Firewall-1

[FW-1] CP NG Secure Remote NG client and MSExchange access

Subject: [FW-1] CP NG Secure Remote NG client and MSExchange access
From: David Walker <DWalker AT MERKLENET DOT COM>
To: FW-1-MAILINGLIST AT AMADEUS.US.CHECKPOINT DOT COM
Date: Fri, 20 Jun 2003 07:43:18 -0400
Group,

Yesterday I upgraded the FW to CP NG FP3 from 4.1.  For the most part,
everything went well.  However, we are having a slight issue with our remote
users who are using the Secure Remote clients.

For our users that upgraded to the Secure Remote NG client, they can reach
everything as before, except the email server (Exchange).

For our users who did not upgrade and are still using the Secure Remote 4.1
flavor of client, they can get to the email server, but nothing else.

Now, the email server has a static NAT thru the FW as before and our users
have a WINS address configured.  When logged on to the VPN, they can ping
internal host by name like george, 10.10.10.5 or ralph, 10.10.10.6, but when
they try to ping the emailserver, 10.10.10.7, the replies are that of the
NATd address 129.57.33.5.  However, if you use the IP address of the email
server, 10.10.10.7 to ping, you get replies from it.  Since exchange looks
for a name to connect to, it isn't liking the external IP of the email
server.  The quick fix is just to add an entry into everyone's windows host
file, 10.10.10.7  emailserver.  But, my manager isn't liking that solution.

Any thoughts, do I need to open something else up for Exchange to work with
the SR NG clients?

Thx,
David

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