I'm using ngrep to see some HTTP traffic.
sudo ngrep -ld eth0 '.*' ip6 and port 80
But I don't see any output (other than # marks). If I do a similar test with IPv4, all works fine.
asked 21 Nov '11, 17:11
ngrep 1.45 has a bug in it that effects IPv6. As per the discussion at,
There is a patch available, located at,
Which resolves this issue. In order to use this patch, you'll need to download the ngrep source and patch it with the command,
If you then configure and install ngrep as normal you'll be able to see the content of IPv6 packets from ngrep.
answered 21 Nov '11, 17:16