Great Circle Associates Firewalls
(April 1997)
 

Indexed By Date: [Previous] [Next] Indexed By Thread: [Previous] [Next]

Subject: Re: Can firewalls handle MBONE (ip multicast) traffic?
From: Denis Golubev <dlg @ jet . msk . su>
Date: Thu, 17 Apr 1997 10:13:35 +0400
To: firewalls @ greatcircle . com
In-reply-to: Your message of "Wed, 16 Apr 1997 11:43:35 PDT." <3 . 0 . 32 . 19970416114333 . 009f2600 @ gaia . dataway . com>

> Hi,
> 
> Any idea if firewall products can generally deal properly with ip multicast
> traffic like the MBONE?  I've visited websites for Checkpoint(FW1), Pix
> (cisco), Raptor, and TIS, and have been unable to find any information
> regarding their support for ip multicast.  I figure it's either "obvious"
> that they support it and therefore not worth mentioning, or they don't
> support it and don't want to call attention to that deficiency.
> 
> Thanks for any hints,
> -mat.
> 
> 
> |.......|......|.....|....|..o..|....|.....|......|.......|
> 
> mathias kolehmainen
> ripper @
 dataway .
 com
> 
>               ninewood  http://www.roomfullaspies.com/9wood
>        public key  http://www.roomfullaspies.com/pgpkey.asc
> 

   Checkpoint FW1 block all multicast traffic just started. Multicast should 
be described as network 224.0.0.0 with netmask 240.0.0.0 and "allow broadcast".
But it's dirty trick only to accept multicast messages on some FW-1's 
interfaces. 

Sorry, I have no info about Raptor and Pix.
Gauntlet ( TIS ) is a set of application proxies, which do not support
multicast ( IMHO ).

Best regards,

Denis

---------------------------------
Denis Golubev, Moscow, Russia
Jet Infosystems Technical Staff
Phone: (+7 095) 973-48-48	E-mail: dlg @
 jet .
 msk .
 su
Fax:   (+7 095) 973-48-42




References:
Indexed By Date Previous: (slightly off-topic) chrooted enviroment
From: Eric <eric @ europa . glo . be>
Next: Re: Can firwalls handle MBONE traffic
From: "M Gillett" <mgillett @ sghms . ac . uk>
Indexed By Thread Previous: Re: Can firewalls handle MBONE (ip multicast) traffic?
From: Frederick M Avolio <avolio @ tis . com>
Next: Re: Can firewalls handle MBONE (ip multicast) traffic?
From: Ryan Russell/SYBASE <Ryan . Russell @ sybase . com>

Google
 
Search Internet Search www.greatcircle.com