httpd 运行在 443 端口。这是网站 example.com。论坛应运行在子域名 forum.example.com 上。我应该使用哪个端口？
以下是 netstat -alpn | grep 443 的输出：
[root@vserver ~]# netstat -alpn | grep 443
tcp 0 0 0.0.0.0:8443 0.0.0.0:* LISTEN 28853/sw-cp-server:
tcp 0 0 178.77.99.191:8443 185.243.71.165:58504 TIME_WAIT -
tcp 0 0 178.77.99.191:8443 185.243.71.165:58482 TIME_WAIT -
tcp 0 0 178.77.99.191:8443 185.243.71.165:58514 TIME_WAIT -
tcp6 0 0 :::443 :::* LISTEN 2517/httpd
tcp6 0 0 :::8443 :::* LISTEN 28853/sw-cp-server:
tcp6 0 0 178.77.99.191:443 185.243.71.165:46544 TIME_WAIT -
tcp6 0 0 178.77.99.191:443 185.243.71.165:46542 TIME_WAIT -