Firewalls have become the Internet equivalent of a condom. “Don’t have hex without a firewall!” is the mantra for every security issue, from keeping out crackers to minimizing the threat of Melissa.

im trying to start learning a little about tcpip and i just want to make sure i understand things are only sent to and received in ports, not sent from them, right? if i am sending a syn http request, ...

In case your router blocks the random port used by Skype to receive incoming connections, you must manually forward ports 80 and 443, allowing Skype to connect to other clients via TCP. All newer ...

My copy of Zone Alarm (personal firewall) recently put up an alarm that said XXX.XXX IP address is trying to FTP into this port and that it had denied access to it. When I checked my open ports by ...