From 9908e04e04d993caf97eb68197fcb5c2447ebbba Mon Sep 17 00:00:00 2001
From: nikoano <nickelodeona.k@ya.ru>
Date: Sat, 5 Sep 2026 17:03:34 +0300
Subject: [PATCH] fix(install): probe only TCP when validating the target port

---
 install.sh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/install.sh b/install.sh
index 955c73d..487e108 100644
--- a/install.sh
+++ b/install.sh
@@ -447,9 +447,9 @@ check_port_availability() {
     port_info=""
 
     if command -v ss >/dev/null 2>&1; then
-        port_info=$($SUDO ss -tulnp 2>/dev/null | grep -E ":${SERVER_PORT}([[:space:]]|$)" || true)
+        port_info=$($SUDO ss -tlnp 2>/dev/null | grep -E ":${SERVER_PORT}([[:space:]]|$)" || true)
     elif command -v netstat >/dev/null 2>&1; then
-        port_info=$($SUDO netstat -tulnp 2>/dev/null | grep -E ":${SERVER_PORT}([[:space:]]|$)" || true)
+        port_info=$($SUDO netstat -tlnp 2>/dev/null | grep -E ":${SERVER_PORT}([[:space:]]|$)" || true)
     elif command -v lsof >/dev/null 2>&1; then
         port_info=$($SUDO lsof -i :${SERVER_PORT} 2>/dev/null | grep LISTEN || true)
     else