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XP SP2 nmap incompatibility
From: Ian Hayes (Ian.Hayes
DPSI-INC.COM)
Date: Wed Aug 11 2004 - 10:56:21 CDT
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Installed XP SP2 yesterday. While the installation was lengthy but event-free, I did notice that nmap 3.55 stopped working correctly. I was in between scanning subnets here on the network, and installed SP2. After that, when I resumed my sweeps, I noticed that nmap was reporting that any host I tried scanning had all its ports filtered. I tried upgrading the Winpcap driver to the beta one, but that didn't improve things. I doublechecked my Windows Firewall settings and verified that it was set to OFF.
After removing SP2, I scanned a host with a known configuration and nmap correctly identified the open ports and what OS it was running.
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