VPN tunnel strategy - defining the connection order between various tunnel types

Hello Customers,   As I wrote in this blog, there are four types of VPN tunnel supported by Windows 7 based VPN clients. In this blog I will focus on following things: how do you configure tunnel types on the client, how to decide on the tunnel type order while establishing connection, …   Lets…

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Do we still need PPTP & L2TP/IPsec after Windows 7

Hi Folks, Our team member Samir Jain has posted a nice blog on how you should decide which tunnel to use/deploy for your scenario. The details for the same are given at which tunnel to use. In this blog, I would like to understand further on a possibility of deprecating PPTP & L2TP/IPsec VPN tunnels going forward – i.e. after Windows…

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Different VPN tunnel types in Windows - which one to use?

Hello Folks,   I am sure you must have experienced VPN reconnect – a new IKEv2 based VPN tunnel that is added in Windows 7 that allows automatic and seamless switchover of an active VPN connection when the underlying Internet interface (connection) changes thus maintaining application persistence. Isn’t that COOL – like VPN user moving…

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Verification of Additional Fields in Peer Certificates during IKE Negotiation in Windows Vista for L2TP/IPSec Tunnel Connections

In Windows Vista IKE Layer authentication for L2TP/IPSec tunnel connections using machine certificates has been strengthened by verifying additional fields in the certificate presented by the peer during the IKE negotiation apart from validating thatthe certificate chains to the correct root certificate specified in the IPSec policy. These additional checks are 1. Verification that subject-alternative-name…

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