I'm getting (DUP!) when I run pings against a server
$ ping myserver.home.arpa
PING myserver.home.arpa (10.123.2.1): 56 data bytes
64 bytes from 192.168.178.169: icmp_seq=36470 ttl=255 time=-2314885529123332030464.000 ms
64 bytes from 192.168.178.168: icmp_seq=36470 ttl=255 time=-2314885529123332030464.000 ms (DUP!)
64 bytes from 10.123.2.1: icmp_seq=0 ttl=64 time=116.027 ms
64 bytes from 10.123.2.1: icmp_seq=1 ttl=64 time=115.685 ms
64 bytes from 192.168.178.169: icmp_seq=36471 ttl=255 time=-2314885529123332030464.000 ms
64 bytes from 192.168.178.168: icmp_seq=36471 ttl=255 time=-2314885529123332030464.000 ms (DUP!)
64 bytes from 10.123.2.1: icmp_seq=2 ttl=64 time=116.503 ms
64 bytes from 10.123.2.1: icmp_seq=3 ttl=64 time=116.730 ms
64 bytes from 192.168.178.169: icmp_seq=36472 ttl=255 time=-2314885529123332030464.000 ms
64 bytes from 192.168.178.168: icmp_seq=36472 ttl=255 time=-2314885529123332030464.000 ms (DUP!)
64 bytes from 10.123.2.1: icmp_seq=4 ttl=64 time=115.935 ms
64 bytes from 10.123.2.1: icmp_seq=5 ttl=64 time=116.307 ms
64 bytes from 192.168.178.169: icmp_seq=36473 ttl=255 time=-2314885529123332030464.000 ms
64 bytes from 192.168.178.168: icmp_seq=36473 ttl=255 time=-2314885529123332030464.000 ms (DUP!)
64 bytes from 10.123.2.1: icmp_seq=6 ttl=64 time=120.894 ms
64 bytes from 10.123.2.1: icmp_seq=7 ttl=64 time=117.309 ms
64 bytes from 192.168.178.169: icmp_seq=36474 ttl=255 time=-2314885529123332030464.000 ms
64 bytes from 192.168.178.168: icmp_seq=36474 ttl=255 time=-2314885529123332030464.000 ms (DUP!)
64 bytes from 10.123.2.1: icmp_seq=8 ttl=64 time=115.975 ms
^C--- myserver.home.arpa ping statistics ---
9 packets transmitted, 14 packets received, +5 duplicates, -- somebody is printing forged packets!
round-trip min/avg/max/stddev = -2314885529123332030464.000/-1218360804801753907200.000/120.894/1155838546514805784576.000 ms
The server is in AWS, behind a Linux based NAT instance
someara
commented
10 months ago
Hello!
I'm getting (DUP!) when I run pings against a server
$ ping myserver.home.arpa PING myserver.home.arpa (10.123.2.1): 56 data bytes 64 bytes from 192.168.178.169: icmp_seq=36470 ttl=255 time=-2314885529123332030464.000 ms 64 bytes from 192.168.178.168: icmp_seq=36470 ttl=255 time=-2314885529123332030464.000 ms (DUP!) 64 bytes from 10.123.2.1: icmp_seq=0 ttl=64 time=116.027 ms 64 bytes from 10.123.2.1: icmp_seq=1 ttl=64 time=115.685 ms 64 bytes from 192.168.178.169: icmp_seq=36471 ttl=255 time=-2314885529123332030464.000 ms 64 bytes from 192.168.178.168: icmp_seq=36471 ttl=255 time=-2314885529123332030464.000 ms (DUP!) 64 bytes from 10.123.2.1: icmp_seq=2 ttl=64 time=116.503 ms 64 bytes from 10.123.2.1: icmp_seq=3 ttl=64 time=116.730 ms 64 bytes from 192.168.178.169: icmp_seq=36472 ttl=255 time=-2314885529123332030464.000 ms 64 bytes from 192.168.178.168: icmp_seq=36472 ttl=255 time=-2314885529123332030464.000 ms (DUP!) 64 bytes from 10.123.2.1: icmp_seq=4 ttl=64 time=115.935 ms 64 bytes from 10.123.2.1: icmp_seq=5 ttl=64 time=116.307 ms 64 bytes from 192.168.178.169: icmp_seq=36473 ttl=255 time=-2314885529123332030464.000 ms 64 bytes from 192.168.178.168: icmp_seq=36473 ttl=255 time=-2314885529123332030464.000 ms (DUP!) 64 bytes from 10.123.2.1: icmp_seq=6 ttl=64 time=120.894 ms 64 bytes from 10.123.2.1: icmp_seq=7 ttl=64 time=117.309 ms 64 bytes from 192.168.178.169: icmp_seq=36474 ttl=255 time=-2314885529123332030464.000 ms 64 bytes from 192.168.178.168: icmp_seq=36474 ttl=255 time=-2314885529123332030464.000 ms (DUP!) 64 bytes from 10.123.2.1: icmp_seq=8 ttl=64 time=115.975 ms ^C--- myserver.home.arpa ping statistics --- 9 packets transmitted, 14 packets received, +5 duplicates, -- somebody is printing forged packets! round-trip min/avg/max/stddev = -2314885529123332030464.000/-1218360804801753907200.000/120.894/1155838546514805784576.000 ms
The server is in AWS, behind a Linux based NAT instance
-s