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Posted by John Clement on March 17, 2005, 5:12 pm
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Hi,
I've just installed a new MS Exchange server (we normally run Linux email
servers, so its all new to me), any how when I try to add my account on the
Exchange server to Outlook on my desktop the firewall drops it, it appears
to think its an attack. I've got a rule on the firewall that says allow any
from my_desktop to my_exchange, so I would have thought that rule would have
just let it through. The logged entry is below.
Does any one have any idea?
Thanks in advance,
jc
Number: 202646
Date: 17Mar2005
Time: 15:03:00
Product: SmartDefense
Attack Name: Dynamic Ports
Interface: eth3
Origin: my_firewall (public_ip)
Type: Log
Action: Drop
Service: 135
Source: my_desktop (priv_ip_subnet1)
Destination: my_exchange_server (priv_ip_subnet2)
Protocol: tcp
Source Port: 8432
Information: reason: tried to open a known service port,
protocol: tcp
port_svc: Remote_Storm
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