Network Security

Hi All, I have a task to create some rules for a Firewall that is in production and currently does not have any rules on the Firewall. I've managed to look onto the Firewall and see the top protocols going through the Firewall and generic protocols...

Hi, I'm trying to find out how to use PBR in conjunction with static NAT. I'm able to make it work with Dynamic PAT, but not static NAT... Trouble 6 Oct 05 2016 08:47:42 110003 195.41.2.20 80 2.2.2.2 28641 Routing failed to locate next hop for TCP ...

Hello All, Seeing input error and overruns increasing in one outside interface of ASA firewallAre we seeing 1550 blocks depletion here ? My real life problem is getting too many input and overruns on the outside interface of the firewall, where as ...

Hi All, Need your help on how to block psiphon application on firepower device. we already enable the application blocking but the results still the same. Soft: 5.4.1.5 (build 33) VDB ver: build 271  Thanks Rod

HI all, Im new with CSM, and I was working with "combines rules" and I made a combines error, I had to cancel all my changes, how can I do a rollback without loosing all my changes? Thanks all.

Hi, Is it a good idea enabling netflow on asa 5585 ? What are the pros and cons  how can I enable it ? Thanks

Hello All, ASA: ASA5510 Software: Cisco Adaptive Security Appliance Software Version 9.1(6)11 We have recently setup a new location and have it configured behind a Firewall. The Flow would look like: MPLS <---> ISR4321 Router (*10.28.1.1) <---> ASA...

What's the use of TCP version of port 514? UDP is being used for syslog but not sure about the TCP-514. Can someone put some light on TCP version?

Upgrading Cisco Nexus 9372 with this kind of set-up. See topology below:

I am getting warning message while configuring NAT. New ASA NAT configuration 9.5.2 fw(config)# object network obj-192.168.217.196-1443 fw(config-network-object)# host 192.168.217.196 fw(config-network-object)# nat (inside,outside) static x.x..x.186...