Emilia is right, standard IRC using port 6665, 6666, 6667, 6668, 6669, and
7000. However, that the old style, now they using Web base Java IRC then
you can't block because they using port 80 or assign by chat server. (i.e I
setup Java webbase IRC client using port 8080 which usually open for
browsing, that they other user can by pass access-list or firewall). You
can use Etherpeek to monitor which site users using most (you can download
trial version of Etherpeek for free).
Base on that you can block entire website/ip if they using Web base Java and
setup accesslist block port 6665-6669 and 7000.
Good Luck
----- Original Message -----
From: "Emilia Lambros" <[EMAIL PROTECTED]>
To: "SH Wesson" <[EMAIL PROTECTED]>; <[EMAIL PROTECTED]>
Sent: Thursday, August 24, 2000 6:11 PM
Subject: Re: Blocking IRC
> I think from memory, IRC servers also uses ports between 6666 and 7000 ..
> Its been a while since I used IRC, but I'm pretty sure it still operates
on
> those ports.
>
> Em
>
>
> ----- Original Message -----
> From: SH Wesson <[EMAIL PROTECTED]>
> To: <[EMAIL PROTECTED]>
> Sent: Friday, August 25, 2000 1:24 AM
> Subject: Blocking IRC
>
>
> > The port for Internet Relay Chat (IRC) is 194 for UDP and TCP. In fact,
> > after block TCP and UDP port 194, IRC traffic seems to be going through
> > still. However blocking that port does
> > block out much IRC traffic because IRC seems to be using random ports as
> > well such as 7000, 6000, etc.
> > Can anyone tell me how I can block out IRC traffic entirely. Any
> assistance
> > would be greatly appreciated. Thanks.
> > ________________________________________________________________________
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