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RV042 and BLOCK SYN-FLOOD alert

Hi,

I'm analyzing the error log for my Cisco RV042 and found that shortly after the station with IP ...26 connected, the following alert apperared in my log.

--------------------------------------------------​----------------------

Thu Jul 22 11:21:07 2010
RGFW-IN: BLOCK-RULES (UDP 192.168.0.26:137->192.168.0.255:137 on ixp0) [1402,91881482]
Thu Jul 22 11:21:07 2010
RGFW-RATELIMIT: 1 messages of type BLOCK-SYNFLOOD reported 1 second

------------------------------------

I have another user, also sending the very same alert

What can I do

Thanks in advacnce,

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