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鎵嬭〃绔?- 鍐呯疆 GTS Root R4 / GlobalSign Root CA锛屼慨 SSLHandshakeException
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2026-10-06 19:01:05 +08:00
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#!/bin/bash
# 定稿:ha-connections=2,并做长时间稳定性验证。
#
# 实测(见 /root/ha_result.txt):
# ha=4 -> 9/10,而且只成功注册 1 条连接(其余一直在握手超时)
# ha=2 -> 10/10,2 条都注册上
# ha=1 -> 10/10,1 条
#
# 原因很可能是这条 4G 线路对并发 UDP 有节制:
# 4 条 QUIC 同时握手会互相挤,反而条条失败。
# ha=2 是甜点:够稳,又还有冗余。
set -u
RELAY_DIR=/root/lanremote-relay
UNIT=/etc/systemd/system/lanremote-tunnel.service
echo "===== 1. 写入正式配置(ha=2)====="
cat > "$UNIT" <<'EOF'
[Unit]
Description=LanRemote Cloudflare 具名隧道
After=network-online.target lanremote-relay.service
# 用 Wants 不用 Requires:Requires 是双向的,
# 重启中转会把隧道一起停掉,而且没东西会再拉起来。
Wants=network-online.target lanremote-relay.service
[Service]
Type=simple
# 协议:必须 QUIC(默认)。
# 实测这条线路把 HTTP/2 用的 TCP 7844 挡了(TLS 握手超时),
# 而 QUIC 走 UDP 7844 是通的。
# 连接数:ha-connections=2。
# 实测 4 条并发 QUIC 握手会互相挤,只成功 1 条、可用率 9/10;
# 降到 2 条后 10/10,且仍有冗余(连两个不同边缘节点)。
# IPv4:这条线路有 IPv6 地址但实际不通,必须 --edge-ip-version 4。
ExecStart=/usr/local/bin/cloudflared tunnel --no-autoupdate --edge-ip-version 4 --ha-connections 2 --retries 5 --config /root/.cloudflared/config.yml run lanremote
Restart=always
RestartSec=5
MemoryMax=128M
StandardOutput=append:/root/lanremote-relay/tunnel.log
StandardError=append:/root/lanremote-relay/tunnel.log
[Install]
WantedBy=multi-user.target
EOF
systemctl stop lanremote-tunnel 2>/dev/null || true
pkill -f cloudflared 2>/dev/null || true
sleep 3
rm -f "$RELAY_DIR/tunnel.log"
systemctl daemon-reload
systemctl enable lanremote-tunnel >/dev/null 2>&1
systemctl start lanremote-tunnel
echo
echo "===== 2. 等它建齐连接 ====="
for i in 1 2 3 4 5; do
sleep 15
N=$(grep -c 'Registered tunnel connection' "$RELAY_DIR/tunnel.log" 2>/dev/null || echo 0)
echo " $((i*15)) 秒:已注册 $N 条"
[ "$N" -ge 2 ] && break
done
echo
echo "===== 3. 长时间稳定性:连打 30 次,每次隔 3 秒 ====="
OK=0
FAIL=0
FAILED_CODES=""
for i in $(seq 1 30); do
C=$(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)
if [ "$C" = "200" ]; then
OK=$((OK + 1)); M="✓"
else
FAIL=$((FAIL + 1)); M="✗"; FAILED_CODES="$FAILED_CODES ${C:-超时}"
fi
printf " %2d: %s %s\n" "$i" "$M" "${C:-超时}"
sleep 3
done
PCT=$((OK * 100 / 30))
echo
echo " 成功 $OK / 30 ($PCT%)"
[ -n "$FAILED_CODES" ] && echo " 失败的返回码:$FAILED_CODES"
echo
echo "===== 4. 对照:中转本地(应该 100%)====="
LOK=0
for i in $(seq 1 10); do
C=$(timeout 8 curl -s -o /dev/null -w '%{http_code}' http://127.0.0.1:8080/v1/health)
[ "$C" = "200" ] && LOK=$((LOK + 1))
done
echo " 局域网直连 $LOK / 10"
echo
echo "===== 5. 隧道日志统计 ====="
echo " 注册成功: $(grep -c 'Registered tunnel connection' "$RELAY_DIR/tunnel.log" 2>/dev/null || echo 0)"
echo " 连接断开: $(grep -c 'Connection terminated' "$RELAY_DIR/tunnel.log" 2>/dev/null || echo 0)"
echo " quic 错误: $(grep -c 'Failed to dial a quic' "$RELAY_DIR/tunnel.log" 2>/dev/null || echo 0)"
echo
echo "===== 6. 最终服务清单 ====="
for s in lanremote-relay lanremote-tunnel lanremote-watchdog.timer; do
printf " %-32s %-10s %s\n" "$s" \
"$(systemctl is-active $s 2>/dev/null)" \
"$(systemctl is-enabled $s 2>/dev/null)"
done
echo
echo " 公网地址: $(cat $RELAY_DIR/public_url.txt)"
echo " 内存: $(free -m | awk 'NR==2{printf "已用 %s MB / 可用 %s MB", $3, $7}')"
if [ "$PCT" -ge 90 ]; then
echo
echo " ✓ 稳定了($PCT%)—— ha-connections=2 定稿"
else
echo
echo " ~ 还有抖动($PCT%),看门狗会兜底"
fi