Re: 2.2.2-ac7 TCP ignores ICMP host unreachable ??

[Andi Kleen]

On Mon, Mar 08, 1999 at 08:44:41PM +0100, [EMAIL PROTECTED] wrote:
> Hello!
> 
> > So there is a *different* behaviour between 2.0.36 and 2.2.2-ac7.
> > (another option would be that the ICMPs returned on the SYN packets from
> > 2.2.2-ac7 (with all those TCP options) get garbled in a different way
> > than the simpler 2.0.36 SYN packets ...)
> 
> Yes, I see the reason. Router is not broken, it is my routers that
> are too good to see this bug. 8) Patch is appended.

Woo, another bug. Forgot to increase IcmpInErrors.
> +             if (!no_flags && !th->syn && !th->ack)
>                       return;
                {
                        icmp_statistics.IcmpInErrors++;
                        return;
                } 

instead. 

Thanks for spotting that nasty.


-Andi

-- 
This is like TV. I don't like TV.
-
To unsubscribe from this list: send the line "unsubscribe linux-net" in
the body of a message to [EMAIL PROTECTED]