Great Circle Associates Firewalls
(July 1994)
 

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Subject: Re: 3Com router filtering
From: Brent Chapman <brent @ mycroft . GreatCircle . COM>
Date: Mon, 11 Jul 1994 19:40:54 -0700
To: brian @ lloyd . com (Brian Lloyd)
Cc: firewalls @ greatcircle . com
In-reply-to: Your message of Mon, 11 Jul 94 15:01 PDT

brian @
 lloyd .
 com (Brian Lloyd) writes:

# The current release of 3Com router code allows you to specify the offset
# from the beginning of the current header.  For instance, if the filter is
# to be applied to a TCP header, the offset specified is from the beginning
# of the TCP header and not from the beginning of the whole transmission
# unit.  This will continue to work properly even in the presence of IP
# options.

Do the current 3Com products still have limits (very small limits, as
I recall) on the number of filters that may be applied on each
interface?


-Brent
--
Brent Chapman         | Great Circle Associates  | Call or email for info about
Brent @
 GreatCircle .
 COM | 1057 West Dana Street    | upcoming Internet Security 
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