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= Cisco ASA Firewall =
 * http://www.networksa.org/?p=298
 {{{
logging enable
logging timestamp
logging buffered warnings
logging buffer-size 65000
logging list acl-messages message 106023
 ##106023, which according to Cisco is always generated when an ACL denies a packet,
logging list acl-messages message 106023
logging monitor acl-messages
logging console acl-messages

 }}}
 * [[http://www.packetu.com/2009/10/09/traceroute-through-the-asa/|Traceroute through ASA]]
 * [[http://www.techrepublic.com/blog/networking/easy-packet-captures-straight-from-the-cisco-asa-firewall/1317?tag=rbxccnbtr1|ASA Packet capture]]
 * [[http://www.checkthenetwork.com/networksecurity%20Cisco%20ASA%20Firewall%20Best%20Practices%20for%20Firewall%20Deployment%201.asp|Cisco ASA Firewall Best Practices for Firewall Deployment]]
 * packet-tracer
=== QOS ===
 * http://brian-kayser.blogspot.com/2010/10/doing-asa-quality-of-service-qos.html
 * http://www.cisco.com/en/US/docs/security/asa/asa82/configuration/guide/conns_qos.html

== Capture ==
{{{
(on shell connection)
 conf t
 access-list 99 extended permit tcp any host 10.0.0.1 eq 25
Ctrl-Z
capture TEST int inside access-list 99 buffer 1024000

Then try the connection to the outside IP from the app server, once that fails, do a "show capture TEST"
(to disable, do "no capture TEST")
}}}
...