Browsing All Posts published on »December, 2010«

RA VPN keepalives and timouts

December 13, 2010

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RA VPN timeouts 1. Session timeouts 2. IPSec SA lifetimes 3. ISAKMP lifetimes and Nat-T keepalive interval 4. Timeout in the group policy 5. DPD timeouts. 1. Session timeouts As the VPN may go through many Firewall till it reaches the VPN gateway it can happen that the session is broken before the timouts here […]

Isakmp keepalive and IPad and your ISP

December 7, 2010

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Have you already experienced that the VPN session times out without after some minutes on your IPad. No matter if the keepalive setting is reached or not, it will disconnect after some minutes. There is a document for IPads what the support regarding the IPSEC. Here ist the link: manuals.info.apple.com/en_US/Enterprise_Deployment_Guide.pdf (Page 68 – Certificate section.) […]

Linux tools and commands

December 1, 2010

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Under Linux we have a lot of apps and commands that can help us at work or to test something. Here I collected the tools and commands that I have already used or wanted to use, but up till now did not managed. Comments are welcomed if you know a better tool. Network generators tcpreplay […]