denial of service attacks for H.225.0 call signaling using T

Lenny Tropiano Lenny_Tropiano at vtel.com
Fri May 1 09:48:23 EDT 1998


How many firewall products support H.323 proxies?  Do you know which ones?

---
Lenny Tropiano, Sr. Network Engineer // <Lenny_Tropiano at vtel.com>
VTEL Corporation, 108 Wild Basin Rd, Austin, Texas 78746
512-437-2681 (voice)
512-415-6214 (digital PCS) -or- <pager-lenny at icus.com>

-----Original Message-----
From: Mailing list for parties associated with ITU-T Study Group 16
[mailto:ITU-SG16 at mailbag.jf.intel.com]On Behalf Of Chris Purvis
WVdevmt-WS
Sent: Friday, May 01, 1998 4:20 AM
To: ITU-SG16 at mailbag.jf.intel.com
Subject: Re: denial of service attacks for H.225.0 call signaling using
T


>If you want to sell product to end users won't you have to take into
>consideration most of us are installing firewalls that by definition
>block udp?
This is what H.323 proxies are for.

Chris
----------------------------------------
Dr Chris Purvis - Senior Development Engineer, WAVE CC Software
Madge Networks Ltd, Wexham Springs, Framewood Road, Wexham, Berks.
Phone:+44 1753 661359  email: cpurvis at madge.com



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