(sorry for my (filtered) english, rtfm

)
i use the firewall of XP on any serveur but i would like just specified the icmp echo on .. exemple the port 445,1025 etc..
so all port are filtered execpt for my server ftp , egg,ircd etc.
it's possible ??
other question: i would life parametre the firewall of XP by any command ms dos or again, by little code in c/cpp
so thx and sorry for my english