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From: Martin Bednar <martin@serafean.cz>
To: Perry Thompson <contact@ryper.org>
Cc: netfilter@vger.kernel.org
Subject: Re: recent module in nftables
Date: Fri, 28 Jul 2017 21:57:25 +0200	[thread overview]
Message-ID: <1889595.mTRbqK2Shg@ged> (raw)
In-Reply-To: <20170727155959.758138ab@lustre.ryper.org>

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On Thursday, 27 July 2017 22:59:59 CEST Perry Thompson wrote:
> Hello all,
> 
> It may be way to early to ask this question, but I thought I might as
> well see if anyone has any information on it.
> 
> Will the "recent" module or an option with a similar function be
> introduced into nftables in the future? Are there any plans to create
> something like this? It has always been a very good tool for keeping
> bad IPs from touching my system.

I think flow tables might fit the bill.
https://wiki.nftables.org/wiki-nftables/index.php/Flow_tables

I use them for filtering out SSH connection attempts, by allowing 3 SYN packets 
per minute.

tcp dport ssh ct state new flow table ssh { iif . ip saddr . tcp dport timeout 
1h limit rate 3/minute}  accept


Cheers

Martin.

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  parent reply	other threads:[~2017-07-28 19:57 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-07-27 20:59 recent module in nftables Perry Thompson
2017-07-27 21:46 ` /dev/rob0
2017-07-27 22:18   ` James
2017-07-28 19:57 ` Martin Bednar [this message]
2017-07-30 23:32   ` Perry Thompson

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