Re: ip_rt_advice

Denis Chapligin (chollya@yantar.ru)
Thu, 8 Apr 1999 17:33:19 +0300 (EEST)


Здравствуйте

On 8 Apr 1999, Andi Kleen wrote:

> > I have a strange messages at /var/log/debug:
> > Apr 7 19:25:00 hurricane kernel: ip_rt_advice: redirect to 194.186.140.201/00 dropped
> > Apr 7 19:25:14 hurricane kernel: ip_rt_advice: redirect to 194.186.140.201/00 dropped
> >
> > But this addresses are really exist in my network. During this messages,
> > machines with this ip are not available. What does this mean?
>
> Someone sent you a ICMP redirect for these IPs. The kernel installed
> a temporary route for it. Because these hosts didn't answer it concludes
> after some time that the redirect was bad and removes the temporary route.
> If it bothers you feel free to comment it out, but it would be better to
> fix the routing so that no ICMP redirect is needed.
>
I don't need routing for this machines, because they all are in one
ehternet segment. So, i can't understand, where the problem with
routing? May be this is an hacker attack?
Denis Chapligin

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