Linux zika.gattaca.net 5.8.0-48-generic #54-Ubuntu SMP Fri Mar 19 14:25:20 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux
I just noticed that only when I ping from the root IPv6 is selected:
root@#########:/etc/samba# ping localhost
PING localhost(localhost (::1)) 56 data bytes 64 bytes from localhost (::1): icmp_seq=1 ttl=64 time=0.226 ms 64 bytes from localhost (::1): icmp_seq=2 ttl=64 time=0.204 ms 64 bytes from localhost (::1): icmp_seq=3 ttl=64 time=0.177 ms 64 bytes from localhost (::1): icmp_seq=4 ttl=64 time=0.187 ms 64 bytes from localhost (::1): icmp_seq=5 ttl=64 time=0.142 ms 64 bytes from localhost (::1): icmp_seq=6 ttl=64 time=0.142 ms 64 bytes from localhost (::1): icmp_seq=7 ttl=64 time=0.213 ms ^C --- localhost ping statistics --- 7 packets transmitted, 7 received, 0% packet loss, time 137ms rtt min/avg/max/mdev = 0.142/0.184/0.226/0.033 ms brad@#########:~$ ping localhost
PING localhost (127.0.0.1) 56(84) bytes of data. 64 bytes from localhost (127.0.0.1): icmp_seq=1 ttl=64 time=0.194 ms 64 bytes from localhost (127.0.0.1): icmp_seq=2 ttl=64 time=0.131 ms 64 bytes from localhost (127.0.0.1): icmp_seq=3 ttl=64 time=0.130 ms 64 bytes from localhost (127.0.0.1): icmp_seq=4 ttl=64 time=0.133 ms ^C --- localhost ping statistics --- 4 packets transmitted, 4 received, 0% packet loss, time 80ms rtt min/avg/max/mdev = 0.130/0.147/0.194/0.027 ms /etc/hosts:
127.0.0.1 localhost # The following lines are desirable for IPv6 capable hosts ::1 ip6-localhost ip6-loopback fe00::0 ip6-localnet ff00::0 ip6-mcastprefix ff02::1 ip6-allnodes ff02::2 ip6-allrouters if I ping 127.0.0.1 IPv4 is used, OK if I ping ::1 IPv6 is used, OK
It looks like the name resolution is not working from user but from root only.
4 Reset to default
