netdev - Re: [PATCH 02/38] netfilter: flowtables: use fixed renew timeout on teardown

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 for Android: free password hash cracker in your pocket

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

Message-ID: <2b757614-c824-cc1b-7ebb-925c2e963830@nbd.name>
Date:   Fri, 20 Jul 2018 15:20:58 +0200
From:   Felix Fietkau <nbd@....name>
To:     Pablo Neira Ayuso <pablo@...filter.org>,
        netfilter-devel@...r.kernel.org
Cc:     davem@...emloft.net, netdev@...r.kernel.org
Subject: Re: [PATCH 02/38] netfilter: flowtables: use fixed renew timeout on
 teardown

On 2018-07-20 15:08, Pablo Neira Ayuso wrote:
> From: Florian Westphal <fw@...len.de>
> 
> This is one of the very few external callers of ->get_timeouts(),
> 
> We can use a fixed timeout instead, conntrack core will refresh this in
> case a new packet comes within this period.
> 
> Use of ESTABLISHED timeout seems way too huge anyway.
It seems to me that this could easily break long-lived connections that
are idle most of the time.

- Felix