ufw allow 11963/tcp
ufw reload
ufw status verbose
Status: active
Logging: on (low)
Default: deny (incoming), allow (outgoing), disabled (routed)
New profiles: skip
To Action From
-- ------ ----
11963/tcp ALLOW IN Anywhere
11963/tcp (v6) ALLOW IN Anywhere (v6)
root@something# sudo netstat -plnt
Active Internet connections (only servers)
Proto Recv-Q Send-Q Local Address Foreign Address State PID/Program name
tcp 0 0 127.0.0.53:53 0.0.0.0:* LISTEN 3115/systemd-resolv
tcp 0 0 0.0.0.0:22 0.0.0.0:* LISTEN 885/sshd: /usr/sbin
tcp 0 0 127.0.0.1:12798 0.0.0.0:* LISTEN 299986/cardano-node
tcp 0 0 127.0.0.1:12788 0.0.0.0:* LISTEN 299986/cardano-node
tcp6 0 0 :::22 :::* LISTEN 885/sshd: /usr/sbin
但它不在那里,如果我尝试类似的网站,就会确认https://www.yougetsignal.com/tools/open-ports/或者http://port.ping.pe/请帮助我理解。
答案1
您已使用 UFW 允许端口监听,但尚未启动端口监听,请安装 netcat(如果尚未安装),然后尝试:
nc -l 11963