Slash notation for subnet masks quick reference

One thing I can never remember quickly is slash notation, it is not difficult but I just can’t seem to remember it quickly!  So here is a quick reference guide.  In slash notation, a single number indicates how many bits of the IP address identify the network the host is on. A netmask of 255.255.255.0 [...]

RSA Authentication Agent and SID800 Tokens

I have recently implemented a RSA SecurID infrastructure to provide secure two-factor authentication over both local login to servers and workstations and also EAP VPN authentication.  This was initially using SID700 tokens and worked brilliantly.  Since then we have purchased a number of SID800 tokens which have USB connectors built-in to automatically passthrough the code [...]

VPN using a Linksys WAG200G

Recently I have been configuring a Linksys WAG200G router to allow VPN access inbound.  Everytime it attempted to make a connection it would return Error 721.  After a chat with Linksys Tech Support they sent me through some updated firmware that is not available on their website.  So if you encounter inbound VPN issues with [...]