Re: invalid ICMP error to a broadcast..

[cjw44@flatline.org.uk (Colin Watson)]

=?Windows-1252?Q?Ari_Sigur=F0sson?= <ari@solver.is> wrote:
>hello, I recentrly upgraded my kernel to 2.4.2, I have two network card on
>my debian 2.2 system, and I am using ip_forwarding for a local subnet.
>
>before I updated to 2.4.1 I never saw this message,
>2.4.1 showed this sometimes,
>but now at 2.4.2 I am getting this at regular intervals
>can anyone tell me what this means?
>
>x.x.x.x sent an invalid ICMP error to a broadcast?
>
>the ip is a remote computer, a gateway or something?

It's some other broken computer. You can ignore it with 'echo 1 >
/proc/sys/net/ipv4/icmp_ignore_broken_error_responses' - in fact,
there's a line in the default /etc/sysctl.conf that you can uncomment to
cause this to be set at boot-time.

HTH,

-- 
Colin Watson                                     [cjw44@flatline.org.uk]