From 193545525650a0d960cecf950b97ac05e5028ff2 Mon Sep 17 00:00:00 2001 From: Dimasssss Date: Wed, 18 Mar 2026 18:20:23 +0300 Subject: [PATCH] Update CONFIG_PARAMS.en.md --- docs/CONFIG_PARAMS.en.md | 491 ++++++++++++++++++++------------------- 1 file changed, 248 insertions(+), 243 deletions(-) diff --git a/docs/CONFIG_PARAMS.en.md b/docs/CONFIG_PARAMS.en.md index ed89b3d..90da08a 100644 --- a/docs/CONFIG_PARAMS.en.md +++ b/docs/CONFIG_PARAMS.en.md @@ -8,282 +8,287 @@ This document lists all configuration keys accepted by `config.toml`. ## Top-level keys -| Parameter | Type | Description | -|---|---|---| -| include | `String` (special directive) | Includes another TOML file with `include = "relative/or/absolute/path.toml"`; includes are processed recursively before parsing. | -| show_link | `"*" \| String[]` | Legacy top-level link visibility selector (`"*"` for all users or explicit usernames list). | -| dc_overrides | `Map` | Overrides DC endpoints for non-standard DCs; key is DC id string, value is `ip:port` list. | -| default_dc | `u8` | Default DC index used for unmapped non-standard DCs. | +| Parameter | Type | Default | Constraints / validation | Description | +|---|---|---|---|---| +| include | `String` (special directive) | `null` | — | Includes another TOML file with `include = "relative/or/absolute/path.toml"`; includes are processed recursively before parsing. | +| show_link | `"*" \| String[]` | `[]` (`ShowLink::None`) | — | Legacy top-level link visibility selector (`"*"` for all users or explicit usernames list). | +| dc_overrides | `Map` | `{}` | — | Overrides DC endpoints for non-standard DCs; key is DC id string, value is `ip:port` list. | +| default_dc | `u8 \| null` | `null` (effective fallback: `2` in ME routing) | — | Default DC index used for unmapped non-standard DCs. | ## [general] -| Parameter | Type | Description | -|---|---|---| -| data_path | `String` | Optional runtime data directory path. | -| prefer_ipv6 | `bool` | Prefer IPv6 where applicable in runtime logic. | -| fast_mode | `bool` | Enables fast-path optimizations for traffic processing. | -| use_middle_proxy | `bool` | Enables Middle Proxy mode. | -| proxy_secret_path | `String` | Path to proxy secret binary; can be auto-downloaded if absent. | -| proxy_config_v4_cache_path | `String` | Optional cache path for raw `getProxyConfig` (IPv4) snapshot. | -| proxy_config_v6_cache_path | `String` | Optional cache path for raw `getProxyConfigV6` (IPv6) snapshot. | -| ad_tag | `String` | Global fallback ad tag (32 hex characters). | -| middle_proxy_nat_ip | `IpAddr` | Explicit public IP override for NAT environments. | -| middle_proxy_nat_probe | `bool` | Enables NAT probing for Middle Proxy KDF/public address discovery. | -| middle_proxy_nat_stun | `String` | Deprecated legacy single STUN server for NAT probing. | -| middle_proxy_nat_stun_servers | `String[]` | Deprecated legacy STUN list for NAT probing fallback. | -| stun_nat_probe_concurrency | `usize` | Maximum concurrent STUN probes during NAT detection. | -| middle_proxy_pool_size | `usize` | Target size of active Middle Proxy writer pool. | -| middle_proxy_warm_standby | `usize` | Number of warm standby Middle-End connections. | -| me_init_retry_attempts | `u32` | Startup retries for ME pool initialization (`0` means unlimited). | -| me2dc_fallback | `bool` | Allows fallback from ME mode to direct DC when ME startup fails. | -| me_keepalive_enabled | `bool` | Enables ME keepalive padding frames. | -| me_keepalive_interval_secs | `u64` | Keepalive interval in seconds. | -| me_keepalive_jitter_secs | `u64` | Keepalive jitter in seconds. | -| me_keepalive_payload_random | `bool` | Randomizes keepalive payload bytes instead of zero payload. | -| rpc_proxy_req_every | `u64` | Interval for service `RPC_PROXY_REQ` activity signals (`0` disables). | -| me_writer_cmd_channel_capacity | `usize` | Capacity of per-writer command channel. | -| me_route_channel_capacity | `usize` | Capacity of per-connection ME response route channel. | -| me_c2me_channel_capacity | `usize` | Capacity of per-client command queue (client reader -> ME sender). | -| me_reader_route_data_wait_ms | `u64` | Bounded wait for routing ME DATA to per-connection queue (`0` = no wait). | -| me_d2c_flush_batch_max_frames | `usize` | Max ME->client frames coalesced before flush. | -| me_d2c_flush_batch_max_bytes | `usize` | Max ME->client payload bytes coalesced before flush. | -| me_d2c_flush_batch_max_delay_us | `u64` | Max microsecond wait for coalescing more ME->client frames (`0` disables timed coalescing). | -| me_d2c_ack_flush_immediate | `bool` | Flushes client writer immediately after quick-ack write. | -| direct_relay_copy_buf_c2s_bytes | `usize` | Copy buffer size for client->DC direction in direct relay. | -| direct_relay_copy_buf_s2c_bytes | `usize` | Copy buffer size for DC->client direction in direct relay. | -| crypto_pending_buffer | `usize` | Max pending ciphertext buffer per client writer (bytes). | -| max_client_frame | `usize` | Maximum allowed client MTProto frame size (bytes). | -| desync_all_full | `bool` | Emits full crypto-desync forensic logs for every event. | -| beobachten | `bool` | Enables per-IP forensic observation buckets. | -| beobachten_minutes | `u64` | Retention window (minutes) for per-IP observation buckets. | -| beobachten_flush_secs | `u64` | Snapshot flush interval (seconds) for observation output file. | -| beobachten_file | `String` | Observation snapshot output file path. | -| hardswap | `bool` | Enables hard-swap generation switching for ME pool updates. | -| me_warmup_stagger_enabled | `bool` | Enables staggered warmup for extra ME writers. | -| me_warmup_step_delay_ms | `u64` | Base delay between warmup connections (ms). | -| me_warmup_step_jitter_ms | `u64` | Jitter for warmup delay (ms). | -| me_reconnect_max_concurrent_per_dc | `u32` | Max concurrent reconnect attempts per DC. | -| me_reconnect_backoff_base_ms | `u64` | Base reconnect backoff in ms. | -| me_reconnect_backoff_cap_ms | `u64` | Cap reconnect backoff in ms. | -| me_reconnect_fast_retry_count | `u32` | Number of fast retry