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iptables help

Mornincupofhate
By Mornincupofhate
in Networking
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I'm looking to drop a string using this:

 

iptables -A INPUT -p udp --dport 65565 -m string --hex-string "|ffffffff55|" --algo bm -m limit --limit 50/s -j ACCEPT

 

the contents of a string is: FF FF FF FF 54

 

Would I add the spaces in between the FF's into the iptables command? Or would this work as of right now?

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