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RE: [FW1] ping




Allow the necessary protocals in/out depending on your security policy.

If you want to allow pinging outbound but not inbound, you'd do something
like this:

Note: The "!" means "negation of the object, etc..."

1 (internal_networks)  ->  !(internal_networks)  echo_request  Accept  <log
level>
2 (!internal_networks) ->  (internal_networks)   echo_reply    Accept  <log
level>

If you need to allow traceroutes and ping outbound, and none inbound:

add in: traceroute in rule 1
and in: destination_unreachable and time_exceeded in rule 2

  :)


Amin Tora
ePlus Technology
http://www.eplus.com

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-----Original Message-----
From: Hasan Övüç [mailto:[email protected]]
Sent: Tuesday, January 09, 2001 9:17 AM
To: [email protected]
Subject: [FW1] ping





	Hi, 

	I have a boring problem. When i delete icmp-proto from my policy ,
anyone "also me" from external network  do not communicate both firewall and
any machine of internal network. all services are unreachable, too.  Another
important point, any machine of internal network and firewall do not
communicate external network in any way. How do i solve this?

	Please help me. 

	Thanks.  

- Hasan


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