attempts before backoff. | -| me_single_endpoint_shadow_writers | `u8` | Additional reserve writers for one-endpoint DC groups. | -| me_single_endpoint_outage_mode_enabled | `bool` | Enables aggressive outage recovery for one-endpoint DC groups. | -| me_single_endpoint_outage_disable_quarantine | `bool` | Ignores endpoint quarantine in one-endpoint outage mode. | -| me_single_endpoint_outage_backoff_min_ms | `u64` | Minimum reconnect backoff in outage mode (ms). | -| me_single_endpoint_outage_backoff_max_ms | `u64` | Maximum reconnect backoff in outage mode (ms). | -| me_single_endpoint_shadow_rotate_every_secs | `u64` | Periodic shadow writer rotation interval (`0` disables). | -| me_floor_mode | `"static" \| "adaptive"` | Writer floor policy mode. | -| me_adaptive_floor_idle_secs | `u64` | Idle time before adaptive floor may reduce one-endpoint target. | -| me_adaptive_floor_min_writers_single_endpoint | `u8` | Minimum adaptive writer target for one-endpoint DC groups. | -| me_adaptive_floor_min_writers_multi_endpoint | `u8` | Minimum adaptive writer target for multi-endpoint DC groups. | -| me_adaptive_floor_recover_grace_secs | `u64` | Grace period to hold static floor after activity. | -| me_adaptive_floor_writers_per_core_total | `u16` | Global writer budget per logical CPU core in adaptive mode. | -| me_adaptive_floor_cpu_cores_override | `u16` | Manual CPU core count override (`0` uses auto-detection). | -| me_adaptive_floor_max_extra_writers_single_per_core | `u16` | Per-core max extra writers above base floor for one-endpoint DCs. | -| me_adaptive_floor_max_extra_writers_multi_per_core | `u16` | Per-core max extra writers above base floor for multi-endpoint DCs. | -| me_adaptive_floor_max_active_writers_per_core | `u16` | Hard cap for active ME writers per logical CPU core. | -| me_adaptive_floor_max_warm_writers_per_core | `u16` | Hard cap for warm ME writers per logical CPU core. | -| me_adaptive_floor_max_active_writers_global | `u32` | Hard global cap for active ME writers. | -| me_adaptive_floor_max_warm_writers_global | `u32` | Hard global cap for warm ME writers. | -| upstream_connect_retry_attempts | `u32` | Connect attempts for selected upstream before error/fallback. | -| upstream_connect_retry_backoff_ms | `u64` | Delay between upstream connect attempts (ms). | -| upstream_connect_budget_ms | `u64` | Total wall-clock budget for one upstream connect request (ms). | -| upstream_unhealthy_fail_threshold | `u32` | Consecutive failed requests before upstream is marked unhealthy. | -| upstream_connect_failfast_hard_errors | `bool` | Skips additional retries for hard non-transient connect errors. | -| stun_iface_mismatch_ignore | `bool` | Ignores STUN/interface mismatch and keeps Middle Proxy mode. | -| unknown_dc_log_path | `String` | File path for unknown-DC request logging (`null` disables file path). | -| unknown_dc_file_log_enabled | `bool` | Enables unknown-DC file logging. | -| log_level | `"debug" \| "verbose" \| "normal" \| "silent"` | Runtime logging verbosity. | -| disable_colors | `bool` | Disables ANSI colors in logs. | -| me_socks_kdf_policy | `"strict" \| "compat"` | SOCKS-bound KDF fallback policy for ME handshake. | -| me_route_backpressure_base_timeout_ms | `u64` | Base backpressure timeout for route-channel send (ms). | -| me_route_backpressure_high_timeout_ms | `u64` | High backpressure timeout when queue occupancy exceeds watermark (ms). | -| me_route_backpressure_high_watermark_pct | `u8` | Queue occupancy threshold (%) for high timeout mode. | -| me_health_interval_ms_unhealthy | `u64` | Health monitor interval while writer coverage is degraded (ms). | -| me_health_interval_ms_healthy | `u64` | Health monitor interval while writer coverage is healthy (ms). | -| me_admission_poll_ms | `u64` | Poll interval for conditional-admission checks (ms). | -| me_warn_rate_limit_ms | `u64` | Cooldown for repetitive ME warning logs (ms). | -| me_route_no_writer_mode | `"async_recovery_failfast" \| "inline_recovery_legacy" \| "hybrid_async_persistent"` | Route behavior when no writer is immediately available. | -| me_route_no_writer_wait_ms | `u64` | Max wait in async-recovery failfast mode (ms). | -| me_route_inline_recovery_attempts | `u32` | Inline recovery attempts in legacy mode. | -| me_route_inline_recovery_wait_ms | `u64` | Max inline recovery wait in legacy mode (ms). | -| fast_mode_min_tls_record | `usize` | Minimum TLS record size when fast-mode coalescing is enabled (`0` disables). | -| update_every | `u64` | Unified interval for config/secret updater tasks. | -| me_reinit_every_secs | `u64` | Periodic ME pool reinitialization interval (seconds). | -| me_hardswap_warmup_delay_min_ms | `u64` | Minimum delay between hardswap warmup connects (ms). | -| me_hardswap_warmup_delay_max_ms | `u64` | Maximum delay between hardswap warmup connects (ms). | -| me_hardswap_warmup_extra_passes | `u8` | Additional warmup passes per hardswap cycle. | -| me_hardswap_warmup_pass_backoff_base_ms | `u64` | Base backoff between hardswap warmup passes (ms). | -| me_config_stable_snapshots | `u8` | Number of identical config snapshots required before apply. | -| me_config_apply_cooldown_secs | `u64` | Cooldown between applied ME map updates (seconds). | -| me_snapshot_require_http_2xx | `bool` | Requires 2xx HTTP responses for applying config snapshots. | -| me_snapshot_reject_empty_map | `bool` | Rejects empty config snapshots. | -| me_snapshot_min_proxy_for_lines | `u32` | Minimum parsed `proxy_for` rows required to accept snapshot. | -| proxy_secret_stable_snapshots | `u8` | Number of identical secret snapshots required before runtime rotation. | -| proxy_secret_rotate_runtime | `bool` | Enables runtime proxy-secret rotation from remote source. | -| me_secret_atomic_snapshot | `bool` | Keeps selector and secret bytes from the same snapshot atomically. | -| proxy_secret_len_max | `usize` | Maximum allowed proxy-secret length (bytes). | -| me_pool_drain_ttl_secs | `u64` | Drain TTL for stale ME writers after endpoint-map changes (seconds). | -| me_pool_drain_threshold | `u64` | Max draining stale writers before