When it comes to protecting yourself online, there’s a lot of confusion. Between VPNs, two-factor authentication, antivirus software and firewalls, there are so many ways to protect yourself that it ...

Doug Bonderud is an award-winning writer capable of bridging the gap between complex and conversational across technology, innovation and the human condition. Firewalls have historically formed the ...

The risk of hacking attacks and network intrusions are facts of life for everyone who ventures online. Your system's firewall and its intrusion detection system both work to protect you against such ...

In light of the recent viruses/worms that have have shown up on our network, the administrator in charge of our two Unix servers wants to restrict access as to who can get to the servers via what ...

Can you explain the differences between a hardware and software firewall? From what I can gather, pretty much all routers come with built-in firewalls, so do I really need to install firewall software ...

I noticed one of my client's imminent deployment of Exchange connectivity infrastructure has a topology of: Exchange links -> router pair running HSRP -> IPS-> L2 Switches -> L3 routers -> firewall -> ...

A firewall is every bit as critical to security as an anti-virus program. Firewalls stop malware from spreading to a network and defend against hackers attempting to infiltrate a targeted system.

Is a firewall designed to catch spam, phishing emails etc., or is that the sole responsibility of a spam-filtering solution? I know with so-called UTM's the line between spam filter and firewall is ...

Personal firewall applications are the computing world's equivalent of car alarms. They're often intrusive and annoying, and sometimes even embarrassing to your neighbors -- but they're also ...

I was a little surprised when the Twitter-for-the-Enterprise service Yammer won the TechCrunch50 Best of Show award in 2008. Not because Yammer is a bad app or because I think the idea of a business ...