Firewalls: Inbound ICMP

Firewalls
(April 1996)

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Subject:	Inbound ICMP
From:	Eric Wieling <ewieling @ hephaestus . icorp . net>
Date:	Wed, 24 Apr 1996 16:35:05 -0500 (CDT)
To:	Firewalls @ GreatCircle . COM

What types of ICMP packets should be allowed in via our Cisco 2501
router to the greater internet?

I assume that things like port-unreachable, etc should be. Does
anyone have a list of the impact of filtering various types of of
these packets?

-Eric
-- 
Eric Wieling
Network Operations Center
Inter Commerce Corporation
Technical Support: 504-525-1868
Administrative: 504-585-7303

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Re: Inbound ICMP
From: Luis de la Rosa <louie @ arsnet . com>

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