batch force-close (`0` disables threshold cleanup). | -| me_bind_stale_mode | `"never" \| "ttl" \| "always"` | Policy for new binds on stale draining writers. | -| me_bind_stale_ttl_secs | `u64` | TTL for stale bind allowance when stale mode is `ttl`. | -| me_pool_min_fresh_ratio | `f32` | Minimum desired-DC fresh coverage ratio before draining stale writers. | -| me_reinit_drain_timeout_secs | `u64` | Force-close timeout for stale writers after endpoint-map changes (`0` disables force-close). | -| proxy_secret_auto_reload_secs | `u64` | Deprecated legacy secret reload interval (fallback when `update_every` is not set). | -| proxy_config_auto_reload_secs | `u64` | Deprecated legacy config reload interval (fallback when `update_every` is not set). | -| me_reinit_singleflight | `bool` | Serializes ME reinit cycles across trigger sources. | -| me_reinit_trigger_channel | `usize` | Trigger queue capacity for reinit scheduler. | -| me_reinit_coalesce_window_ms | `u64` | Trigger coalescing window before starting reinit (ms). | -| me_deterministic_writer_sort | `bool` | Enables deterministic candidate sort for writer binding path. | -| me_writer_pick_mode | `"sorted_rr" \| "p2c"` | Writer selection mode for route bind path. | -| me_writer_pick_sample_size | `u8` | Number of candidates sampled by picker in `p2c` mode. | -| ntp_check | `bool` | Enables NTP drift check at startup. | -| ntp_servers | `String[]` | NTP servers used for drift check. | -| auto_degradation_enabled | `bool` | Enables automatic degradation from ME to direct DC. | -| degradation_min_unavailable_dc_groups | `u8` | Minimum unavailable ME DC groups required before degrading. | +| Parameter | Type | Default | Constraints / validation | Description | +|---|---|---|---|---| +| data_path | `String \| null` | `null` | — | Optional runtime data directory path. | +| prefer_ipv6 | `bool` | `false` | — | Prefer IPv6 where applicable in runtime logic. | +| fast_mode | `bool` | `true` | — | Enables fast-path optimizations for traffic processing. | +| use_middle_proxy | `bool` | `true` | none | Enables ME transport mode; if `false`, runtime falls back to direct DC routing. | +| proxy_secret_path | `String \| null` | `"proxy-secret"` | Path may be `null`. | Path to Telegram infrastructure proxy-secret file used by ME handshake logic. | +| proxy_config_v4_cache_path | `String \| null` | `"cache/proxy-config-v4.txt"` | — | Optional cache path for raw `getProxyConfig` (IPv4) snapshot. | +| proxy_config_v6_cache_path | `String \| null` | `"cache/proxy-config-v6.txt"` | — | Optional cache path for raw `getProxyConfigV6` (IPv6) snapshot. | +| ad_tag | `String \| null` | `null` | — | Global fallback ad tag (32 hex characters). | +| middle_proxy_nat_ip | `IpAddr \| null` | `null` | Must be a valid IP when set. | Manual public NAT IP override used as ME address material when set. | +| middle_proxy_nat_probe | `bool` | `true` | Auto-forced to `true` when `use_middle_proxy = true`. | Enables ME NAT probing; runtime may force it on when ME mode is active. | +| middle_proxy_nat_stun | `String \| null` | `null` | Deprecated. Use `network.stun_servers`. | Deprecated legacy single STUN server for NAT probing. | +| middle_proxy_nat_stun_servers | `String[]` | `[]` | Deprecated. Use `network.stun_servers`. | Deprecated legacy STUN list for NAT probing fallback. | +| stun_nat_probe_concurrency | `usize` | `8` | Must be `> 0`. | Maximum number of parallel STUN probes during NAT/public endpoint discovery. | +| middle_proxy_pool_size | `usize` | `8` | none | Target size of active ME writer pool. | +| middle_proxy_warm_standby | `usize` | `16` | none | Reserved compatibility field in current runtime revision. | +| me_init_retry_attempts | `u32` | `0` | `0..=1_000_000`. | Startup retries for ME pool initialization (`0` means unlimited). | +| me2dc_fallback | `bool` | `true` | — | Allows fallback from ME mode to direct DC when ME startup fails. | +| me_keepalive_enabled | `bool` | `true` | none | Enables periodic ME keepalive/ping traffic. | +| me_keepalive_interval_secs | `u64` | `8` | none | Base ME keepalive interval in seconds. | +| me_keepalive_jitter_secs | `u64` | `2` | none | Keepalive jitter in seconds to reduce synchronized bursts. | +| me_keepalive_payload_random | `bool` | `true` | none | Randomizes keepalive payload bytes instead of fixed zero payload. | +| rpc_proxy_req_every | `u64` | `0` | `0` or `10..=300`. | Interval for service `RPC_PROXY_REQ` activity signals (`0` disables). | +| me_writer_cmd_channel_capacity | `usize` | `4096` | Must be `> 0`. | Capacity of per-writer command channel. | +| me_route_channel_capacity | `usize` | `768` | Must be `> 0`. | Capacity of per-connection ME response route channel. | +| me_c2me_channel_capacity | `usize` | `1024` | Must be `> 0`. | Capacity of per-client command queue (client reader -> ME sender). | +| me_reader_route_data_wait_ms | `u64` | `2` | `0..=20`. | Bounded wait for routing ME DATA to per-connection queue (`0` = no wait). | +| me_d2c_flush_batch_max_frames | `usize` | `32` | `1..=512`. | Max ME->client frames coalesced before flush. | +| me_d2c_flush_batch_max_bytes | `usize` | `131072` | `4096..=2_097_152`. | Max ME->client payload bytes coalesced before flush. | +| me_d2c_flush_batch_max_delay_us | `u64` | `500` | `0..=5000`. | Max microsecond wait for coalescing more ME->client frames (`0` disables timed coalescing). | +| me_d2c_ack_flush_immediate | `bool` | `true` | — | Flushes client writer immediately after quick-ack write. | +| direct_relay_copy_buf_c2s_bytes | `usize` | `65536` | `4096..=1_048_576`. | Copy buffer size for client->DC direction in direct relay. | +| direct_relay_copy_buf_s2c_bytes | `usize` | `262144` | `8192..