Network Security

I have a layered  network where the majority of servers have access to two networks  (through their own separate NICs).  Everything is connected to an  SF300-48 switch with four (including VLAN1) VLANs set up.  Everything is  sitting behind an ASA552...

ASA5520 v8.3(2) OSI'm seeing connection bursts every 2 minutes to my internal SSH serverConns during that time peak at > 1500/sec - normal is 100/secInbound bandwidth usage goes from 4Mbit/sec to > 30Mbit/secCPU usage spikes above 60%When I do a "sho...

I'm looking for a good admin guide for the AIP-SSM for the ASA 5500 series that shows how to use the GUI. I have no experience with IDS at all so I need somethint to get me rolling here.

Hi,I'm running an ASA 5585 pair in transparent mode with two bridge-groups inside one context. The ASA is connected to a 6500 switch in VSS.In the logs, I'm seeing the MAC of the VSS cluster moving between between the two outside interfaces of my two...

Hi Guys, I've configures Clean access - inband mode - virtual gatewayCAS is doing VLAN mapping (from L2 to L3 vlans) without any issues, but when i add more vlans to be mapped, CAS doesnt do the mapping.lets said the vlan mapping as afollows:Untruste...

Hi experts,When I've tried adding NAC Server to NAC Manager in CAM web management, it prompts: Failed to add server: Could not connect to 10.130.80.81Is there anything I can do for solving this?I'm new for NAC Manager and Server installation.The vers...

New to EEM.Looking to create a simple applet to rewrite certain SYSLOG messages with a Prefix Appended.When I attempt the applet(shown below), the applet;1) does run as expected 2) does write a syslog message3)  but it does not include the original s...

Hi guysI have added  3 asa on csm 4.0.1 , but I cannot manage ASA logs from event viewer on csm, I cannot see any logs in event viewer, with I, ASA Devices for Event Management, via  :Step 1: select Platform > Logging > Syslog > Logging Setup from th...

Hi,I have a issue, as after enabling DHCP Snooping and try to release/renew again, It only manages to grab the DHCP IP like around 30 seconds.And, if the machine is restarted, it would take longer time or even sometimes would not be able to grab the ...

Hi,I just want to know what exactly capturing if we you capture command with some ACL on the firewall where there is limited buffer size. The reason I want to know is that we need to capture some traffic between firewall (inside/dmz) where this traff...

HiWe are now using a ASA 5510 firewall and we would like to configure a internet load balance traffic in our environment.For example, some IP addresses go through local gateway for internet routing but some address go through VPN tunnel gateway. Is i...