Network Security

Dear Cisco Community,  There is a report, alert, notification or other. To inform me immediately via email, about massive access to a website during the day. for example, in black Friday- if more than 20 people connect to the same page in less than 5...

 when i deploy my FTD appliance inline (running on a 4120 chassis) my backups (from a windows server to EMC data domain appliance) slow down dramatically the source and destination are in different subnet and traffic passes thru the firepower. when i...

Is there any documentation from Cisco stating that an ASA fails to a closed or secure state when the firewall filtering function or operation is failing?  Google shows this questions being asked and answered stating that the ASA fails closed, but I a...

ASAv Version 9.6(4). After a reboot of the EC2 instance, the ASAv looks like it comes up and is working correctly, but nothing gets routed and the NAT translation doesn't appear to work.   Doing a show xlate only shows the NAT object definitions but ...

Hi everyone ,I have a topology  there are 2 firewall at my side ASA1 (Internet firewall) and ASA2 (Internal Firewall ) , ASA1 mange by other one . 3rd party wants to make VPN with ASA2 .we have a public ip (205>xx.xx.xx) witch is provide by ASA1 mana...

Is it ok to run a snapshot for the FMC VM? It seems that if I were to take a snapshot the log file would continue to grow rapidly due to all the database writes pertaining to connection, host, discovery events etc  If completing a major version upgra...

HI Everyone， We want to do a downgrade for our ASA, they are working on Failover A/S mode. I am not sure about this operation.What should I do? Is there a detailed step? Does the implementation of this downgrade process require a transition to an int...

The affected device uses the same base access-control policy (and same pre-filter policy) as all our other inline firewalls. Where we have sites that need additional rules, we create a child policy that inherits from the base access-control policy. I...

Hi All, Can we copy & paste rules from one policy to another in FMC ? I am in middle of a migration where we are using FMT tool to migrate rules however we are facing lot of issues. Every time we run FMC, it creates a new policy however we want to cr...