 - A virtual private network (VPN)is a way to use a public telecommunication infrastructure, such as the Internet,to provide remote offices or individual users with secure access to theirorganization's network. A VPN works by using the shared public infrastructurewhile maintaining privacy through security procedures and tunneling protocolssuch as the Layer Two Tunneling Protocol (L2TP). In effect, the protocols,by encrypting data at the sending end and decrypting it at the receivingend, send the data through a "tunnel" that cannot be "entered" by data thatis not properly encrypted. An additional level of security involves encryptingnot only the data, but also the originating and receiving network addresses.
Aguide to VPNs
By setting up a virtual private network (VPN), you can access your corporatenetwork from anywhere that you have access to an Internet connection.
Canyou tell me a bit about future perspectives and plans on VPN technologies?
Many market analysts expect to see MPLS and SSL eat into the IPSEC market,but we will probably see all three kinds of VPNs being used for many yearsto come.
VPNfor smaller offices
In looking at lower-cost VPN alternatives, it's important to look at the entire picture -- much of the cost of VPNs comes from the ongoing management.
Hardwarevs. software-based VPNs for small office
I am trying to find information on setting up a VPN for small offices (upto 20 users). Specifically, is a Microsoft-based VPN as secure as a hardware-based VPN?
Howdo I install my own VPN? (free registration required)
The plethora of turn-key, appliance-like VPN solutions marketed to the small-and home-office crowd makes knowing what components you need to buy moredifficult than installing them.
ExpertWebcast - Build-It-Yourself VPNs (free registration required)
Learn about the management challenges, ease of use issues and differences in supported applications for traditional IPsec versus Web-based approaches.
Whatare the top 10 VPN clients in use today?
Expert Lisa Phifer provides an answer.
What'sall the hype about VPNs?
For some organizations, with complex network requirements, the benefits ofVPNs far outweigh the costs of configuration and maintenance. Still other organizations, lacking sufficient in-house networking expertise, find thatoutsourcing provides a good solution.
Isan SSL VPN a better choice for my small business than an IPsec VPN?
A study from Infonetics research finds that Secure Sockets Layer (SSL)virtual private networks (VPNs) are poised to fill a market niche not coveredby traditional Internet Protocol Secure (IPsec) VPNs.
ShouldI use a hardware or software VPN?
Using an existing Windows NT/2000/2003 box as your VPN gateway is tempting to those who already have a spare PC and Windows software and some experience in administering Windows. So why do so many businesses buy a hardware firewall/VPNappliance instead of using Windows as their VPN gateway?
Whatis the difference between VPN and VPN pass-through?
This is an excellent question because it confuses a lot of folks who don'tknow much about the inner workings of VPNs.
Risksof logging into VPN via a remote wireless router
My company has a Cisco PIX Firewall. We have several users who have wireless routers (Linksys) at home and log in to the VPN over them. What risks are we exposed to at the company?
TacklingVPN security
With this latest round of worms it became apparent that our biggest exposure was NOT our front door (the firewall), but rather the back door (laptops broughtin from vendors/home, VPN users without firewalls). How are most organizationstackling the issue of protecting those devices?
Related Questions:
Whatis a good low end cost VPN router?
Arethere are any VPN clients for Mac OS X that support L2TP?
Whereshould the VPN terminate?
Whatport connections are used by VPNs?
CanI run VPN and company Web site on same server?
Howcan I help users increase their speed on the VPN?
Howcan I have two VPN clients on one machine?
| LAST UPDATED: |
30 Jul 2004
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