You may not have your HOME_NET and EXTERNAL_NET properly defined...
Joel
On Sep 28, 2005, at 9:36 AM, Hin wrote:
Hi Snorters,
A quick question on the below signature. From what I understand,
the below signature will detect the response traffic of a VNC
server, which means the source address of the alert should be where
the VNC server is, right?
What would the reason be if I see the VNC server in the destination
address field of the alert?
alert tcp $EXTERNAL_NET any -> $HOME_NET any (msg:"POLICY VNC
server response"; flow:established; content:"RFB 0"; depth:5;
content:".0"; depth:2; offset:7; classtype:misc-activity; sid:560;
rev:6;)
Hin
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