Hello, world! I’m the first contributor that Jimmy has brought on to help flesh out nat0.net a bit. I’m Henrik, a thirty-something (I’m milking the term now, as my 40th birthday is 29 days from now…) married man in…
Cisco ASA hairpinning
Cisco Pix/ASA hairpinning The term hairpinning comes from the fact that the traffic comes from one source into a router or similar devices, makes a U-turn and goes back the same way it came. Visualize this and you see something that looks like a hairpin. Hairpinning is only relevant when the firewall is in routed mode since the "turnaround" of Continue Reading →
Cisco ASA Anyconnect licensing for dummies, updated!
The picture below should be self-explaining. Click it for a larger version. Edit 2014: There was some errors in the logics around AEA-licenses. The picture below is now corrected. Please do not use the old version (v1.1). Let me explain this. First of all, Advanced Endpoint Assessment (AEA) is a feature where you can do advanced posture checks Continue Reading →
