[X4U] System.log Entry Question: 2140 Deny UDP ...

[Rick Gordon]

My system.log shows hundreds of entries per day in one of the two forms shown below:

ipfw: 2010 Deny UDP 192.168.1.<MY_NODE>:5xxxx 192.168.1.255:137 in via lo0

OR

ipfw: 2140 Deny UDP 192.168.1.<MY_NODE>:24654 192.168.1.255:24654 in via lo0

In either case, I have eliminated the start of the strings, which show date/time, local computer name, and kernel[0].

What is the meaning of these entries? They seem benign enough, since they are all from my computers local IP number to the LAN broadcast address. There are occasional others -- also denied -- from various unknown addresses to my computer's local IP address. They are also listed with fields of 2140 Deny UDP, but some say "in via en0", instead of "in via lo0".

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RICK GORDON
EMERALD VALLEY GRAPHICS AND CONSULTING
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WWW:   http://www.shelterpub.com