Nearly a month after a critical flaw in the Internet’s Domain Name System was first reported, vendors of some of the most widely used firewall software packages are scrambling to fix a problem that ...

If your computer won't connect to your network, diagnosing the precise problem can be difficult. Any number of factors, including the computer's own security measures, may be the culprit. An obtrusive ...

A firewall problem caused Tuesday's statewide outage of the 911 emergency system, public safety officials revealed Wednesday. The firewall is a safety feature that is intended to prevent cyberattacks ...

Microsoft has issued an apology after a recent Windows 11 update caused more problems instead of fixing them. The company admitted it mistakenly claimed a bug was resolved, only for the issue to ...

If you see the message Security or firewall might be blocking the connection following completion of Windows Network Diagnostics to determine what’s causing internet or network connection issues on ...

NSS Labs today is expected to say four out of five vendors — Palo Alto Networks, Juniper, Fortinet and SonicWall — whose firewall equipment it said was vulnerable to a hacker exploit have corrected ...

Nearly a month after a critical flaw in the Internet’s Domain Name System was first reported, vendors of some of the most widely used firewall software are scrambling to fix a problem that can ...

Some firewall software undoes a feature that was introduced in the DNS patches and could make it easier for attackers to pull off a cache-poisoning attack against the DNS server Nearly a month after a ...