Firewalls check community requests, open up or near ports on the computer. They can be in essence the 1st echelon from the defense system. Style and put into practice a firewall program. At least try out something like netstat that also has permissions to close ports or warn on suspicious https://programming-project-help81492.angelinsblog.com/27793152/5-simple-statements-about-programming-homework-help-explained