[75312] in North American Network Operators' Group
Re: How to Blocking VoIP ( H.323) ?
daemon@ATHENA.MIT.EDU (Joel Jaeggli)
Thu Nov 11 10:50:50 2004
Date: Thu, 11 Nov 2004 07:48:58 -0800 (PST)
From: Joel Jaeggli <joelja@darkwing.uoregon.edu>
To: Joe Shen <joe_hznm@yahoo.com.sg>
Cc: NANGO <nanog@merit.edu>
In-Reply-To: <20041111114029.70937.qmail@web53602.mail.yahoo.com>
Errors-To: owner-nanog-outgoing@merit.edu
I don't imainge that most voip is h.323 anymore.
On Thu, 11 Nov 2004, Joe Shen wrote:
>
> Hi,
>
> How could it be done to block VoIP at access router?
>
> I've thought about using ACL to block UDP port
> 1719,but this could be overcome by modifying protocol
> port number.
>
> regards
>
> Joe
>
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Joel Jaeggli Unix Consulting joelja@darkwing.uoregon.edu
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