Files
ykxmz/_build/fix_tunnel_down.sh
T
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琚帶绔?- 淇 MTU 闂锛氬す MSS + 璺緞 MTU 鎺㈡祴锛堝叕缃戝彲鐢ㄧ巼 48% -> 100%锛?- 澶嶇敤 HTTP 杩炴帴锛堝厤鎺夋瘡娆℃柊寤?TLS 鐨?30% 鎻℃墜澶辫触锛?- 姣忓垎閽熷洖澶存壘灞€鍩熺綉锛岃嚜鍔ㄥ垏鍥炲揩 400 鍊嶇殑璺緞
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鎵嬭〃绔?- 鍐呯疆 GTS Root R4 / GlobalSign Root CA锛屼慨 SSLHandshakeException
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鏈嶅姟鍣ㄧ
- 鏀寔 chunked 璇锋眰浣擄紙淇瘡 16 绉掍竴娆$殑杩炴帴閿欎贡涓庡ぇ闈㈢Н 502锛?- 缃戠粶璋冧紭鑴氭湰 net-tune.sh锛堝紑鏈鸿嚜鍔ㄥ簲鐢級
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- 闅ч亾鏀?HTTP/2 + 鍙岃繛鎺?
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- 璁稿彲鍗忚 / 瀹夎鍓嶅繀璇?/ 瀹夎鍚庨』鐭ワ紙浣滆€咃細灏忛害瀛愶級
2026-10-06 19:01:05 +08:00

60 lines
2.1 KiB
Bash

#!/bin/bash
# 隧道挂了,查原因并恢复。
set -u
RELAY_DIR=/root/lanremote-relay
echo "===== 1. 服务状态 ====="
systemctl status lanremote-tunnel --no-pager 2>&1 | head -10 | sed 's/^/ /'
echo
echo "===== 2. 进程 ====="
pgrep -a -f cloudflared | grep -v grep | sed 's/^/ /' || echo " 没有进程"
echo
echo "===== 3. 已注册的连接 ====="
grep -c 'Registered tunnel connection' "$RELAY_DIR/tunnel.log" 2>/dev/null | sed 's/^/ 注册: /'
grep -c 'Connection terminated' "$RELAY_DIR/tunnel.log" 2>/dev/null | sed 's/^/ 断开: /'
echo
echo " 最近的连接事件:"
grep -E 'Registered tunnel connection|Connection terminated|Unable to establish' \
"$RELAY_DIR/tunnel.log" 2>/dev/null | tail -6 | sed 's/^/ /'
echo
echo "===== 4. 日志尾部 ====="
tail -8 "$RELAY_DIR/tunnel.log" 2>/dev/null | sed 's/^/ /'
echo
echo "===== 5. 到边缘的连通性 ====="
echo " region1.v2.argotunnel.com 解析:"
getent ahostsv4 region1.v2.argotunnel.com | head -2 | sed 's/^/ /'
timeout 10 curl -4 -s -o /dev/null -w ' HTTP %{http_code} %{time_total}s\n' \
https://region1.v2.argotunnel.com 2>/dev/null || echo " 超时"
echo
echo " UDP 7844 通吗(QUIC 用的端口):"
timeout 8 bash -c 'echo > /dev/udp/198.41.200.113/7844' 2>/dev/null && echo " 能发出去" || echo " 发不出去"
echo
echo "===== 6. 重启隧道 ====="
systemctl restart lanremote-tunnel
rm -f "$RELAY_DIR/tunnel.log"
sleep 40
echo " 服务: $(systemctl is-active lanremote-tunnel)"
echo " 注册的连接: $(grep -c 'Registered tunnel connection' "$RELAY_DIR/tunnel.log" 2>/dev/null || echo 0)"
echo
echo " 日志尾部:"
tail -6 "$RELAY_DIR/tunnel.log" 2>/dev/null | sed 's/^/ /'
echo
echo "===== 7. 验证 ====="
OK=0
for i in $(seq 1 10); do
C=$(timeout 20 curl -4 -s -o /dev/null -w '%{http_code}' \
-H 'User-Agent: LanRemote/1.4.0' \
https://relay.xxmxxs.top/v1/health 2>/dev/null)
[ "$C" = "200" ] && { OK=$((OK + 1)); M="✓"; } || M="✗"
printf " %2d: %s HTTP %s\n" "$i" "$M" "${C:-超时}"
sleep 3
done
echo " 成功 $OK / 10"