ping: sendmsg: Operation not permitted

ping: sendmsg: Operation not permitted

ping 명령어 실행

choman-pc ~ # ping 1x5.x8.1x1.13 PING 1x5.x8.1x1.15 (1x5.x8.1x1.13) 56(84) bytes of data. ping: sendmsg: Operation not permitted ping: sendmsg: Operation not permitted ping: sendmsg: Operation not permitted

ping 명령어 실행시 위와 같은 메세지 출력

해당 문제점은 iptables 방화벽 설정 문제이다.

ICMP 패킷을 허용하던가 방화벽을 내리면...

choman-pc ~ # ping 1x5.x8.1x1.13 PING 1x5.x8.1x1.13 (1x5.x8.1x1.13) 56(84) bytes of data. 64 bytes from 1x5.x8.1x1.13: icmp_seq=1 ttl=49 time=3.90 ms 64 bytes from 1x5.x8.1x1.13: icmp_seq=2 ttl=49 time=3.90 ms 64 bytes from 1x5.x8.1x1.13: icmp_seq=3 ttl=49 time=3.90 ms

잘된다.