=2_097_152`. | Copy buffer size for DC->client direction in direct relay. | +| crypto_pending_buffer | `usize` | `262144` | — | Max pending ciphertext buffer per client writer (bytes). | +| max_client_frame | `usize` | `16777216` | — | Maximum allowed client MTProto frame size (bytes). | +| desync_all_full | `bool` | `false` | — | Emits full crypto-desync forensic logs for every event. | +| beobachten | `bool` | `true` | — | Enables per-IP forensic observation buckets. | +| beobachten_minutes | `u64` | `10` | Must be `> 0`. | Retention window (minutes) for per-IP observation buckets. | +| beobachten_flush_secs | `u64` | `15` | Must be `> 0`. | Snapshot flush interval (seconds) for observation output file. | +| beobachten_file | `String` | `"cache/beobachten.txt"` | — | Observation snapshot output file path. | +| hardswap | `bool` | `true` | none | Enables generation-based ME hardswap strategy. | +| me_warmup_stagger_enabled | `bool` | `true` | none | Staggers extra ME warmup dials to avoid connection spikes. | +| me_warmup_step_delay_ms | `u64` | `500` | none | Base delay in milliseconds between warmup dial steps. | +| me_warmup_step_jitter_ms | `u64` | `300` | none | Additional random delay in milliseconds for warmup steps. | +| me_reconnect_max_concurrent_per_dc | `u32` | `8` | none | Limits concurrent reconnect workers per DC during health recovery. | +| me_reconnect_backoff_base_ms | `u64` | `500` | none | Initial reconnect backoff in milliseconds. | +| me_reconnect_backoff_cap_ms | `u64` | `30000` | none | Maximum reconnect backoff cap in milliseconds. | +| me_reconnect_fast_retry_count | `u32` | `16` | none | Immediate retry budget before long backoff behavior applies. | +| me_single_endpoint_shadow_writers | `u8` | `2` | `0..=32`. | Additional reserve writers for one-endpoint DC groups. | +| me_single_endpoint_outage_mode_enabled | `bool` | `true` | — | Enables aggressive outage recovery for one-endpoint DC groups. | +| me_single_endpoint_outage_disable_quarantine | `bool` | `true` | — | Ignores endpoint quarantine in one-endpoint outage mode. | +| me_single_endpoint_outage_backoff_min_ms | `u64` | `250` | Must be `> 0`; also `<= me_single_endpoint_outage_backoff_max_ms`. | Minimum reconnect backoff in outage mode (ms). | +| me_single_endpoint_outage_backoff_max_ms | `u64` | `3000` | Must be `> 0`; also `>= me_single_endpoint_outage_backoff_min_ms`. | Maximum reconnect backoff in outage mode (ms). | +| me_single_endpoint_shadow_rotate_every_secs | `u64` | `900` | — | Periodic shadow writer rotation interval (`0` disables). | +| me_floor_mode | `"static" \| "adaptive"` | `"adaptive"` | — | Writer floor policy mode. | +| me_adaptive_floor_idle_secs | `u64` | `90` | — | Idle time before adaptive floor may reduce one-endpoint target. | +| me_adaptive_floor_min_writers_single_endpoint | `u8` | `1` | `1..=32`. | Minimum adaptive writer target for one-endpoint DC groups. | +| me_adaptive_floor_min_writers_multi_endpoint | `u8` | `1` | `1..=32`. | Minimum adaptive writer target for multi-endpoint DC groups. | +| me_adaptive_floor_recover_grace_secs | `u64` | `180` | — | Grace period to hold static floor after activity. | +| me_adaptive_floor_writers_per_core_total | `u16` | `48` | Must be `> 0`. | Global writer budget per logical CPU core in adaptive mode. | +| me_adaptive_floor_cpu_cores_override | `u16` | `0` | — | Manual CPU core count override (`0` uses auto-detection). | +| me_adaptive_floor_max_extra_writers_single_per_core | `u16` | `1` | — | Per-core max extra writers above base floor for one-endpoint DCs. | +| me_adaptive_floor_max_extra_writers_multi_per_core | `u16` | `2` | — | Per-core max extra writers above base floor for multi-endpoint DCs. | +| me_adaptive_floor_max_active_writers_per_core | `u16` | `64` | Must be `> 0`. | Hard cap for active ME writers per logical CPU core. | +| me_adaptive_floor_max_warm_writers_per_core | `u16` | `64` | Must be `> 0`. | Hard cap for warm ME writers per logical CPU core. | +| me_adaptive_floor_max_active_writers_global | `u32` | `256` | Must be `> 0`. | Hard global cap for active ME writers. | +| me_adaptive_floor_max_warm_writers_global | `u32` | `256` | Must be `> 0`. | Hard global cap for warm ME writers. | +| upstream_connect_retry_attempts | `u32` | `2` | Must be `> 0`. | Connect attempts for selected upstream before error/fallback. | +| upstream_connect_retry_backoff_ms | `u64` | `100` | — | Delay between upstream connect attempts (ms). | +| upstream_connect_budget_ms | `u64` | `3000` | Must be `> 0`. | Total wall-clock budget for one upstream connect request (ms). | +| upstream_unhealthy_fail_threshold | `u32` | `5` | Must be `> 0`. | Consecutive failed requests before upstream is marked unhealthy. | +| upstream_connect_failfast_hard_errors | `bool` | `false` | — | Skips additional retries for hard non-transient connect errors. | +| stun_iface_mismatch_ignore | `bool` | `false` | none | Reserved compatibility flag in current runtime revision. | +| unknown_dc_log_path | `String \| null` | `"unknown-dc.txt"` | — | File path for unknown-DC request logging (`null` disables file path). | +| unknown_dc_file_log_enabled | `bool` | `false` | — | Enables unknown-DC file logging. | +| log_level | `"debug" \| "verbose" \| "normal" \| "silent"` | `"normal"` | — | Runtime logging verbosity. | +| disable_colors | `bool` | `false` | — | Disables ANSI colors in logs. | +| me_socks_kdf_policy | `"strict" \| "compat"` | `"strict"` | — | SOCKS-bound KDF fallback policy for ME handshake. | +| me_route_backpressure_base_timeout_ms | `u64` | `25` | Must be `> 0`. | Base backpressure timeout for route-channel send (ms). | +| me_route_backpressure_high_timeout_ms | `u64` | `120` | Must be `>= me_route_backpressure_base_timeout_ms`. | High backpressure timeout when queue occupancy exceeds watermark (ms). | +| me_route_backpressure_high_watermark_pct | `u8` | `80` | `1..=100`. | Queue occupancy threshold (%) for high timeout mode. | +| me_health_interval_ms_unhealthy | `u64` | `1000` | Must be `> 0`. | Health monitor interval while writer coverage is degraded (ms). | +| me_health_interval_ms_healthy | `u64` | `3000` | Must be `> 0`. | Health monitor interval while writer coverage is healthy (ms). | +| me_admission_poll_ms | `u64` | `1000` | Must be `> 0`. | Poll interval for conditional-admission checks (ms). | +| me_warn_rate_limit_ms | `u64` | `5000` | Must be `> 0`. | Cooldown for repetitive ME warning logs (ms). | +| me_route_no_writer_mode | `"async_recovery_failfast" \| "inline_recovery_legacy" \| "hybrid_async_persistent"` | `"hybrid_async_persistent"` | — | Route behavior when no writer is immediately available. | +| me_route_no_writer_wait_ms | `u64` | `250` | `10..