[Iftop-users] v6 dns display error

[jens]

On 04.02.2017 03:53, Stuart Gathman wrote:
> On 02/03/2017 02:03 PM, jens wrote:
>> 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.
> This is a long standing bug.  Here is when I reported it for RedHat:
>
> https://bugzilla.redhat.com/show_bug.cgi?id=1120254
>
> The workaround is to turn off DNS lookup ('n').  DNS is unreliable
> anyway, right?
>
think a little bit deeper in it,  it seems that iftop is doing strange
things, other than described in the issue , there are NO succesfull
lookups of ipv6 addresses other than etc/hosts .. and there it picks
randomly (i guess the first occuring of) a hosts-entry for a ipv6
 and from this moment on use it buggy-wise use this for all ipv6 which
are there ..

dont know if that helps in finding the problem,
just wanted to clear this

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