Network security expert Puneet Mehta is also on the ITKE. See Puneet's ITKE profile for his latest responses to security questions or view archived responses here.
How do VPN concentrators and network access servers (NAS) differ?
12 Jan 2009 EXPERT ANSWER - Find out if there's a difference between a virtual private network (VPN) concentrator and a network access server (NAS) in this explanation from our network security expert, Puneet Mehta.
What keeps unauthorized users from accessing my IP address/Internet?
12 Jan 2009 EXPERT ANSWER - Our network security expert explains how to keep unauthorized users from accessing your router's IP address for Internet access in this advice explaining how proxy servers can solve client control issues.
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