Network Security

Hello everybody,our customer has a Firepower2110 running a ASA-Image rel. 9.12(4)37.From our monitoring we got the error message: time difference: -272 secondsOn the ASA-OS I checked the time: de-nm-fw-ext-02/sec/act# show clock det 07:50:39.669 CEST...

This is the second one of the new ASA 55.5X series appliances where I have seen this issue:When I SHOW VERSION, I can see the serial number displayed.However, this does not match the serial number from the sticker affixed to the outside of the chassi...

Dear Cisco Community,I hope this message finds you well.I am currently working on configuring Wake on LAN  on a Firepower 1000 series device and could use some guidance on the required steps, including NAT configuration. Here are the details of my ne...

Hello,In my network i have a Cisco Switch connected to Cisco VSS Switchs (Core) using EIGRP routing protocol. I want to integrate a Firewall ( Fortigate) between these two switchs and i can not change the routing protocol since i have many routes alr...

I have 2x FPR1120 in HA managed by FMC, i've executed "show managers" on both and one of them shows some kind of error, both of them running softwareCisco Firepower Extensible Operating System (FX-OS) v2.13.0 (build 1022)Cisco Firepower 1120 Threat D...

Dear All, I have configure Site to Site VPN routed based and try to verify by packet-tracer. Errors are shown as follows;Pls advise on this and thank in advance.> packet-tracer input inside icmp 10.74.157.6 8 0 10.74.156.3Phase: 1Type: ROUTE-LOOKUPSu...

Hi, I'm playing with FirePower 2100 series and FDM. Is there any way I can export all the captured transactions and data for web applications, destinations, attackers, targets, and threats through the API?

I have an FTD managed by FMC. The FTD has a remote access VPN configuration. The problem is that any IP can communicate with the outside interface over DTLS/TLS port 443.How can I filter which IPs are allowed to use DTLS/TLS with the outside interfac...

Hello, We have a problem to enter to the login page of FMC1600 active appliance. Usually when enter to the page we have the message warning about the certificate (Your connection is not private) and proceed to unsafe. This time the page remaing freez...

I have an Firepower 1010 bought with FPR1010-ASA-K9 product name, i need IPS functionality on this device. Can I reimage the firepower to change ASA image to FTD image and buy the FPR1010T-SBE-L license to have the IPS funct