Network Security

Deployed a 3100 in chassis mode to the FMC a few days ago. All went to plan.Determined we needed to change the IP so decided just to delete the device from FMC and re-provision it.On the FTD via local-mgmt did a erase configuration. The device wiped ...

Hello everybody,our customer has a FMCv running sugg. rel. 7.2.5.1 and has a high CPU load of approx. 97%.(see attached screen dump).The VM has 4 CPUs, 32GB RAM and 250GB HDD.The FMC is managing a HA of two Firepower 1120 running rel. 7.2.5.A FMC reb...

After searching through other posts, my config seems OK but still strange behaviourasa 9.20 running on FPWR chasisI cannot get in enabled mode when connecting to ASA via console.It used to work but stopped after I played (disable and restore) with aa...

Hi All,I am newly building trustsec in my environment,trying to add one of the switch under trustsec. Have configured Trustsec settings and COA on the ISE for the switch and added the appropriate aaa commands , radius servers and cts commands.But sti...

HelloWe have a lot of clients getting the following error when contacting diffrent sites:  ERR_SSL_PROTOCOL_ERROR, we have read that SonicWall and Palo Alto also have these problemes. Solution is to turn off "TLS 1.3 Hybridized Kyber Support" in chro...

Hello everyone, I have the following issue:The customer would like to disable FMC packet fragmentation globally. According to the Cisco documentation it is quite straightforward.Source chapter: Fragment SettingsCisco Secure Firewall Management Center...

Hello! Does anyone know if there's an easier way to configure and create rules that require manual entry in the FMC policy creation dashboard? We are working on a migration from the ASA which has over 300 rules and our company would also like to reca...

Is there a tool available to convert a Check Point Security Policy to a Cisco Access Control List?The process of doing this manually would be time consuming and could result in human error

Hello everyone,I have a CISCO ASA 5555-X configured in multi-context mode and I want to monitor it via SNMP.However, I can't find the MIB files for this device.How can I get them?I don't have access to ftp://ftp.cisco.com/pub/mibs/supportlists/asa/as...

I am managing FTD-1120s with FMCv both running v7.2.1 software.  In my ACP I have a GEO rule to block all outbound traffic to China, Russia, and I few other "hotspots".   When I search for events that match this rule, most of the traffic is from inte...