請問一個 ufw 的問題
我已經確認 ufw 預設input policy 是drop
[/home/chchang ufw ]$ cat /etc/default/ufw |grep INPUT
DEFAULT_INPUT_POLICY="DROP"
我的ufw rule 長這樣 拒絕port 888 連線
$ sudo ufw status numbered
狀態： 啓用
至 動作 來自
- -- --
[ 1] 22/tcp ALLOW IN Anywhere
[ 2] 80/tcp ALLOW IN Anywhere
[ 3] 443 ALLOW IN Anywhere
[ 4] 12000/udp ALLOW IN Anywhere
[ 5] 8000:8100/tcp ALLOW IN Anywhere
[ 6] 53 on tailscale0 ALLOW IN Anywhere
[ 7] 853 on tailscale0 ALLOW IN Anywhere
[ 8] 3.4.5.6 888 DENY IN Anywhere
[ 9] 3.4.5.6 853 DENY IN Anywhere
[10] 3.4.5.6 53 DENY IN Anywhere
[11] 888/tcp DENY IN Anywhere
可是為什麼我還是可以從外面 telnet 這台機器的 888 port ?