Openwall GNU/*/Linux - a small security-enhanced Linux distro for servers
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Date: Sat, 5 Mar 2011 22:17:20 +0300
From: Vasiliy Kulikov <segoon@...nwall.com>
To: owl-users@...ts.openwall.com
Subject: Re: vlan support broken?

Solar, Piotr,

On Sat, Mar 05, 2011 at 21:57 +0300, Solar Designer wrote:
> On Sat, Mar 05, 2011 at 04:39:37PM +0100, Piotr Meyer wrote:
> > 3. After applying Owl patch transfers on tg3 and e100 works as expected,
> >    but pinging from server to remote hosts works only, when selected
> >    packetsize (-s) is lesser than 1473 bytes.
> 
> That's curious.  Yes, I confirm that our non-raw ICMP socket mode of
> ping only works when the MTU would not be exceeded.  That is, on a clean
> install of Owl-current 2011/02/12, ping to external hosts over MTU 1500
> Ethernet only works for sizes up to 1472 bytes (which translates to
> exactly 1500 bytes with IP and ICMP headers).  1473+ doesn't work
> ("packet loss").

Indeed, there is a bug.  Traditional ping handles fragmented ICMP
replies, Owl's somehow ignores it.  This shouldn't happed.  I'll debug
it.

Thanks,

-- 
Vasiliy

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