From: Leonardo Carneiro <lscarneiro@veltrac.com.br>
To: Marek Kierdelewicz <marek@piasta.pl>
Cc: "netfilter@vger.kernel.org" <netfilter@vger.kernel.org>
Subject: Re: blocking only https access
Date: Mon, 08 Jun 2009 14:23:06 -0300 [thread overview]
Message-ID: <4A2D48FA.1070503@veltrac.com.br> (raw)
In-Reply-To: <20090608191742.58ddfe8a@catlap>
Marek Kierdelewicz escreveu:
>> Hi everyone,
>>
>
> Hi,
>
>
>> I have readed a lot here in the list and in other places that i SHOULD
>> NOT use domain names in iptables, cause it will result in a dns
>> request to every packet that reachs that rule.
>>
>
> Not really. Domainname is resolved at the time of rule addition to a
> ruleset. Netfilter stores the destination address in numerical form.
>
> You can use CRON to restart firewall every night or even every hour.
> This would allow you to have the current server addresses in a
> ruleset.
>
>
Ok, tks Marek. I'll try this.
> Cheers,
> Marek Kierdelewicz
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prev parent reply other threads:[~2009-06-08 17:23 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-06-08 17:01 blocking only https access Leonardo Carneiro
2009-06-08 17:17 ` Marek Kierdelewicz
2009-06-08 17:23 ` Leonardo Carneiro [this message]
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