NDR attack
- From: "Thomas W Shinder" <tshinder@xxxxxxxxxxx>
- To: "[ISAserver.org Discussion List]" <isalist@xxxxxxxxxxxxx>
- Date: Fri, 6 Aug 2004 13:38:56 -0500
Hey guys,
I was looking at my firewall logs yesterday and noticed a big increase
in my Firewall service logs. Started running it down and the logs shows
a ton of DNS and SMTP traffic coming from my outbound relay. We'll
wouldn't you know it, it wasnt' even the ISA firewall's fault :-)
You might want to this out and disable sending NDRs. Fixed the problem
for me.
MAPILab.Com - Articles:
http://www.mapilab.com/articles/ndr_spam_attack.htm
HTH,
Toml
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