netdev - Re: [PATCH v3] net: ip, diag -- Add diag interface for raw sockets

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Date:   Thu, 15 Sep 2016 17:45:02 -0600
From:   David Ahern <dsa@...ulusnetworks.com>
To:     Eric Dumazet <eric.dumazet@...il.com>,
        Cyrill Gorcunov <gorcunov@...il.com>
Cc:     netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        David Miller <davem@...emloft.net>, kuznet@....inr.ac.ru,
        jmorris@...ei.org, yoshfuji@...ux-ipv6.org, kaber@...sh.net,
        avagin@...nvz.org, stephen@...workplumber.org
Subject: Re: [PATCH v3] net: ip, diag -- Add diag interface for raw sockets

On 9/15/16 4:48 PM, Eric Dumazet wrote:
> On Fri, 2016-09-16 at 00:01 +0300, Cyrill Gorcunov wrote:
> 
>> Here I get kicked off the server. Login back
>>
>> [cyrill@...nus ~] ssh root@...7 
>> Last login: Thu Sep 15 23:20:42 2016 from gateway
>> [root@...7 ~]# cd /home/iproute2/
>> [root@...7 iproute2]# misc/ss -A raw
>> State      Recv-Q Send-Q                                Local Address:Port                                                 Peer Address:Port                
>> UNCONN     0      0                                                :::ipv6-icmp                                                      :::*                    
>> UNCONN     0      0                                                :::ipv6-icmp                                                      :::*                    
>>
>> Maybe I do something wrong for testing?
> 
> If you kill your shell, maybe /root/sock is killer as well, thus its raw
> sockets are closed.
> 
> Try to be selective in the -K , do not kill tcp sockets ?
> 
> 

I am running
   ss -aKw 'dev == red'

to kill raw sockets bound to device named 'red'.