Hi all,
Today I need some help with my Sonic Firewall setup. To see a diagram of
our network please visit www.itzone.co.za.
Sonic firewall
--------------
Nat/Wan interface: 195.194.68.15
Lan interface: 10.0.0.1, 195.194.68.2
Routes: 195.194.68.0 255.255.255.0 195.194.68.1*
10.77.0.0. 255.255.0.0 195.194.68.1
10.22.0.0 255.255.0.0 195.194.68.1
10.66.0.0 255.255.0.0 195.194.68.1
10.55.0.0 255.255.0.0 195.194.68.1
10.110.0.0 255.255.0.0 195.194.68.1
Access: WAN -to- Lan Ports
* - 195.194.68.8 113 auth
* - 195.194.68.8 25 smtp
* - 195.194.68.8 80 OWA
* - 195.194.68.8 135 RPC/Endpoint
mapper.
Cisco Router/195.194.68.1/10.44.0.1
--------------------------------------
Routes: Routes the 10.77,10.22,10.66,10.55,10.110 traffic to
corresponding Serial interfaces.
The problem that I have is that I can send emails but I am unable to recieve
any emails. When I remove the firewall the email works perfectly. When I
have a look at the firewall log file it says that packets from internet
hosts *.*.*.* to my mail server 195.194.68.8:25 is being dropped. This show
quite clearly that it is SMTP traffic that is not being allowed through. I
cant understand why as I have setup access through port 25. My mail server
is MSX 5.5 and I am using Internet Mail Service (IMS) as my only mail
connector.
Is there anything I am forgetting here??
Any help would be appreciated
TIA
Conrad Ferreira
MCSE+CCNA
-----Original Message-----
From: Claussen, Ken [mailto:[EMAIL PROTECTED]]
Sent: 12 March 2002 12:58
To: Conrad Ferreira
Subject: RE: Sonic Wall Firewall
220 exchange2.CANDI.AC.UK ESMTP Server (Microsoft Exchange Internet Mail
Service
5.5.2653.13) ready
When I telnetted to the source of this email in the header I received
this. I do not have time myself (5 minutes late already) but check this
document from Microsoft,
http://support.microsoft.com/directory/article.asp?ID=KB;EN-US;Q153119&L
N=EN-US&rnk=3&SD=tech&FR=1&qry=smtp%20troubleshoot&src=DHCS_MSPSS_tech_S
RCH&SPR=EXCH2K&
http://support.microsoft.com/directory/article.asp?ID=KB;EN-US;Q203204&L
N=EN-US&rnk=4&SD=tech&FR=1&qry=smtp%20troubleshoot&src=DHCS_MSPSS_tech_S
RCH&SPR=EXCH2K& (Watch for Wrap)
Ken Claussen MCSE CCNA CCA
"In Theory it should work as you describe, but the difference between
theory and reality is the truth! For this we all strive"
-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]] On Behalf Of Conrad Ferreira
Sent: Tuesday, March 12, 2002 6:41 AM
To: '[EMAIL PROTECTED]'
Subject: Sonic Wall Firewall
Hi all,
I am using a Sonic Wall Pro 200 firewall and I am having some difficilty
with my exchange server. I have set to allow ALL traffic in and OUT of
the
firewall. When I plugged the firewall into the network, everything
seems
ok. For some reason my exchange server is able to send external email
but
is unable to recieve any external email.
I am sure all my routing information is correct as I had no other
complaints
from any of the sites behind the firewall.
When going to sonic wall's website there is very limited information
about
exchange server. I am using exchange 5.5
TIA
Rgds
Willem Ferreira
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