Network Security

The FMC logged several events with two internal IPs initiating a connection to Hong Kong, the connection was blocked, no packets were logged, and when I drill down into the event there is no more information to give me why these two IPs are trying to...

Hi All, We have a pair of ASA5525-X with Firepower Module. I am trying to manage the device via ASDM as we do not have VMWare to manage the devices. As normal with ASA i racked and powered on and formed HA between two appliances. I have remote acces...

We had to change the IP of our FMC. There were FirePower modules registered to the old IP. Is it just a case of logging back into them and adding the configure manager add x.x.x.x password commands again and then adding device to the FMC?? Do I need...

HI all members, Can any one direct me to the cisco page where i can find clear information about the ASA 5506 switch/routed ports information. What i know is, All models of ASA 5506 have just routed ports and you cant use these ports as switch even i...

Hello All, Good Day! Can you help me how to upgrade the switch on this stack? MCC01.IDF02.SWG01#show version | begin SW Version Switch Ports Model              SW Version            SW Image ------ ----- -----              ----------            ---...

I have an FWSM running Version 4.0(8). When i setup a packet capture in one of the contexts it doesnt capture any packets. I have created an access list for the interesting traffic and applied it to the capture. I know the traffic is going trhough th...

I have a Cisco ASA with FirePOWER that I manage with FireSIGHT. I'm trying to determine which method is better when it comes to false-positives...Pass Rules or Suppression? I know that there are probably some variables in determining which is better,...

I have the 10.64.0.0 subnet and 172.21.0.0 subnet that talk to each other via the tunnel. Everyday in the morning i have to bounce the tunnel to get this working. I have case opened with the TAC engineer but seems like there is no resolution to this....

Hi all, in our network we have a Cisco ASA 5510, 256 MB RAM, running on ios verison 8.2(5)48. The problem that started around 10 days ago includes exceptionally high memory usage (around 85-87% which is a considarable spike as before it was no more t...

Hello, We have a Cisco ASA 5505 in a remote office.  We manage the firewall and VPN for our users, but the office switches are managed by the company there.  I've sent Cisco 3700 access point in flex mode to them and I can't get it to work on their s...