=5000`. | Max wait in async-recovery failfast mode (ms). | +| me_route_inline_recovery_attempts | `u32` | `3` | Must be `> 0`. | Inline recovery attempts in legacy mode. | +| me_route_inline_recovery_wait_ms | `u64` | `3000` | `10..=30000`. | Max inline recovery wait in legacy mode (ms). | +| fast_mode_min_tls_record | `usize` | `0` | — | Minimum TLS record size when fast-mode coalescing is enabled (`0` disables). | +| update_every | `u64 \| null` | `300` | If set: must be `> 0`; if `null`: legacy fallback path is used. | Unified refresh interval for ME config and proxy-secret updater tasks. | +| me_reinit_every_secs | `u64` | `900` | Must be `> 0`. | Periodic interval for zero-downtime ME reinit cycle. | +| me_hardswap_warmup_delay_min_ms | `u64` | `1000` | Must be `<= me_hardswap_warmup_delay_max_ms`. | Lower bound for hardswap warmup dial spacing. | +| me_hardswap_warmup_delay_max_ms | `u64` | `2000` | Must be `> 0`. | Upper bound for hardswap warmup dial spacing. | +| me_hardswap_warmup_extra_passes | `u8` | `3` | Must be within `[0, 10]`. | Additional warmup passes after the base pass in one hardswap cycle. | +| me_hardswap_warmup_pass_backoff_base_ms | `u64` | `500` | Must be `> 0`. | Base backoff between extra hardswap warmup passes. | +| me_config_stable_snapshots | `u8` | `2` | Must be `> 0`. | Number of identical ME config snapshots required before apply. | +| me_config_apply_cooldown_secs | `u64` | `300` | none | Cooldown between applied ME endpoint-map updates. | +| me_snapshot_require_http_2xx | `bool` | `true` | — | Requires 2xx HTTP responses for applying config snapshots. | +| me_snapshot_reject_empty_map | `bool` | `true` | — | Rejects empty config snapshots. | +| me_snapshot_min_proxy_for_lines | `u32` | `1` | Must be `> 0`. | Minimum parsed `proxy_for` rows required to accept snapshot. | +| proxy_secret_stable_snapshots | `u8` | `2` | Must be `> 0`. | Number of identical proxy-secret snapshots required before rotation. | +| proxy_secret_rotate_runtime | `bool` | `true` | none | Enables runtime proxy-secret rotation from updater snapshots. | +| me_secret_atomic_snapshot | `bool` | `true` | — | Keeps selector and secret bytes from the same snapshot atomically. | +| proxy_secret_len_max | `usize` | `256` | Must be within `[32, 4096]`. | Upper length limit for accepted proxy-secret bytes. | +| me_pool_drain_ttl_secs | `u64` | `90` | none | Time window where stale writers remain fallback-eligible after map change. | +| me_pool_drain_threshold | `u64` | `128` | — | Max draining stale writers before batch force-close (`0` disables threshold cleanup). | +| me_pool_drain_soft_evict_enabled | `bool` | `true` | — | Enables gradual soft-eviction of stale writers during drain/reinit instead of immediate hard close. | +| me_pool_drain_soft_evict_grace_secs | `u64` | `30` | `0..=3600`. | Grace period before stale writers become soft-evict candidates. | +| me_pool_drain_soft_evict_per_writer | `u8` | `1` | `1..=16`. | Maximum stale routes soft-evicted per writer in one eviction pass. | +| me_pool_drain_soft_evict_budget_per_core | `u16` | `8` | `1..=64`. | Per-core budget limiting aggregate soft-eviction work per pass. | +| me_pool_drain_soft_evict_cooldown_ms | `u64` | `5000` | Must be `> 0`. | Cooldown between consecutive soft-eviction passes (ms). | +| me_bind_stale_mode | `"never" \| "ttl" \| "always"` | `"ttl"` | — | Policy for new binds on stale draining writers. | +| me_bind_stale_ttl_secs | `u64` | `90` | — | TTL for stale bind allowance when stale mode is `ttl`. | +| me_pool_min_fresh_ratio | `f32` | `0.8` | Must be within `[0.0, 1.0]`. | Minimum fresh desired-DC coverage ratio before stale writers are drained. | +| me_reinit_drain_timeout_secs | `u64` | `120` | `0` disables force-close; if `> 0` and `< me_pool_drain_ttl_secs`, runtime bumps it to TTL. | Force-close timeout for draining stale writers (`0` keeps indefinite draining). | +| proxy_secret_auto_reload_secs | `u64` | `3600` | Deprecated. Use `general.update_every`. | Deprecated legacy secret reload interval (fallback when `update_every` is not set). | +| proxy_config_auto_reload_secs | `u64` | `3600` | Deprecated. Use `general.update_every`. | Deprecated legacy config reload interval (fallback when `update_every` is not set). | +| me_reinit_singleflight | `bool` | `true` | — | Serializes ME reinit cycles across trigger sources. | +| me_reinit_trigger_channel | `usize` | `64` | Must be `> 0`. | Trigger queue capacity for reinit scheduler. | +| me_reinit_coalesce_window_ms | `u64` | `200` | — | Trigger coalescing window before starting reinit (ms). | +| me_deterministic_writer_sort | `bool` | `true` | — | Enables deterministic candidate sort for writer binding path. | +| me_writer_pick_mode | `"sorted_rr" \| "p2c"` | `"p2c"` | — | Writer selection mode for route bind path. | +| me_writer_pick_sample_size | `u8` | `3` | `2..=4`. | Number of candidates sampled by picker in `p2c` mode. | +| ntp_check | `bool` | `true` | — | Enables NTP drift check at startup. | +| ntp_servers | `String[]` | `["pool.ntp.org"]` | — | NTP servers used for drift check. | +| auto_degradation_enabled | `bool` | `true` | none | Reserved compatibility flag in current runtime revision. | +| degradation_min_unavailable_dc_groups | `u8` | `2` | none | Reserved compatibility threshold in current runtime revision. | ## [general.modes] -| Parameter | Type | Description | -|---|---|---| -| classic | `bool` | Enables classic MTProxy mode. | -| secure | `bool` | Enables secure mode. | -| tls | `bool` | Enables TLS mode. | +| Parameter | Type | Default | Constraints / validation | Description | +|---|---|---|---|---| +| classic | `bool` | `false` | — | Enables classic MTProxy mode. | +| secure | `bool` | `false` | — | Enables secure mode. | +| tls | `bool` | `true` | — | Enables TLS mode. | ## [general.links] -| Parameter | Type | Description | -|---|---|---| -| show | `"*" \| String[]` | Selects users whose