Wget, Yum and network investigation
Bob Chiodini
rchiodin at bellsouth.net
Mon Feb 27 19:25:33 UTC 2006
On Mon, 2006-02-27 at 19:07 +0100, antonio montagnani wrote:
> 2006/2/27, Bob Chiodini <rchiodin at bellsouth.net>:
>
> >
> > Maybe unrelated: In the above network traffic, what is the port 1238
> > traffic to/from user89-net218219030.ayu.ne.jp? UDP port 1238 is defined
> > as hacl-qs, but I cannot find what it does. Take a look at netstat -n |
> > grep 1238.
>
> I will check tomorrow morning, now I am at home, so server is out of
> my reach :-)
> >
> > I took a quick look at the attached ethereal data. There does not seem
> > to be any traffic to your DNS server or to redhat, for testfailed. This
> > sure points to some kind of proxy running on the same box. Try ethereal
> > on the lo interface.
> >
> yes, there is no traffic to redhat, if I use wget with no flag or yum,
> but traffic is existing with flagged wget
>
> > One other thought: Try stopping mDNSResponder (service mDNSResponder
> > stop).
> >
> I will try it: I do not understand why mDNS should be a problem with
> no-flag wget (and yum), otherwise it is o.k.
>
> >
> >
> I have a doubt to have upgraded some part with some extra repository
> causing this weirdness...but how can I check??
>
Antonio,
If you have the time (tomorrow) and the CPU cycles: rpm -Va to verify
the installed packages. I've never done it, but rumor has it that it
takes a very long time. Maybe something will pop up.
You have probably done this, and I missed it, could you post the output
of ifconfig -a, netstat -rn and radvdump (just in case)?
A little far of field, but you could try running wget (and maybe yum)
under strace.
Bob...
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