删除前 ufw 的状态如下:
Status: active
To Action From
-- ------ ----
20,21,22,80,888,8888/tcp ALLOW Anywhere
39000:40000/tcp ALLOW Anywhere
888/tcp ALLOW Anywhere
80/tcp ALLOW Anywhere
20,21,22,80,888,8888/tcp (v6) ALLOW Anywhere (v6)
39000:40000/tcp (v6) ALLOW Anywhere (v6)
888/tcp (v6) ALLOW Anywhere (v6)
80/tcp (v6) ALLOW Anywhere (v6)
删除后
Status: active
To Action From
-- ------ ----
20,21,22,80,888,8888/tcp ALLOW Anywhere
39000:40000/tcp ALLOW Anywhere
888/tcp ALLOW Anywhere
20,21,22,80,888,8888/tcp (v6) ALLOW Anywhere (v6)
39000:40000/tcp (v6) ALLOW Anywhere (v6)
888/tcp (v6) ALLOW Anywhere (v6)
20,21,22,80,888,8888/tcp 这几个都是默认的,根本删除不了
这么做处于什么考虑? |