Brainbump.net has an excellent and very complete how to emulate ASA using just the following components:
- Ubuntu 9.10 – 32 bit Edition
- GNS3 v0.7 RC1 tgz
- Dynamips 0.2.8-RC2 binary for Linux x86 platforms
- Qemu-0.11.0 tar.gz
- Qemu-0.11.0 Patch
- ASA Binary Version 8.0(2) – (asa802-k8.bin)
How-to is divided in 3 video tutorial parts for easy understanding and start with the most basic installation on GNS3 under Ubuntu 9.10 and continue with the actually configuration on the emulation.
If you are interested in security or you just want to test ASA and don’t have access to real hardware you definetely will want to try Brainbump.net tutorial.