Network Security

Hi!We have an asa5585-x which Works with no problems; but sometimes we can see huge amounts of connections more tan 10k-20k that triggers high cpu usage. Do you know how can we detect the source of this connections? Added youll see asdm with the conn...

Hi!I'm a student trying to factory reset a few Pix 515Es when I ran into a problem I couldn't solve with Google. I can't flash any .bin file without getting an error saying "Could not read image header from flash". Prior to this it could not find a f...

Hello, I have a Cisco ASA 5505 that functions as my primary firewall and a Mitel 5000 controller behind it. I have two external phone users that have been connecting through the firewall with no issues for six months until about two weeks ago. I am n...

this is my currect interface configinterface Ethernet0/0 nameif internal security-level 100 ip address 192.168.40.1 255.255.255.252!interface Ethernet0/1 shutdown nameif outside security-level 0 ip address 81.6.63.114 255.255.255.248!interface Ethern...

Is it possible to have an unused IP address on my ASA, which when it receives traffic flags the source as a bad actor for the whole device. It would work essentially like a spam trap for an email server, where anyone sending to that address clearly i...

Hi.Is there a way to export the rulebase to csv/html using CSM 4.3?  I know it can be done through ASDM but looking at the rules in ASDM, they are flattened out into single object source, destination & port per line.  Is it possible to keep it in the...

I have the following static entries in my firewall.  One works and the other doesn't.  I just added the second entry below today and I see it build in my logs but no connection is established to the remote end. static (inside,ICS) 192.168.50.97 192.1...

The corporation I work for just rolled out Java 8 and since then the version of ASDM I was running (733 up to 751) is not launching with Java 8.Any suggestions?