What is the meaning of the foll. output of ping.
[root@dreams /root]# ping 192.168.42.1
PING 192.168.42.1 (192.168.42.1) from 192.168.42.244 : 56(84) bytes of data.
Warning: time of day goes back, taking countermeasures. <-- (1)
64 bytes from 192.168.42.1: icmp_seq=0 ttl=255 time=689 usec
64 bytes from 192.168.42.1: icmp_seq=1 ttl=255 time=287 usec
My system time is alright in the above case.
[root@dreams /root]# ping 202.54.1.18
PING 202.54.1.18 (202.54.1.18) from 203.199.57.4 : 56(84) bytes of data.
ping: sendto: Operation not permitted |
ping: wrote 202.54.1.18 64 chars, ret=-1 |
ping: sendto: Operation not permitted > <---(2)
ping: wrote 202.54.1.18 64 chars, ret=-1 |