The proliferation of devices connected to the internet and the applications users want to run are beginning to squeeze the capabilities of Internet Protocol version 4 (IPv4) to its limit. Most new firewalls and routers are dual stack, supporting...
For example, firewalls used to protect corporate networks from viruses and worms do not recognise voice-signalling protocols. As a result, firewalls do not allow VoIP traffic to come into a corporate network from an outside network.
He advocates the use of application firewalls to check that, for example, communications coming into its Call Manager application are using the right signalling protocols. Before the overhaul, the company's network was badly hit by the Blaster worm...
There are plenty of IT vendors out there who spend their time worrying about all the dangerous activities that employees undertake as they interact with the outside world and the nasty content that can end up on PCs and servers as a result of this.
For example, companies can use such rights settings to limit who can forward or open certain email messages, reducing the risk of data loss, Gates said. But solutions to the challenges are beginning to emerge, both on the side of internet...
Learn about the most dangerous threats, dos and don'ts and special advice for how SMEs can protect their VoIP networks. Thirdly, firewalls do not need to be compromised as Skype doesn't require any additional inbound ports to operate, and the...
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