Hi, we have cisco ASA 5505 FW running in our production environmentand OS version is 8.04. Since we are upgraded the IOS from 7.2 into 8.04, we have been experiencing a strange issue i.e. our production web servers are placed at DMZ zone and by natting its mapped with pubic IP. The http and https ports are opened for outside users to access the website and its working fine but sometimes users are facing an outage on webpage for couple of seconds but it works after 2 seconds. To invesigae the issue, I have installed the firewall log analyzer software and i am looking there are so many packets are being denied for internal web server which is really strange.
Can anyone explain why its happening or is it a bug of 8.04 release.