I've noticed a few times each day that a machine running the agent causes a UDP 
flood to the OSSEC server.

any ideas why this might be happening. I know  because my Juniper 5gt reports 
it. The agent machine is a very active webserver that does not contain any root 
kits nor has it been compromised in any way.

any ideas why this mihgt be happening.

a typical burst looks like this:

[00001] 2011-03-22 21:08:07 [Root]system-alert-00012: UDP flood! From 
192.168.1.42:35634 to nn.nn.241.39:1514, proto UDP (zone Trust, int trust). 
Occurred 3 times.
[00002] 2011-03-22 21:08:06 [Root]system-alert-00012: UDP flood! From 
192.168.1.42:35634 to nn.nn.241.39:1514, proto UDP (zone Trust, int trust). 
Occurred 1585 times.
[00003] 2011-03-22 21:08:05 [Root]system-alert-00012: UDP flood! From 
192.168.1.42:35634 to nn.nn.241.39:1514, proto UDP (zone Trust, int trust). 
Occurred 2547 times.
[00004] 2011-03-22 21:08:04 [Root]system-alert-00012: UDP flood! From 
192.168.1.42:35634 to nn.nn.241.39:1514, proto UDP (zone Trust, int trust). 
Occurred 4122 times.
[00005] 2011-03-22 21:08:03 [Root]system-alert-00012: UDP flood! From 
192.168.1.42:35634 to nn.nn.241.39:1514, proto UDP (zone Trust, int trust). 
Occurred 2897 times.
[00006] 2011-03-22 21:08:02 [Root]system-alert-00012: UDP flood! From 
192.168.1.42:35634 to nn.nn.241.39:1514, proto UDP (zone Trust, int trust). 
Occurred 2521 times.

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