[Iftop-users] v6 dns display error

jens jens at viisauksena.de
Fri Feb 3 19:03:16 GMT 2017


hey, i happily use iftop for months

i now recognize some strange behaviour

using iftop on an wireguard vpn tunnel (layer3)  if i can easily see all
the endpoints for IPv4 . they are shown as they should
in that case 192.168.99.something

if i use v6 inside this wireguard tunnel .. so the IPs are more like
fdf1::16:3e75:72af (/64) than there is only one ip shown all the time -
or one dns entry (from /etc/hosts)

but strangely iftop get the streams right ... so i have plenty of
connections from
fdf1::16:3e75:72af
to
fdf1::16:3e75:72af

they all show the correct amount of traffic, but the naming/display
"error" makes it difficult to use or understand whats going on.

if i restart iftop, it may be so that another of the involved ipv6(or
dns) is showed for all involved endpoints

any idea if i do something wrong,or where the error origin is?

thx a lot
fuzzle/freiburg

Example (where rauberhaus-v6 is just one of the ipv6 involved, if
restartet it could be any other too)

rauberhaus-v6                                            =>
rauberhaus-v6                                             167Kb   114Kb 
93.5Kb
                                                        
<=                                                           162Kb  
110Kb  89.0Kb
rauberhaus-v6                                            =>
rauberhaus-v6                                            8.16Kb  7.07Kb 
7.06Kb
                                                        
<=                                                           160Kb  
107Kb  87.5Kb


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