sites use hardened Linux or Unix servers. Unfortunately, a fair number of "Mom and Pop" sites use IIS, though a surprisingly high percentage
do use Linux. For this reason, before giving my credit card to a new web merchant I always do:
nmap -O -sS -F -P0 -T Aggressive newguy.com
and require that all ports show as closed or filtered except for 80, 443, and, possibly, 25 and 22, and that the Operating System is not Windows."
Citavu pricu procitajte ovde :
by the software available.
On Unix, I am limited only by my knowledge.
--Peter J. Schoenster