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Question on IIS servers and reverse lookup Mar 09 2005 10:41PM
Maxime Ducharme (mducharme cybergeneration com)

Hi to the list

We are running a new iptables firewall with
restrictives policies.

I just noticed that sometimes (between 1 an 4 packets per
weeks), our IIS 5.0 server try to send NetBIOS name
query on foreign IPs.

Here is a hex dump of that packet :

11:44:56.495348 x.x.x.x.netbios-ns > 211.40.x...

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