Vision: 连接总是在服务端 connIdle 设置的 2 倍时间断线 #3348
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bug
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测试时只把 Server config 里面的 connIdle 改成了 20，写 issue 时忘记更新了。Server log 可见 |
Fangliding
added
bug
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xtls对于timer的实现似乎不正确 关掉flow试一试 |
服务端和客户端 flow 都置空，的确没有再断了 |
关掉flow不会失去安全性吗 |
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是bug 会修的 要关只是确认一下 |
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已知潜在问题，双向 Splice 会导致 timer 没被更新从而掐断连接 @yuhan6665 |
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可以吧 |
这个坑挺好填的，Splice 又观察不了， |
RPRX
changed the title
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timer在 Xray-core/proxy/vless/outbound/outbound.go Line 238 in 26d49df 被传入 encoding.XtlsWrite() 在其内部好像只有一个简单粗暴的 Xray-core/proxy/vless/encoding/encoding.go Line 248 in 26d49df 在其他情况下 这个timer是这么用的 Xray-core/proxy/vless/outbound/outbound.go Line 241 in 26d49df |
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不知道 Linux 双向 Splice 后有没有自带不活跃超时机制， |
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yuhan6665：我没实现双向 splice。。只是加了 freedom 下行方向。。 |
@yuhan6665 bug依然存在，症状相同，已确认双端运行的构建版本都是3168d27 server error.log client Verror.txt |
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@MetaZuo 你的日志帮我想起 inbound 缺了一个修复 你再试下 https://github.com/XTLS/Xray-core/actions/runs/9153291749 |
@yuhan6665 经测试应该是解决了，感谢！ |
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Thanks all! |
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完整性要求
版本
描述
Windows 电脑 pip 走代理下载包的时候总是在一定进度断线，手动使用 curl 下载可复现问题。以下载 torch 包为例，命令：
服务端配置的 connIdle 为 128，下载总是会在 4:17（即 256 s) 断线。服务端 connIdle 改为 20，则会在 40 s 时断线。尝试多组数字均满足规律。并且使用浏览器下载时能够正常完成，似乎仅影响 pip 和 上述 curl 命令等单条连接的情况。
客户端：最初在 Openwrt (arm64) 路由器透明代理（使用 passwall）时观察到，后为了排除路由器自身原因，使用多个设备连接公共 Wifi 测试，仅在 Windows 下仍然观察到此问题，Linux, ios, MacOS 无论自己的路由器/公共wifi均正常。可稳定复现。
服务器：切换使用2家云主机商的3台vps，现象相同。
重现方式
Server config:
{ "log": { "loglevel": "debug", "error": "/var/log/xray/error.log", "access": "/var/log/xray/access.log" }, "api": { "services": [ "HandlerService", "LoggerService", "StatsService" ], "tag": "api" }, "stats": {}, "policy": { "levels": { "0": { "handshake": 2, "connIdle": 128, "statsUserUplink": true, "statsUserDownlink": true } }, "system": { "statsInboundUplink": true, "statsInboundDownlink": true, "statsOutboundUplink": true, "statsOutboundDownlink": true } }, "dns": { "servers": [ "https+local://cloudflare-dns.com/dns-query", "1.1.1.1", "1.0.0.1", "8.8.8.8", "8.8.4.4", "localhost" ] }, "routing": { 省略 }, "inbounds": [ { "listen": "127.0.0.1", "port": 32768, "protocol": "dokodemo-door", "settings": { "address": "127.0.0.1" }, "tag": "api", "sniffing": null }, { "tag": "xray-script-xtls-reality", "listen": "0.0.0.0", "port": 443, "protocol": "vless", "settings": { "clients": [ { "email": "vless@xtls.reality", "id": 隐去, "flow": "xtls-rprx-vision", "level": 0 } ], "decryption": "none" }, "streamSettings": { "network": "tcp", "security": "reality", "realitySettings": { "show": false, "dest": "learn.microsoft.com:443", "xver": 0, "serverNames": [ "learn.microsoft.com", "www.learn.microsoft.com" ], "privateKey": 隐去, "shortIds": 隐去 } }, "sniffing": { "enabled": true, "destOverride": [ "http", "tls", "quic" ] } } ], "outbounds": [ { "tag": "direct", "protocol": "freedom" }, { "tag": "block", "protocol": "blackhole" } ] }Windows 电脑连接公共 wifi，使用以下配置，命令行运行 xray.exe
Client config:
{ "log": { "access": "Vaccess.txt", "error": "Verror.txt", "loglevel": "debug" }, "inbounds": [ { "tag": "socks", "port": 1181, "listen": "127.0.0.1", "protocol": "socks", "sniffing": { "enabled": true, "destOverride": [ "http", "tls" ], "routeOnly": false }, "settings": { "auth": "noauth", "udp": true, "allowTransparent": false } }, { "tag": "http", "port": 1182, "listen": "127.0.0.1", "protocol": "http", "sniffing": { "enabled": true, "destOverride": [ "http", "tls" ], "routeOnly": false }, "settings": { "auth": "noauth", "udp": true, "allowTransparent": false } } ], "outbounds": [ { "tag": "proxy", "protocol": "vless", "settings": { "vnext": [ { "address": 隐去, "port": 443, "users": [ { "id": "隐去", "security": "auto", "encryption": "none", "flow": "xtls-rprx-vision" } ] } ] }, "streamSettings": { "network": "tcp", "security": "reality", "realitySettings": { "serverName": "www.learn.microsoft.com", "fingerprint": "chrome", "show": false, "publicKey": 隐去, "shortId": 隐去, "spiderX": "" } }, "mux": { "enabled": false, "concurrency": -1 } }, { "tag": "direct", "protocol": "freedom", "settings": {} }, { "tag": "block", "protocol": "blackhole", "settings": { "response": { "type": "http" } } } ], "dns": { "hosts": { "dns.google": "8.8.8.8" }, "servers": [ { "address": "223.5.5.5", "domains": [ "geosite:cn", "geosite:geolocation-cn" ], "expectIPs": [ "geoip:cn" ] }, "1.1.1.1", "8.8.8.8", "https://dns.google/dns-query" ] }, "routing": { 省略 } }日志
Server access.log:
Client Verror.txt:
Client Vaccess.txt:
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