Outbound firewalls, or firewalls that only throw up alarms when a program on your machine tries to call out to the internet, are largely useless, according to our friends at How-To Geek. They don't ...

Your computer's firewall is a network security protocol that blocks unauthorized access from a local network or the Internet. The firewall allocates "ports" to programs that require network and ...

While brokers are usually not computer geeks, those who place cyber insurance can ask some basic questions to gauge their clients’ risk and figure out whether they overlooked a major security ...

In a TCP/IP network, a port is a number that identifies the type of network traffic. If an incoming or outgoing port is "open," packets with that port number are allowed into or out of the local ...

There are two schools of thought when it comes to the software firewall built into OS X. One school says that it’s not necessary. Firewalls prevent unapproved connections from opening ports on a ...

Our Cisco 2921 is blocking an specific UDP port outbound. The 2921 has the firewall enabled. So far I'm stumped - I've added an ACL to allow the traffic, created a user defined service and added that ...

Q: A company's network administrator needs to configure the network firewall to allow for Lync Online full functionality giving users the ability to use file transfers, audio and video, presence ...

Default deny.

Installing a firewall, configuring its rule-set, and letting it pass or deny traffic is not good enough. You also need to continuously monitor your firewall's log files. By reviewing your firewall ...