Keeping the internet out is only the beginning of what my firewall does.

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 ...

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 ...

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 ...

Maker, meme-r, and unabashed geek, Joe has been writing about technology since starting his career in 2018 at KnowTechie. He's covered everything from Apple to apps and crowdfunding and loves getting ...

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 ...

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 ...

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 ...

VLANs keep your network safe from untrustworthy devices, but the wrong setup can backfire ...