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Re: icq
- To: Alex Shnitman <alexsh(at-nospam)hectic.net>
- Subject: Re: icq
- From: "Eran R." <tcg(at-nospam)thegod.ath.cx>
- Date: Sun, 15 Apr 2001 18:03:54 +0300 (IDT)
- Cc: <linux-il(at-nospam)linux.org.il>
- Delivered-To: linux.org.il-linux-il@linux.org.il
- In-Reply-To: <20010415175148.B17858@mangodsp.com>
- Sender: linux-il-bounce(at-nospam)cs.huji.ac.il
The firewall probably keeps its on DNS cache for having better
performance, but this surely hurts the performance..
Eran.
On Sun, 15 Apr 2001, Alex Shnitman wrote:
> Hi, ishaybas!
>
> On Sun, Apr 15, 2001 at 04:59:37PM +0200, you wrote the following:
>
> > Some firewalls (checkpoint) allow you to block by dns domain name.
> > you just block all traffic to .icq.com, .mirabilis.com, end of story.
>
> Does this mean that for every packet that goes through the firewall,
> it runs a DNS reverse lookup to find the hostname of the destination?
> I just wonder what kind of performance this firewall delivers.
>
> Sounds very strange to me.
>
>
> --
> Alex Shnitman <alexsh@hectic.net>
> http://alexsh.hectic.net/ UIN 188956
> PGP 0xEC5D619D / E1 F2 7B 6C A0 31 80 28 63 B8 02 BA 65 C7 8B BA
>
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