Any one have procedure to installation of ASA firewall in GNS3. I am not able to work with ASA in GNS3, step by step pictorial representation will be helpful for me to work with ASA firewall. Cisco Community. IOS files for GNS3. You can download GNS3-initrd.gz Firewalls' IOS files for GNS3 from here. ASA802-IOS Initrd.gz.

This tutorial is outdated. New tutorial can be found at http://www.tectut.com/2015/12/how-to-setup-cisco-asa-in-gns3/ . It is our new blog :-)
Today, I would like to share how to setup ASA 8.4 Firewall on GNS3.

[1] Download asa image for GNS3

Cisco Asa Firewall Ios Download

here is the link :- http://www.mediafire.com/download/c228c2sjdyrkwf3/ASA_842.7z
This file contain with initrd, vmlinuz and asdm 6.4
In any case above link is not working use below alternative link to download the file :-
link 1 :- http://ge.tt/9RjhgNs/v/0?c
link 2 :- https://www.box.com/s/3fybjit5jsudhwyvqwz8

[2] Download & Install GNS3

You can download latest version from
http://www.gns3.net/download/
or
http://sourceforge.net/projects/gns-3/files/GNS3/

[3] Configure GNS3 for ASA

go to 'Edit' --> 'Preferences...'
On 'Preferences' window, select 'Qemu' and then choose 'ASA' from the tabs
Fill the ASA setting & ASA Specific Settings as below . Screen capture is attached for your reference.

Gns3 Cisco Image Download

Qemu Options & Kernel cmd line is important

Cisco Router Ios For Gns3

Identifier name : ( you can give any name )
RAM : 1024MB ( at least 1024MB)
Qemu Options : -vnc none -vga none -m 1024 -icount auto -hdachs 980,16,32
Kernel cmd line : -append ide_generic.probe_mask=0x01 ide_core.chs=0.0:980,16,32 auto nousb console=ttyS0,9600 bigphysarea=65536
Click ' save ' and then 'OK' and exit form that window.
drag and drop ASA firewall into work enviroment and run, It may take some time to boot please be patient !

[4] Configure activation keys

you can use one of below activation key
0x4a3ec071 0x0d86fbf6 0x7cb1bc48 0x8b48b8b0 0xf317c0b5
0xb23bcf4a 0x1c713b4f 0x7d53bcbc 0xc4f8d09c 0x0e24c6b6
for example :-

Cisco Asa Firewall Ios Image For Gns3

ciscoasa#conf t
ciscoasa(config)#activation-key 0x4a3ec071 0x0d86fbf6 0x7cb1bc48 0x8b48b8b0 0xf317c0b5

Ios Image Download

ciscoasa(config)#wr
ciscoasa(config)#exit
now it is done.