Steve schrieb:
Le 07-05-2008, à 17:34:08 +0800, Abdul Bijur Vallarkodath (abdulbijur@gmail.com) a écrit :just my two pence.and my two centimes.* Change the ports of most ports like ssh, ftp, smtp, imap etc. from the default ones to some other ones.>From my poor understanding of security related issues, I guess this is totally useless since any (good) port scanner will defeat this without any problem. Remember, security by obscurity is a bad idea.
Used solely you are right, but used in addition to usual other securing mechanisms it can help against zero-day attacks, which only shoot exploits to well-known ports.