tg:// links are shown at startup. | -| public_host | `String` | Public hostname/IP override for generated tg:// links. | -| public_port | `u16` | Public port override for generated tg:// links. | +| Parameter | Type | Default | Constraints / validation | Description | +|---|---|---|---|---| +| show | `"*" \| String[]` | `"*"` | — | Selects users whose tg:// links are shown at startup. | +| public_host | `String \| null` | `null` | — | Public hostname/IP override for generated tg:// links. | +| public_port | `u16 \| null` | `null` | — | Public port override for generated tg:// links. | ## [general.telemetry] -| Parameter | Type | Description | -|---|---|---| -| core_enabled | `bool` | Enables core hot-path telemetry counters. | -| user_enabled | `bool` | Enables per-user telemetry counters. | -| me_level | `"silent" \| "normal" \| "debug"` | Middle-End telemetry verbosity level. | +| Parameter | Type | Default | Constraints / validation | Description | +|---|---|---|---|---| +| core_enabled | `bool` | `true` | — | Enables core hot-path telemetry counters. | +| user_enabled | `bool` | `true` | — | Enables per-user telemetry counters. | +| me_level | `"silent" \| "normal" \| "debug"` | `"normal"` | — | Middle-End telemetry verbosity level. | ## [network] -| Parameter | Type | Description | -|---|---|---| -| ipv4 | `bool` | Enables IPv4 networking. | -| ipv6 | `bool` | Enables/disables IPv6 (`null` = auto-detect availability). | -| prefer | `u8` | Preferred IP family for selection (`4` or `6`). | -| multipath | `bool` | Enables multipath behavior where supported. | -| stun_use | `bool` | Global switch for STUN probing. | -| stun_servers | `String[]` | STUN server list for public IP detection. | -| stun_tcp_fallback | `bool` | Enables TCP STUN fallback when UDP STUN is blocked. | -| http_ip_detect_urls | `String[]` | HTTP endpoints used as fallback public IP detectors. | -| cache_public_ip_path | `String` | File path for caching detected public IP. | -| dns_overrides | `String[]` | Runtime DNS overrides in `host:port:ip` format. | +| Parameter | Type | Default | Constraints / validation | Description | +|---|---|---|---|---| +| ipv4 | `bool` | `true` | — | Enables IPv4 networking. | +| ipv6 | `bool` | `false` | — | Enables/disables IPv6 when set | +| prefer | `u8` | `4` | Must be `4` or `6`. | Preferred IP family for selection (`4` or `6`). | +| multipath | `bool` | `false` | — | Enables multipath behavior where supported. | +| stun_use | `bool` | `true` | none | Global STUN switch; when `false`, STUN probing path is disabled. | +| stun_servers | `String[]` | Built-in STUN list (13 hosts) | Deduplicated; empty values are removed. | Primary STUN server list for NAT/public endpoint discovery. | +| stun_tcp_fallback | `bool` | `true` | none | Enables TCP fallback for STUN when UDP path is blocked. | +| http_ip_detect_urls | `String[]` | `["https://ifconfig.me/ip", "https://api.ipify.org"]` | none | HTTP fallback endpoints for public IP detection when STUN is unavailable. | +| cache_public_ip_path | `String` | `"cache/public_ip.txt"` | — | File path for caching detected public IP. | +| dns_overrides | `String[]` | `[]` | Must match `host:port:ip`; IPv6 must be bracketed. | Runtime DNS overrides in `host:port:ip` format. | ## [server] -| Parameter | Type | Description | -|---|---|---| -| port | `u16` | Main proxy listen port. | -| listen_addr_ipv4 | `String` | IPv4 bind address for TCP listener. | -| listen_addr_ipv6 | `String` | IPv6 bind address for TCP listener. | -| listen_unix_sock | `String` | Unix socket path for listener. | -| listen_unix_sock_perm | `String` | Unix socket permissions in octal string (e.g., `"0666"`). | -| listen_tcp | `bool` | Explicit TCP listener enable/disable override. | -| proxy_protocol | `bool` | Enables HAProxy PROXY protocol parsing on incoming client connections. | -| proxy_protocol_header_timeout_ms | `u64` | Timeout for PROXY protocol header read/parse (ms). | -| metrics_port | `u16` | Metrics endpoint port (enables metrics listener). | -| metrics_listen | `String` | Full metrics bind address (`IP:PORT`), overrides `metrics_port`. | -| metrics_whitelist | `IpNetwork[]` | CIDR whitelist for metrics endpoint access. | -| max_connections | `u32` | Max concurrent client connections (`0` = unlimited). | +| Parameter | Type | Default | Constraints / validation | Description | +|---|---|---|---|---| +| port | `u16` | `443` | — | Main proxy listen port. | +| listen_addr_ipv4 | `String \| null` | `"0.0.0.0"` | — | IPv4 bind address for TCP listener. | +| listen_addr_ipv6 | `String \| null` | `"::"` | — | IPv6 bind address for TCP listener. | +| listen_unix_sock | `String \| null` | `null` | — | Unix socket path for listener. | +| listen_unix_sock_perm | `String \| null` | `null` | — | Unix socket permissions in octal string (e.g., `"0666"`). | +| listen_tcp | `bool \| null` | `null` (auto) | — | Explicit TCP listener enable/disable override. | +| proxy_protocol | `bool` | `false` | — | Enables HAProxy PROXY protocol parsing on incoming client connections. | +| proxy_protocol_header_timeout_ms | `u64` | `500` | Must be `> 0`. | Timeout for PROXY protocol header read/parse (ms). | +| metrics_port | `u16 \| null` | `null` | — | Metrics endpoint port (enables metrics listener). | +| metrics_listen | `String \| null` | `null` | — | Full metrics bind address (`IP:PORT`), overrides `metrics_port`. | +| metrics_whitelist | `IpNetwork[]` | `["127.0.0.1/32", "::1/128"]` | — | CIDR whitelist for metrics endpoint access. | +| max_connections | `u32` | `10000` | — | Max concurrent client connections (`0` = unlimited). | ## [server.api] -| Parameter | Type | Description | -|---|---|---| -| enabled | `bool` | Enables control-plane REST API. | -| listen | `String` | API bind address in `IP:PORT` format. | -| whitelist | `IpNetwork[]` | CIDR whitelist allowed to access API. | -| auth_header | `String` | Exact expected `Authorization` header value (empty = disabled). | -| request_body_limit_bytes | `usize` | Maximum accepted HTTP request body size. | -| minimal_runtime_enabled | `bool` | Enables minimal runtime snapshots