Like most Linux users, I started out using a simple Bash script to configure the firewall policy on my Linux machines. Eventually, I got tired of writing the same code over and over again, so I ...

Your router's parental controls don't work.

Mike Chapple is a teaching professor of IT, analytics and operations at the University of Notre Dame. Network firewalls are one of the mainstay security controls that organizations rely on to protect ...

After years of use, the rule bases that drive your network firewalls get unwieldy — clogged with expired, obsolete, duplicative and conflicting policies. For better performance, stronger security and ...

I'm looking to create a rule or combination of rules in Windows Firewall on Win 7 (and possibly Win 8 and/or 10) that will allow connections for a specific program on a specific port only for specific ...

Network firewalls are one of the mainstay security controls that organizations rely on to protect their networks. These sentinels stand guard at the network perimeter and screen the packets entering ...

Two research studies have shown there is a direct correlation between firewall rule set complexity and the likelihood of configuration errors. One study shows most firewalls are badly configured and ...

Mike Chapple is associate teaching professor of IT, analytics and operations at the University of Notre Dame. Does your firewall rulebase remind you of that drawer in your kitchen where you throw all ...

Small business network administrators can manage the company's firewall policies through the Windows Firewall with Advanced Security management console available in the domain controller server. With ...

This week we tackle another reader question, “I’m still confused and often aren’t sure whether or not to allow my firewall to disarm. And does it reinstate alone or what should I do next?” A firewall ...