Network Security

hi,i'm seeing this a lot in our NCS 540 router logs which shows SSL certificate error.i don't see any issue with smart license as everything shows as 'authorized' and router can reach SCH cloud server.i also don't use any SSL/TLS cert or PKI. is this...

Hi, my fmc pair seems to have some sync issues. I can see that there is a VDB mismatch. Any idea why my primary fmc did not sync its VDB to the secondary fmc? I tried to manually upload the VDB to my secondary fmc but it fails. I tried to reboot the ...

Hello, I think I understand what is needing to be done here with erasing all setting and resetting them with what is on the word document but there is something about the ACL I am not quiet sure about. I could use some help or feed back please and th...

Hi Guys.We're implementing teams in our organizacion. We have cisco devices (switches, cores and Firewall ASA).In order to permit Office365 Traffic, we need to permit a lot of Microsoft's URL and IP Ranges with ACLs in our firewall. https://docs.micr...

Hello Team,  We are migrating from ACS to ISE (2.7.0.356) using RSA for AAA(TACACS), When pointing authentication to ISE, we are having issues where we are able to initially log onto ASA’s using ASDM but then we get asked for re-authentication which ...

Hi Guys,I am going to import my SAN cert together with its cert-chain. I am following the steps from my source over the internet and it stated there that I need to combine the root, intermediate, server cert, and the key into a PKCS12 file before imp...

Hello,I'm getting "Disk Usage: Frequent drain of Archives & Cores & File Logs alert" error on the FMC, running software version 6.4.0.14. Haven't seen this particular message before applying the (14) patch. Any thoughts on how to fix this issue?Thank...

Hello. I have configured 2 Cisco FTD1150 with HA from FMC ,,, the primary FTD works fine in a production environment, I have added another one as secondary but the HA status is failer, both devices with the same model, version, snort version, and lic...

Hello Everyone,     I'am working on a FTDv/FMCv implementation in Azure.  The only issue is that the FTDv is never seeing or receiving the traffic when the Relative Routing Table in Azure is changed to use it as the next hop.  It sees direct pings on...

I am familiar with the Process to Recover / Reset the Console password on my ASA5508x HA pair of firewalls.They are running in an Active/Active Failover configuration.  Can I perform the reset procedure on the standby, reload and come back online wit...

Hello guys, We have cluster of 4 FTD nodes which are in 2 pairs per DC. Describe of situation Traffic comes to NODES in DCA - Because of fragmentation device sent comunication to node in DCB and then send communication for endpoint go out of FW in DC...