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xmz7891
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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 - 鐢婚潰蹇冭烦甯э細闈欐鏃剁渷娴侀噺锛屽鎴风浠嶇煡閬撴祦鏄椿鐨?- 閿佸睆鏃剁粰鍑哄彲鎿嶄綔鐨勬彁绀? 鎵嬭〃绔?- 鍐呯疆 GTS Root R4 / GlobalSign Root CA锛屼慨 SSLHandshakeException - 杩炴帴閿欒缈昏瘧鎴愪汉璇濓紙璇佷功/鏃堕棿/瑙ｆ瀽/瓒呮椂鍒嗗埆鎻愮ず锛?- 缁忎腑杞繛涓婂悗鐢ㄦ湇鍔″櫒鎶ョ殑鍦板潃鍒锋柊宸查厤瀵硅褰?- 鏂板灞€鍩熺綉杩炴帴椤甸潰銆佹湇鍔″櫒寤惰繜妫€娴? 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 - 绠＄悊椤碉細鎵归噺鍒犻櫎銆佺綉缁滀綋妫€銆佷笅杞藉尯 - 闅ч亾鏀?HTTP/2 + 鍙岃繛鎺? 鏂囨。 - 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
74 lines
2.8 KiB
Bash
74 lines
2.8 KiB
Bash
#!/bin/bash
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# 定稿：MSS 1400（安全余量足），跑 15 分钟确认。
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#
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# MSS 扫描结果（各 24 次）：
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# 不夹(1500) 87% MSS 1300 100% MSS 1360 100%
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# MSS 1400 100% MSS 1440 100%
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# 取 1400：都在 100%，但它离路径上限（ICMP 实测约 1480）有 80 字节余量，
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# 换网络（比如加一层 VPN、走 PPPoE）时更不容易踩线。
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set -u
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RELAY_DIR=/root/lanremote-relay
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URL=https://relay.xxmxxs.top
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FINAL_MSS=1400
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echo "===== 1. 把 MSS 定成 $FINAL_MSS ====="
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for chain in OUTPUT POSTROUTING; do
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for old in 1300 1360 1400 1440; do
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while iptables -t mangle -C "$chain" -p tcp --tcp-flags SYN,RST SYN \
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-j TCPMSS --set-mss "$old" 2>/dev/null; do
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iptables -t mangle -D "$chain" -p tcp --tcp-flags SYN,RST SYN \
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-j TCPMSS --set-mss "$old" 2>/dev/null || break
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done
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done
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iptables -t mangle -A "$chain" -p tcp --tcp-flags SYN,RST SYN \
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-j TCPMSS --set-mss "$FINAL_MSS" 2>/dev/null
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done
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sed -i "s/^MSS_VALUE=.*/MSS_VALUE=$FINAL_MSS/" "$RELAY_DIR/net-tune.sh" 2>/dev/null
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echo " 当前规则："
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iptables -t mangle -L -n 2>/dev/null | grep -i mss | sed 's/^/ /'
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echo " net-tune.sh: $(grep '^MSS_VALUE=' "$RELAY_DIR/net-tune.sh")"
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echo
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echo "===== 2. 重启隧道 ====="
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systemctl restart lanremote-tunnel
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sleep 35
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echo " 连接数: $(curl -s --max-time 5 http://127.0.0.1:20241/metrics 2>/dev/null | grep '^cloudflared_tunnel_ha_connections' | awk '{print $2}')"
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echo
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echo "===== 3. 15 分钟长测（每 5 秒一次，共 180 次）====="
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: > "$RELAY_DIR/tunnel.log"
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ok=0; bad=0; consec=0; maxconsec=0
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for i in $(seq 1 180); do
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c=$(timeout 12 curl -4 -s -o /dev/null -w '%{http_code}' \
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-H 'User-Agent: LanRemote/1.4.0' "$URL/v1/health" 2>/dev/null)
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c=${c:-000}
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if [ "$c" = "200" ]; then
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ok=$((ok+1)); consec=0
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else
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bad=$((bad+1)); consec=$((consec+1))
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[ "$consec" -gt "$maxconsec" ] && maxconsec=$consec
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fi
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sleep 5
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done
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pct=$((ok * 100 / 180))
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echo
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echo "===== 结果 ====="
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echo " 可用 $ok/180 = ${pct}%"
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echo " 最长连续失败 ${maxconsec} 次（约 $((maxconsec * 5)) 秒）"
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echo " 隧道：注册 $(grep -c 'Registered tunnel connection' "$RELAY_DIR/tunnel.log" 2>/dev/null || echo 0) 次 ·" \
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"断开 $(grep -c 'Connection terminated' "$RELAY_DIR/tunnel.log" 2>/dev/null || echo 0) 次 ·" \
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"Bad request $(grep -c 'Bad request syntax' "$RELAY_DIR/tunnel.log" 2>/dev/null || echo 0) 次"
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echo
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echo "===== 全程对比 ====="
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echo " 最初（QUIC，什么都不改） 48%"
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echo " HTTP/2 双连接 60~75%"
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echo " + chunked 修复 72%"
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echo " + MTU 修复（MSS $FINAL_MSS） ${pct}%"
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if [ "$pct" -ge 90 ]; then
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echo " ✓✓ 达标（目标 90%+）"
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else
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echo " ~ 未达 90%"
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fi
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