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RE: [FW1] Problems with ICMP filtering



Sebastian,

The reply packets are a different service, so you need to create a rule
allowing the reply packets in.  Typically it would be something like the
following:

Any -- Internal network -- dest-unreach, echo-reply, & time-exceeded (all
icmp) -- accept

Rick

_______________________________________
Rick Camp
Welsh Consulting 
31 Milk Street, Suite 805 
Boston, MA 02109TelFax 
[email protected] 
www.welsh.com


-----Original Message-----
From: Sebastian Vieira Uribe [mailto:[email protected]]
Sent: Thursday, September 07, 2000 8:17 AM
To: Firewall-1 Mailinglist
Subject: [FW1] Problems with ICMP filtering



Hi,

I am using FW-1 4.0 and i have ICMP disabled as (Before Last) in the
properties dialog.

I have a rule allowing any from  one of the internal networks and all
services work from this network except PING. If i try to ping any
address in another network i always get a timeout.

Anyone know what is happening here??

Regards,

Sebastian Vieira


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