Network Security

Our FMC server is constantly detecting this intrusion (SMTP_COMMAND_OVERFLOW) from the same host which is our cloud-based Cisco ESA appliance.How should I deal with this?My inclination is to trust this host, but not sure if I should just whitelist th...

Hi; I have Cisco 5516-x Firewall. I want to permit access to specific devices from outside via specific ports. Where and how can I set requiring settings on this firewall. Thanks... 

Hi,  I am interested weather cisco FIRESIGHT is a must to manage FirePower services on ASA 5506-x ? If not, do you get same functionality and same GUI locally on ASA ? Also, I am interested if Firepower supports BANDWIDTH CONTROL. I could not find th...

Do the Cisco Firepower Threat Defense (FTD) appliance (21xx, 41xx, or ASAs with FTD code) provide URL rewrite support? Customer has an application that responds to HTTPS requests using an internal URL/FQDN. The firewall would need to be able to trans...

Hi. We configured file policy that blocks malware for different types of files. But when someone try to open some files(for example office or pdf) on file server  it stucks for a while approximately 10 seconds. Even when i try to look at files's prop...

Does anyone have experience configuring WCCP through FlexConfig on an FTD? What are the nuances and short-falls of using it this way? 

Hello Cisco family, i´m new here and i have a important question.We have some problems with the configuration of the new 5580-40 ASA, the ASA will reboot automatically after 8 to 12 hours.I think we configured something wrong, so my idea was to copy ...

Hello Cisco Experts,How can i backup my entire configuration of FP 4100/2100 running either FTD(prior to version 6.3 and running 6.3 as well) or ASA image. Note that by entire configuration i mean FXOS initial conf and image configurations as well.Th...

HI,i have basic asa setup and trying to resolve hostname from outside. My dns server is in inside zone. this very simple concept, just trying to ping router1  with its hostname(router1) if i get ping response, it means dns server is resolving the hos...

Hello, Due to a "no space left on device" error, I reimaged an ASA that was part of an HA pair. How can I put it back to my pair on the FMC (6.2.3) ?There is no reset or reimport option available, and I couldn't find anything in the documentation. Th...

Hi, Looking to upgrade a standalone FMC and FP modules located at different sites. 1. I am unsure of which  model of FMC I am running how can I tell?Also unsure of the software version the FMC will need to go to. When looking in the cisco software do...