Shadowsocks-libev: SOCKS5 Proxy 5x-10x faster than Transparent Proxy

[DragonCat1]

What version of shadowsocks-libev are you using?

Shadowsocks-libev for OpenWrt 2.5.6

What operating system are you using?

OpenWrt

What did you do?

Transparent Proxy or SOCKS5 Proxy?

What did you expect to see?

Transparent Proxy 和 SOCKS5 Proxy有同样的速度？

What did you see instead?

不知道为什么同一台服务器 SOCKS5 Proxy 比Transparent Proxy平均快5-10倍的速度

What is your config in detail (with all sensitive info masked)?

Transparent Proxy 900Kbps~2500Kbps

SOCKS5 Proxy 9000Kbps~20000Kbps

[madeye]

Possible issues:

1. Your OpenWRT device has a broken kernel or limited resource, so that the NAT performance is very poor.
2. You didn't add any *.googlevideo.com rules to your dnsmasq.conf
3. The two videos you tested were located at different Google's cache server, and the first one is far away from your shadowsocks server.

[fiercebead]

Transparent Proxy是指的全局代理吧？应该和地区和ISP都有关系，我这里联通也是这样的，UDP容易被限速，有时候还会被阻断几分钟，同一时间TCP很快而且很稳定。
你应该是用的Chrome浏览器吧，Chrome支持QUIC协议，QUIC是走UDP的，YouTube会优先尝试QUIC，如果不通就会走TCP，所以你可以在你的VPS上用iptables禁止VPS访问80和443UDP端口来禁止QUIC。

iptables -A OUTPUT -p udp --dport 80 -j DROP
iptables -A OUTPUT -p udp --dport 443 -j DROP

另外也可以在Chrome的flags里面关闭QUIC
chrome://flags/#enable-quic

但我个人认为iptables的方法更好，从源头上关闭了所有可能的QUIC。
比如安卓手机上的YouTube应用也会用QUIC，但是YouTube应用本身没有选项关闭QUIC。

[DragonCat1]

@fiercebead 应该就是你说的这个问题，我尝试了换Edge或者关闭UDP-Relay或者关闭chrome://flags/#enable-quic就都正常了，买的服务，所以VPS动不了
好气，杭州电信