Network Security

I am migrating ubuntu iptables to ASA and since I am not a linux/iptables expert I am having trouble following the nat rules. Can someone hook me up and convert the following for 8.4#$IPTABLES -t nat -A PREROUTING -i eth0 -p tcp -d 216.68.4.12 --dpor...

Hello,I have two identical ASA 5510's with SSM-10 IPS modules. One of the SSM-10 modules is licensed, one is not. Can I move the licensed module (currently installed in the secondary ASA)  to the other ASA 5510 (Primary) without causing a problem?Tha...

This is my first hands on with a newer ASA, in this case a 5515-X. Also the first time I'm doing a greenfield config with the post 8.3/8.4 objects.I can see how the object groups do actually simplify administration, not just for NAT. I've done some t...

I am working on creating some custom signatures.  I created one that works really well for the FTP traffic.  If some one tries to login as most commonly used default user ID's their connection gets reset.  Now that is great.  But we have a secure FTP...

Hi,Is there a way to quickly check when the last time access-list counters were cleared in a ASA/FWSM?I know in Cisco IOS we can check from the 'show interface' command when the last time counters were cleared for that interface. Wondering if this is...

After upgrade my ASA IPS sensor to version 7.1(6)E4 I receive this two Alerts every hour:<161>Sep 19 2012 21:23:09: %ASA-1-505013: ASA-SSM-10 Module in slot 1, application reloading "IPS", version "7.1(6)E4" Config Change<161>Sep 19 2012 21:23:09: %A...

     Hi.I can't connect to ASDM. ASA closes connection becouse browser doesn't support ssl with DES-CBC-SHA<167>:Nov 16 15:52:41 GST: %ASA-session-7-609001: Built local-host inside:10.1.11.77<167>:Nov 16 15:52:41 GST: %ASA-session-7-609001: Built loc...

I have a doubt..how ASA failover detects ...1. Hardward failure on primary ASA2. Failover link failure 3. One interface failure on primary ASAFailover will happen on case 1 and 3..How ASA differentiate these conditions.please clarify my doubt.ThanksS...

Hi ThereI am working on a task of redirecting any uncatched http traffic to Symantec public transparent proxy through Cisco ASA. For the definition of uncatched http traffic, we have inbound squid servers for deploying IE proxy pac and redirect the h...

I dont really get it with NAT overloading on version 8.4.2, it's really confusing.See the following configuration;interface GigabitEthernet0 nameif outside security-level 0 ip address 10.50.0.1 255.255.255.0!interface GigabitEthernet1 nameif inside s...

Lately I've been trying to get a squid server to work with WCCP on our network so that client traffic transparently goes through the proxy. The problem is, having very little experience with squid, I've hit a brick wall and despite spending days sear...