Heavy UDP port 137 scans today?

Mike Iglesias iglesias at draco.acs.uci.edu
Sun Sep 29 01:17:04 GMT 2002

We've seen a dramatic increase in UDP port 137 scans of our campus, starting
last night (Friday) around 5:30pm PDT.

The number of unique IPs scanning us on UDP ports has been around 5-25
for the last two weeks, until yesterday when it hit 870 and so far
today it's around 3200 IPs that have hit us with scans (almost all of
them against port 137).

Is anyone else seeing this?

Mike Iglesias                          Internet:    iglesias at draco.acs.uci.edu
University of California, Irvine       phone:       949-824-6926
Network & Academic Computing Services  FAX:         949-824-2069

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