Network Security

Suddenly the primary/active ASA (5515-x with FirePOWER) reported "lost failover communications with mate on interface ..." (all interfaces)    primary ASA then tested all the interfaces and result with "passed".  Then it threw another error message "...

Hi. I had an FMC on my lab and it crashed, so I reinstall it from scratch. Then I delete old registration on ASA FTD and re-register it on new FMC. Now new FMC is empty, because I configured it that way, but I have many previously configured stuffs (...

Greetings,I am trying to upgrade to 5.3(from 5.2.0.5) and I get an error(The DC is a VM):Update Installation Failed : [ 8%] Fatal error: Error running script 000_start/113_EO_integrity_check.plHow can I fix this problem or skip this check?root@Source...

Hello ,I have configured FMC 6.2 with the Sensor 5525 ,configured SSL decryption ,when I access to https site i see my local certificate in my browser also can see it on logs that it was decrypted and resigned ! I want to allow facebook application b...

Hello all,one of my customer is having a 7050 appliance, I am looking how to check the existing throughput of that IPS. Can any one help with that please.

Hi, I have two firewalls running in an Active/Standby configuration where i run HSRP on the outside interface, and BGP on the inside interface between the firewalls and the PE routers.   The firewalls orginates a default route on the inside interface...

Hi, Is there any option in firepower2110 to know the source/host IP's, which are hitting my outside interface from inside along with using application.

What is the meaning of "Cisco ASAv - BYOL 4 NIC HA" ? Do we need to purchasing two vappliance for this ?    And what is difference between ASAV50S-STD and ASAV50S-STD-4

Hi, I have an ASA 5505 running 9.1(6)11. It is in a rural location and connected to a T1 for internet. There are 2 Windows 10 computers that get internet through the ASA and T1. The problem is whenever a windows update is downloaded, it laughs in the...

Is there any way to setup email alerts for Security Intelligence events?  I haven't seen anything other than syslog and SNMP traps.  TIA,Dan

Hi All,   I am co-locating a Cisco ASA 5506 in my provider's NOC for one of my global markets.  The provider prefers to deploy customer firewalls on their topology in the NOC in a one-off fashion, meaning that one single physical interface on the ASA...

is anyone aware of a intrusion rule in firepower that would block traffic if connecting to a server that uses a self signed cert ?   i saw this issue in my ftd deployment. once i created a allow rule in my access control policy the issue went away.  ...