October 2012
M T W T F S S
1234567
891011121314
15161718192021
22232425262728
293031  

Categories

October 2012
M T W T F S S
1234567
891011121314
15161718192021
22232425262728
293031  

IPTables “Stealth” Scan Detection

Many of you probably know about port scanning. It’s a very simple process, where essentially you attempt to to make a connection on several ports of several machines. If the port is closed, a reset is returned. If the port is open, a SYN+ACK is returned.

Now, there are some other types of scans, such […]