endpoint logic. | -| minimal_runtime_cache_ttl_ms | `u64` | Cache TTL for minimal runtime snapshots (ms; `0` disables cache). | -| runtime_edge_enabled | `bool` | Enables runtime edge endpoints. | -| runtime_edge_cache_ttl_ms | `u64` | Cache TTL for runtime edge aggregation payloads (ms). | -| runtime_edge_top_n | `usize` | Top-N size for edge connection leaderboard. | -| runtime_edge_events_capacity | `usize` | Ring-buffer capacity for runtime edge events. | -| read_only | `bool` | Rejects mutating API endpoints when enabled. | +| Parameter | Type | Default | Constraints / validation | Description | +|---|---|---|---|---| +| enabled | `bool` | `true` | — | Enables control-plane REST API. | +| listen | `String` | `"0.0.0.0:9091"` | Must be valid `IP:PORT`. | API bind address in `IP:PORT` format. | +| whitelist | `IpNetwork[]` | `["127.0.0.0/8"]` | — | CIDR whitelist allowed to access API. | +| auth_header | `String` | `""` | — | Exact expected `Authorization` header value (empty = disabled). | +| request_body_limit_bytes | `usize` | `65536` | Must be `> 0`. | Maximum accepted HTTP request body size. | +| minimal_runtime_enabled | `bool` | `true` | — | Enables minimal runtime snapshots endpoint logic. | +| minimal_runtime_cache_ttl_ms | `u64` | `1000` | `0..=60000`. | Cache TTL for minimal runtime snapshots (ms; `0` disables cache). | +| runtime_edge_enabled | `bool` | `false` | — | Enables runtime edge endpoints. | +| runtime_edge_cache_ttl_ms | `u64` | `1000` | `0..=60000`. | Cache TTL for runtime edge aggregation payloads (ms). | +| runtime_edge_top_n | `usize` | `10` | `1..=1000`. | Top-N size for edge connection leaderboard. | +| runtime_edge_events_capacity | `usize` | `256` | `16..=4096`. | Ring-buffer capacity for runtime edge events. | +| read_only | `bool` | `false` | — | Rejects mutating API endpoints when enabled. | ## [[server.listeners]] -| Parameter | Type | Description | -|---|---|---| -| ip | `IpAddr` | Listener bind IP. | -| announce | `String` | Public IP/domain announced in proxy links (priority over `announce_ip`). | -| announce_ip | `IpAddr` | Deprecated legacy announce IP (migrated to `announce` if needed). | -| proxy_protocol | `bool` | Per-listener override for PROXY protocol enable flag. | -| reuse_allow | `bool` | Enables `SO_REUSEPORT` for multi-instance bind sharing. | +| Parameter | Type | Default | Constraints / validation | Description | +|---|---|---|---|---| +| ip | `IpAddr` | — | — | Listener bind IP. | +| announce | `String \| null` | — | — | Public IP/domain announced in proxy links (priority over `announce_ip`). | +| announce_ip | `IpAddr \| null` | — | — | Deprecated legacy announce IP (migrated to `announce` if needed). | +| proxy_protocol | `bool \| null` | `null` | — | Per-listener override for PROXY protocol enable flag. | +| reuse_allow | `bool` | `false` | — | Enables `SO_REUSEPORT` for multi-instance bind sharing. | ## [timeouts] -| Parameter | Type | Description | -|---|---|---| -| client_handshake | `u64` | Client handshake timeout. | -| tg_connect | `u64` | Upstream Telegram connect timeout. | -| client_keepalive | `u64` | Client keepalive timeout. | -| client_ack | `u64` | Client ACK timeout. | -| me_one_retry | `u8` | Quick ME reconnect attempts for single-address DC. | -| me_one_timeout_ms | `u64` | Timeout per quick attempt for single-address DC (ms). | +| Parameter | Type | Default | Constraints / validation | Description | +|---|---|---|---|---| +| client_handshake | `u64` | `30` | — | Client handshake timeout. | +| tg_connect | `u64` | `10` | — | Upstream Telegram connect timeout. | +| client_keepalive | `u64` | `15` | — | Client keepalive timeout. | +| client_ack | `u64` | `90` | — | Client ACK timeout. | +| me_one_retry | `u8` | `12` | none | Fast reconnect attempts budget for single-endpoint DC scenarios. | +| me_one_timeout_ms | `u64` | `1200` | none | Timeout in milliseconds for each quick single-endpoint reconnect attempt. | ## [censorship] -| Parameter | Type | Description | -|---|---|---| -| tls_domain | `String` | Primary TLS domain used in fake TLS handshake profile. | -| tls_domains | `String[]` | Additional TLS domains for generating multiple links. | -| mask | `bool` | Enables masking/fronting relay mode. | -| mask_host | `String` | Upstream mask host for TLS fronting relay. | -| mask_port | `u16` | Upstream mask port for TLS fronting relay. | -| mask_unix_sock | `String` | Unix socket path for mask backend instead of TCP host/port. | -| fake_cert_len | `usize` | Length of synthetic certificate payload when emulation data is unavailable. | -| tls_emulation | `bool` | Enables certificate/TLS behavior emulation from cached real fronts. | -| tls_front_dir | `String` | Directory path for TLS front cache storage. | -| server_hello_delay_min_ms | `u64` | Minimum server_hello delay for anti-fingerprint behavior (ms). | -| server_hello_delay_max_ms | `u64` | Maximum server_hello delay for anti-fingerprint behavior (ms). | -| tls_new_session_tickets | `u8` | Number of `NewSessionTicket` messages to emit after handshake. | -| tls_full_cert_ttl_secs | `u64` | TTL for sending full cert payload per (domain, client IP) tuple. | -| alpn_enforce | `bool` | Enforces ALPN echo behavior based on client preference. | -| mask_proxy_protocol | `u8` | PROXY protocol mode for mask backend (`0` disabled, `1` v1, `2` v2). | +| Parameter | Type | Default | Constraints / validation | Description | +|---|---|---|---|---| +| tls_domain | `String` | `"petrovich.ru"` | — | Primary TLS domain used in fake TLS handshake profile. | +| tls_domains | `String[]` | `[]` | — | Additional TLS domains for generating multiple links. | +| mask | `bool` | `true` | — | Enables masking/fronting relay mode. | +| mask_host | `String \| null` | `null` | — | Upstream mask host for TLS fronting relay. | +| mask_port | `u16` | `443` | — | Upstream mask port for TLS fronting relay. | +| mask_unix_sock | `String \| null` | `null` | — | Unix socket path for mask backend instead of TCP host/port. | +| fake_cert_len | `usize` | `2048` | — | Length of synthetic certificate payload when emulation data is