Network Administration

Security

Four steps to secured VoIP

Securing Voice over IP (VoIP) doesn't have to be a challenge for small and medium-sized businesses (SMBs). VoIP is basically a phone call over the Internet. It offers the same promises - and pitfalls - as the Internet. The promises are cheap and easy communication over a readily available and...

Define server roles, counterattack zero-day threats

Zero-day exploits are an unsettling issue for any administrator who is concerned with security. A zero-day exploit is an exploit against a previously undiscovered and undocumented vulnerability. The problem with zero-day exploits is that you are trying to protect the system against security holes that may or may not even...

Harden your network services and contain zero-day threats

We all dread the thought of zero-day threats; they arrive and you have no vaccine for them. These exploits are all too common in recent months and years. Fortunately, there are some common sense steps you can take to harden your network layer against these threats....

Eliminate zero-day threats with virtual server technology

One solution when fighting zero-day attacks is to take advantage of virtual server technology. If you have several server roles that require a minimal amount of system resources, you could consolidate those roles onto a single physical server that is hosting multiple virtual servers. Doing so provides better security than...

Eight daily steps to a more secure network

While many companies have a 9-to-5 security staff, hackers don't punch a clock. However, your network can still remain secure in the 16 hours in-between - you just need to focus activities to provide maximum coverage for the network....