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ykxmz 1.5.0锛氫慨澶嶆墜琛ㄧ TLS 璇佷功鏍¢獙 + MTU 淇缃戠粶绋冲畾鎬?
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
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#!/bin/bash
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# 强制隧道走 IPv4 + HTTP2。
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#
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# 根因:这条 4G 线路**分配了 IPv6 地址但实际不通**。
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# Cloudflare 边缘默认优先 IPv6(日志里是 2606:4700:a8::10),
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# 于是每次建隧道都在等一个永远连不上的地址 -> context deadline exceeded。
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#
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# 修法:
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# --edge-ip-version 4 只走 IPv4
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# --protocol http2 用 TCP 而不是 QUIC(有些 4G 会拦 UDP)
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set -u
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RELAY_DIR=/root/lanremote-relay
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echo "===== 确认 IPv4 / IPv6 ====="
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timeout 6 curl -4 -s -o /dev/null -w ' IPv4 -> %{http_code}\n' https://www.cloudflare.com || echo ' IPv4 不通'
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timeout 6 curl -6 -s -o /dev/null -w ' IPv6 -> %{http_code}\n' https://www.cloudflare.com || echo ' IPv6 不通(这就是根因)'
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echo
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echo "===== 更新 systemd 服务,加 IPv4 参数 ====="
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systemctl stop lanremote-tunnel 2>/dev/null || true
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pkill -f 'cloudflared tunnel' 2>/dev/null || true
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sleep 2
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cat > /etc/systemd/system/lanremote-tunnel.service <<'UNIT'
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[Unit]
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Description=LanRemote Cloudflare 隧道
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After=network-online.target lanremote-relay.service
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Wants=network-online.target
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Requires=lanremote-relay.service
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[Service]
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Type=simple
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# 这条 4G 线路的 IPv6 有地址但不通,必须强制 IPv4;
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# 同时用 http2 而不是 QUIC,避开某些 4G 对 UDP 的拦截。
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ExecStart=/usr/local/bin/cloudflared tunnel --no-autoupdate \
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--edge-ip-version 4 --protocol http2 \
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--url http://127.0.0.1:8080
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Restart=always
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RestartSec=5
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MemoryMax=128M
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StandardOutput=append:/root/lanremote-relay/tunnel.log
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StandardError=append:/root/lanremote-relay/tunnel.log
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[Install]
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WantedBy=multi-user.target
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UNIT
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systemctl daemon-reload
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systemctl enable lanremote-tunnel >/dev/null 2>&1
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rm -f "$RELAY_DIR/tunnel.log"
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systemctl start lanremote-tunnel
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echo " 服务已更新并启动"
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echo
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echo "===== 等公网地址(最多 100 秒)====="
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URL=""
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for i in $(seq 1 50); do
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sleep 2
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URL=$(grep -oE 'https://[a-z0-9]+(-[a-z0-9]+)+\.trycloudflare\.com' \
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"$RELAY_DIR/tunnel.log" 2>/dev/null | tail -1)
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if [ -n "$URL" ]; then
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echo " 第 $((i*2)) 秒拿到: $URL"
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break
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fi
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done
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if [ -z "$URL" ]; then
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echo " 还是没拿到,日志尾部:"
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tail -12 "$RELAY_DIR/tunnel.log"
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exit 1
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fi
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echo "$URL" > "$RELAY_DIR/public_url.txt"
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echo
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echo "===== 公网可达性 ====="
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for i in 1 2 3 4 5; do
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if curl -s --max-time 20 "$URL/v1/health" | grep -q '"ok"'; then
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echo " 第 $i 次: 通了"
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break
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fi
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echo " 第 $i 次: 还没通"
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sleep 4
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done
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echo
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echo "===== 走的是 IPv4 吗 ====="
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curl -s --max-time 15 -o /dev/null -w ' 连接对端 IP: %{remote_ip}\n' "$URL/v1/health"
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echo
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echo "===== 服务状态 ====="
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systemctl is-active lanremote-relay lanremote-tunnel
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echo
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free -m | head -2
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echo
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echo "PUBLIC_URL=$URL"
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