unavailable. | +| tls_emulation | `bool` | `true` | — | Enables certificate/TLS behavior emulation from cached real fronts. | +| tls_front_dir | `String` | `"tlsfront"` | — | Directory path for TLS front cache storage. | +| server_hello_delay_min_ms | `u64` | `0` | — | Minimum server_hello delay for anti-fingerprint behavior (ms). | +| server_hello_delay_max_ms | `u64` | `0` | — | Maximum server_hello delay for anti-fingerprint behavior (ms). | +| tls_new_session_tickets | `u8` | `0` | — | Number of `NewSessionTicket` messages to emit after handshake. | +| tls_full_cert_ttl_secs | `u64` | `90` | — | TTL for sending full cert payload per (domain, client IP) tuple. | +| alpn_enforce | `bool` | `true` | — | Enforces ALPN echo behavior based on client preference. | +| mask_proxy_protocol | `u8` | `0` | — | PROXY protocol mode for mask backend (`0` disabled, `1` v1, `2` v2). | ## [access] -| Parameter | Type | Description | -|---|---|---| -| users | `Map` | Username -> 32-hex secret mapping. | -| user_ad_tags | `Map` | Per-user ad tags (32 hex chars). | -| user_max_tcp_conns | `Map` | Per-user maximum concurrent TCP connections. | -| user_expirations | `Map>` | Per-user account expiration timestamps. | -| user_data_quota | `Map` | Per-user data quota limits. | -| user_max_unique_ips | `Map` | Per-user unique source IP limits. | -| user_max_unique_ips_global_each | `usize` | Global fallback per-user unique IP limit when no per-user override exists. | -| user_max_unique_ips_mode | `"active_window" \| "time_window" \| "combined"` | Unique source IP limit accounting mode. | -| user_max_unique_ips_window_secs | `u64` | Recent-window size for unique IP accounting (seconds). | -| replay_check_len | `usize` | Replay check storage length. | -| replay_window_secs | `u64` | Replay protection time window in seconds. | -| ignore_time_skew | `bool` | Ignores client/server timestamp skew in replay validation. | +| Parameter | Type | Default | Constraints / validation | TOML shape example | Description | +|---|---|---|---|---|---| +| users | `Map` | `{"default": "000…000"}` | Secret must be 32 hex characters. | `[access.users]`
`user = "32-hex secret"`
`user2 = "32-hex secret"` | User credentials map used for client authentication. | +| user_ad_tags | `Map` | `{}` | Every value must be exactly 32 hex characters. | `[access.user_ad_tags]`
`user = "32-hex ad_tag"` | Per-user ad tags used as override over `general.ad_tag`. | +| user_max_tcp_conns | `Map` | `{}` | — | `[access.user_max_tcp_conns]`
`user = 500` | Per-user maximum concurrent TCP connections. | +| user_expirations | `Map>` | `{}` | Timestamp must be valid RFC3339/ISO-8601 datetime. | `[access.user_expirations]`
`user = "2026-12-31T23:59:59Z"` | Per-user account expiration timestamps. | +| user_data_quota | `Map` | `{}` | — | `[access.user_data_quota]`
`user = 1073741824` | Per-user traffic quota in bytes. | +| user_max_unique_ips | `Map` | `{}` | — | `[access.user_max_unique_ips]`
`user = 16` | Per-user unique source IP limits. | +| user_max_unique_ips_global_each | `usize` | `0` | — | `user_max_unique_ips_global_each = 0` | Global fallback used when `[access.user_max_unique_ips]` has no per-user override. | +| user_max_unique_ips_mode | `"active_window" \| "time_window" \| "combined"` | `"active_window"` | — | `user_max_unique_ips_mode = "active_window"` | Unique source IP limit accounting mode. | +| user_max_unique_ips_window_secs | `u64` | `30` | Must be `> 0`. | `user_max_unique_ips_window_secs = 30` | Window size (seconds) used by unique-IP accounting modes that use time windows. | +| replay_check_len | `usize` | `65536` | — | `replay_check_len = 65536` | Replay-protection storage length. | +| replay_window_secs | `u64` | `1800` | — | `replay_window_secs = 1800` | Replay-protection window in seconds. | +| ignore_time_skew | `bool` | `false` | — | `ignore_time_skew = false` | Disables client/server timestamp skew checks in replay validation when enabled. | ## [[upstreams]] -| Parameter | Type | Description | -|---|---|---| -| type | `"direct" \| "socks4" \| "socks5"` | Upstream transport type selector. | -| weight | `u16` | Weighted selection coefficient for this upstream. | -| enabled | `bool` | Enables/disables this upstream entry. | -| scopes | `String` | Comma-separated scope tags for routing. | -| interface | `String` | Optional outgoing interface name (`direct`, `socks4`, `socks5`). | -| bind_addresses | `String[]` | Optional source bind addresses for `direct` upstream. | -| address | `String` | Upstream proxy address (`host:port`) for SOCKS upstreams. | -| user_id | `String` | SOCKS4 user ID (only for `type = "socks4"`). | -| username | `String` | SOCKS5 username (only for `type = "socks5"`). | -| password | `String` | SOCKS5 password (only for `type = "socks5"`). | +| Parameter | Type | Default | Constraints / validation | Description | +|---|---|---|---|---| +| type | `"direct" \| "socks4" \| "socks5"` | — | Required field. | Upstream transport type selector. | +| weight | `u16` | `1` | none | Base weight used by weighted-random upstream selection. | +| enabled | `bool` | `true` | none | Disabled entries are excluded from upstream selection at runtime. | +| scopes | `String` | `""` | none | Comma-separated scope tags used for request-level upstream filtering. | +| interface | `String \| null` | `null` | Optional; type-specific runtime rules apply. | Optional outbound interface/local bind hint (supported with type-specific rules). | +| bind_addresses | `String[] \| null` | `null` | Applies to `type = "direct"`. | Optional explicit local source bind addresses for `type = "direct"`. | +| address | `String` | — | Required for `type = "socks4"` and `type = "socks5"`. | SOCKS server endpoint (`host:port` or `ip:port`) for SOCKS upstream types. | +| user_id | `String \| null` | `null` | Only for `type = "socks4"`. | SOCKS4 CONNECT user ID (`type = "socks4"` only). | +| username | `String \| null` | `null` | Only for `type = "socks5"`. | SOCKS5 username (`type = "socks5"` only). | +| password | `String \| null` | `null` | Only for `type = "socks5"`. | SOCKS5 password (`type = "socks5"` only). |