Dear guys
right now we are having 80 servers and which are running diffrent application.
this server are now going to be shifted behing firewall
and for firewall configuration i want to now which port should i permit for this application
question
How can i now which application is using which port for all this 80 server?
is there any tool or software plz let me now it giving me big headake
plz let me out of this.
thanks