Network Security

I have asa 5520 k8 model presently i am running with IOS version 8.0(4) i am upgrading to 8.2(5) is ? any license required from cisco to upgrade to this IOS, and also let me know how many site to site vpn can be configure on this device.Licensed feat...

Hi allIs there a guide someone can point me to help configure a pair of ASA to be active/active failover and have multiple security contexts for different environment?  What I want to do is make a logical firewall for Production and another logical f...

Looking for a solution to a NAT issue I have with NAT'ing one subnet to another on a 1-2-1.eg      static (inside,outside) 1.1.1.0 2.2.2.0 netmask 255.255.255.0This would translate the internal 2.2.2.x IP address to 1.1.1.x IP address on the "outside...

Hi,We are experiencing an issue whereby our Symantec Net Backup Devices are failing duplication over a metro-ethernet WAN link.A few seconds before the Server event log shows an error, I am seeing a log entry on each ASDM of the FWSMs as follows:-FWS...

Hi,I have a csc-ssm installed and i am facing a problem. The license has expired and since yesterday some sites works fine and some other doens't.Cisco saids that if the licenses expired you will continue having internet access but without filtering....

Resolution found. See my last post since I can't mark one of my own replies as the answer.I've got a Cisco PIX 515 running 8.0(4)28. I just installed a new LifeSize video conferencing unit with a static NAT mapping to a public IP address and configur...

Hello,I would like to know more about the behavior of the asa-routing.Unfortunately i have not found any answers to this question:Suppose we have an ASA which have two interfaces (inside and outside).We configure a  static route to the subnet 10.0.0....

Hi,Im having problems with google saying we generate to much traffic to www.google.com. http://sorry.google.com/sorry/?continue=http://www.google.com/search%3Faq%3Df%26sourceid%3Dchrome%26ie%3DUTF-8%26q%3DdflI need to know which machines on the insid...

I will be setting up a VPN with a client soon.  They are shipping 2 Cisco 861's that are planning to go behind our ASA 5505.  They are set up to be NATed.I am trying to understand what the best way to do this would be as I seem to keep running into l...

I tried applying a number of signatures from Cisco CSM 4.3 on the latest signature download available and got hundreds of errors that signatures are invalid/retired and won't be enabled - in fact this error was seen for every signature I enabled by h...