Network Security

I have encountered a problem with the possibility that a client on the network that resides within the Cisco ASA can query queries on a non existent DNS server. ASA Version 8.4(2) hostname ciscoasa names interface Ethernet0/0 switchport access vlan 2...

We have a service policy that has a "Do not match" ACL to exempt certain traffic.  This ACL is followed by a Match ACL for all other traffic.  When I test matching traffic on the ASA by using "show service-policy flow..." command I can confirm that t...

We are running Cisco Firepower Management Center (v6.1.0.1 build 53).While reviewing Connections->Events, we are having difficulty reviewing entries older than an hour or so (or perhaps it's based on # of items). For example at 1:20pm EST we view Con...

I have 3 ISP router in my ASA 9.2  can i configure 3 outside ISP with outside1,2 and 3 are the subinterfaces? Regards, MM

I have 2 cisco ASA 5525-X which I had disable the policy to send traffic to firepower like 1 month ago because i was having high CPU and memory issue, now I re-apply the policy and I have 2 days with the policy up and there is not data on the FireSig...

I run ASA with firepower services at multiple clients and have been wordeing about the new DNS sinkholing feature. My main goal would be to get insight on what IPs are generating the DNS querys for bad domains (right now i only see the internal recur...

I am trying to get the Sinkhole feature working, using this page as a guide: http://www.packetu.com/2016/07/05/firepower-threat-defense-dns-sinkholing/ I set the Sinkhole object address as a valid but unused address in our DMZ. I have had no issues f...

Dear All, I have a question about the max throughput of our ASA5525 X with firepower. What I  need to know is how many ssl connections can the ASA 5525 X handle simultaniously. In peak periodes we can have loads up to 10000 ssl connections per hour, ...

Which of this routers supports Zone Bazed Firewall? cisco881-sek-k9 cisco881-k9 cisco891-k9 I cann't find an answear in documentation. If you find an answear in documentation, post the URL link on this document, please.

Hi Guys, I have a client who has a 5508 firewall and am trying to forward port 25 to 10.0.0.7. I have had no success with this. The network is as follows: Internet -> Cisco 2800 (port 25 open and working) -> HP Switch (Port forward working up to here...

I have a ASA 5506W that has a corrupted AP image. The ASA side works correctly. When the 702 access point tries to boot it returns the following error message and boots to rommon. Loading "flash:/ap1g1-k9w7-mx.153-3.JAX1/ap1g1-k9w7-mx.153-3.JAX1"...#...