tinyproxy 在多网卡绑定非主路由网卡的时候回程无数据,该排查哪?

phpfpm:proxy 的路由表:

[email protected]:/etc/tinyproxy# ip route
default via 192.168.0.1 dev enp2s0
172.17.0.0/16 dev docker0 proto kernel scope link src 172.17.0.1 linkdown
192.168.0.0/24 dev enp2s0 proto kernel scope link src 192.168.0.138
192.168.20.0/24 dev wlp4s0 proto kernel scope link src 192.168.20.112

tinyproxy 的配置:

Port 8888
Listen 192.168.0.138
Bind 192.168.20.112
#BindSame yes

curl via proxy 的现象:

$ curl https://xxx/ip -x http://proxy.server:8888 -vvv
*   Trying 192.168.0.138:8888...
* TCP_NODELAY set
* Connected to proxy.server (192.168.0.138) port 8888 (#0)
* allocate connect buffer!
* Establish HTTP proxy tunnel to xxx:443
> CONNECT xxx:443 HTTP/1.1
> Host: xxx:443
> User-Agent: curl/7.68.0
> Proxy-Connection: Keep-Alive
>

* Proxy CONNECT aborted
* CONNECT phase completed!
* Closing connection 0
curl: (56) Proxy CONNECT aborted

所以总结一下现象是
proxy.server 的 8888 端口可以连上,去程 ok,回程挂了。

tinyproxy 的 log:

INFO      Sep 12 07:31:21 [410600]: Initializing tinyproxy ...
INFO      Sep 12 07:31:21 [410600]: Reloading config file
INFO      Sep 12 07:31:21 [410600]: Added address [192.168.0.138] to listen addresses.
INFO      Sep 12 07:31:21 [410600]: Outgoing connections bound to IP 192.168.20.112
INFO      Sep 12 07:31:21 [410600]: Setting "Via" header to 'tinyproxy'
INFO      Sep 12 07:31:21 [410600]: Adding Port [443] to the list allowed by CONNECT
INFO      Sep 12 07:31:21 [410600]: Adding Port [563] to the list allowed by CONNECT
INFO      Sep 12 07:31:21 [410600]: listen_sock called with addr = '192.168.0.138'
INFO      Sep 12 07:31:21 [410600]: trying to listen on host[192.168.0.138], family[2], socktype[1], proto[6]
INFO      Sep 12 07:31:21 [410600]: listening on fd [0]
INFO      Sep 12 07:31:21 [410600]: Now running as group "tinyproxy".
INFO      Sep 12 07:31:21 [410600]: Now running as user "tinyproxy".
INFO      Sep 12 07:31:21 [410600]: Setting the various signals.
INFO      Sep 12 07:31:21 [410600]: Creating child number 1 of 10 ...
INFO      Sep 12 07:31:21 [410600]: Creating child number 2 of 10 ...
INFO      Sep 12 07:31:21 [410600]: Creating child number 3 of 10 ...
INFO      Sep 12 07:31:21 [410600]: Creating child number 4 of 10 ...
INFO      Sep 12 07:31:21 [410600]: Creating child number 5 of 10 ...
INFO      Sep 12 07:31:21 [410600]: Creating child number 6 of 10 ...
INFO      Sep 12 07:31:21 [410600]: Creating child number 7 of 10 ...
INFO      Sep 12 07:31:21 [410600]: Creating child number 8 of 10 ...
INFO      Sep 12 07:31:21 [410600]: Creating child number 9 of 10 ...
INFO      Sep 12 07:31:21 [410600]: Creating child number 10 of 10 ...
INFO      Sep 12 07:31:21 [410600]: Finished creating all children.
CONNECT   Sep 12 07:31:26 [410602]: Connect (file descriptor 6): web.server [192.168.0.178]
CONNECT   Sep 12 07:31:26 [410602]: Request (file descriptor 6): CONNECT xxx:443 HTTP/1.1
INFO      Sep 12 07:31:26 [410602]: No upstream proxy for xxx
INFO      Sep 12 07:31:26 [410602]: opensock: opening connection to xxx:443
INFO      Sep 12 07:31:26 [410602]: opensock: getaddrinfo returned for xxx:443
ERROR     Sep 12 07:33:37 [410602]: opensock: Could not establish a connection to xxx
INFO      Sep 12 07:33:37 [410602]: no entity

emm 看起来是 opensock 的问题么?

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