Network Security

Hello.I have redundant 5506x and frequently the FW will not hand out an address to either a PC or phone. If a forced failover or power cycle occurs, it fixes the issue until it occurs again. This configuration has been working for years. Inside inter...

Hi,We have FTDs mgmt by FMC version 7.0.1. We are using certificate authentication on RA VPN configuration. Indentity Certificate signed by our local CA has been expired, we have installed a new indentity certificate. Have refreshed the cert status o...

HiI am configuring an ASA device. I am noting the NAT is not working and the PRIVATE deivce can not reach the destination/gateway(192.168.237.65&192.168.237.129). Can someone help to check the config?interface GigabitEthernet0/1no nameifno security-l...

Hi everyone, have a nice dayI have a big network with multiple cisco routers, switches(IOSXE, IOSXR), and NX, I found in the ARP table multiple IP addresses with the same mac address, I try to track the mac address but the port for this mac return me...

I have two ASA5555X running version 9.631, about 2 months ago the active asa started refusing ssh in all the interfaces, after the restart I can ssh again, then a couple of days or less no ssh again.then the primary (active) started failing gradually...

Hello,I am trying to force some users to send traffic to specific wan interface.Created a ACL:ALLOW inside_zone specific_users ---> outside_zone interface_WAN3 in NATdynamic NAT from inside to outside WAN3 interface. But when i try to see from users ...

Hi all,Though someone might be able to give me some better understanding about CDO features. I thought to be impressed by CDO but during testing my "whoa" effect has not arrived (yet) about CDO and it's potential.... Maybe just in points:Is there a w...

Hello EveryoneI am trying to block websites at a specific time, and for that, I thought of using time-based ACL with regular expression with MPF config. Can someone please tell me if I can combine both and achieve my goal? Thanks.

I have a pair of 1140 in HA running FTD 7.0.1.1 - The FMC is also running 7.0.1.1. They are fairly simple configured (12 ACP rules), but I keep getting warnings says "Deployed configurations are too large"  The alert details shows this:Memory Allocat...

Hi All. Is it possible to use a firepower firewall to grant time based access to a management network from an administrative network.I would like to use 2 factor validation for the session. /Arne Larsen

I am running multiple NGFWv in our AWS environment from the marketplace. When trying to setup the EC2 instance for the firewall image and if I selected to encrypt the ebs volume with default aws/ebs key then the appliance does not respond on boot up....

Hi All,We have a Cisco Network Analysis Module [Prime NAM] Version : 6.4(2) This NAM has been patched with latest version of NAM already . However our Qualys reports shows that it is affected by the below vulnerability .QID-82054 (TCP Sequence Number...