우분투 방화벽 ufw

1 개요

우분투 ufw^[1]
/usr/sbin/ufw

넷필터 방화벽 관리 프로그램

2 주요 명령어

상태 확인

root@zetawiki:~# ufw status
Status: inactive

활성화

root@zetawiki:~# ufw enable
Command may disrupt existing ssh connections. Proceed with operation (y|n)?

비활성화

root@zetawiki:~# ufw disable
Firewall stopped and disabled on system startup

root@zetawiki:~# ufw status
Status: inactive

3 기본 설정

ufw allow ssh/tcp
ufw logging on
ufw enable
ufw status

root@zetawiki:~# ufw allow 22/tcp
Rules updated
Rules updated (v6)

root@zetawiki:~# ufw logging on
Logging enabled

root@zetawiki:~# ufw enable
Command may disrupt existing ssh connections. Proceed with operation (y|n)? y
Firewall is active and enabled on system startup

root@zetawiki:~# ufw status
Status: active

To                         Action      From
--                         ------      ----
22/tcp                     ALLOW       Anywhere
22/tcp (v6)                ALLOW       Anywhere (v6)

4 같이 보기

방화벽

5 참고

↑ Uncomplicated Firewall

[1] Uncomplicated Firewall

[1]