I saw Interstellar earlier this year, and this quote sat with my perfectly. https://www.youtube.com/watch?v=6CONoqEhcu0 Do not go gentle into that good night, Old age should burn and rave at close of day; Rage, rage against the dying of the light. Though wise men at their end know dark is right, Because their words had forked no lightning they Do not…

Today I came across an interesting case when troubleshooting an access list. The device was a Cisco 1921 which had an access list defined to permit certain hosts' incoming traffic from the outside to an FTP server. What was interesting is that the access list only contained permit statements (apart from the implicit deny at the end), but traffic from…

I've been thinking about my fitness quite a bit over the past few months. I'd always say as a teenager "I don't understand how people get fat. If they see themselves getting fat, do something about it!". It's easy to say that as a teenager when you can literally eat anything you want and not have to worry about stacking it…

Below is a short sequence describing the steps an ASA takes when authenticating VPN users. First, the user initiates a connection to the ASA. The ASA is configured to authenticate that user with the Microsoft Active Directory (AD)/LDAP server. The ASA connects to the LDAP server with the credentials configured on the ASA (ASAusername in this case), and looks up the user provided username.…