netdev - Re: Possible networking regression in 3.6.0

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <1349082950.12401.669.camel@edumazet-glaptop>
Date:	Mon, 01 Oct 2012 11:15:50 +0200
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Chris Clayton <chris2553@...glemail.com>
Cc:	David Miller <davem@...emloft.net>, netdev@...r.kernel.org,
	gpiez@....de
Subject: Re: Possible networking regression in 3.6.0

On Mon, 2012-10-01 at 09:36 +0100, Chris Clayton wrote:
> 

>      0 ICMP messages received
>      0 input ICMP message failed.
>      ICMP input histogram:
>      0 ICMP messages sent
>      0 ICMP messages failed
>      ICMP output histogram:

> 
> After:
> 
> $ netstat -s
> Icmp:
>      4 ICMP messages received
>      4 input ICMP message failed.
>      ICMP input histogram:
>          echo replies: 4

So icmp replies come back and are delivered to host instead of being
forwarded.

I wonder if MASQUERADE broke...

Could you send

iptables -t -nat -nvL
conntrack -L   # while ping is running from guest



--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html