Network Security

hi, I'm looking for a way how to set up a cisco asa to capture DNS queries to 8.8.8.8 and change/re-write them to another DNS server hosted in the "inside" using a private IP. we've got several remote sites breaking out on the ASA and by doing this w...

Hello Guys,Maybe it will be banal question, but I don't understand one of concept when implementing ASA in transparent mode.Basicly, I don't understand WHY we need to use TWO different vlans ? I can't find any good explanation, I only find informatio...

Hello,I have dhcp enabled on my asa which hands out private ip to all inside clients. as part of this, it also handsout the dns server which is the address of the inside interfaceWhat I want to do is, create a static nat or port forward which does th...

I cannot find any official document that states end of life date. There appears to be old threads and people keep sharing the link for 5525 which is not relevant.

Hi community, FTD Versions: 7.0.1/7.0.5/7.2.4 FMC version: 7.3.1 I have 31 FTDs managed by the FMC, suddenly 29 out of them are showing offline now, only 2 are online. From FMC System->Health Monitor at the Time Sync section I can see that FTDs are d...

i do a rule for block facebook video in the window de application control and with action of block with reset but when i open facebook continue showing the videos, the version of sensor3d is the 6.2 how can block the videos the facebook? Best Regards...

Does anyone know how to remove devices from the Tetration inventory.We have devices detected by CSW that are no longer in use, but are showing up in the inventory list.

I have a Cisco ASA5516 configuration: HA- Active/Standby.The ssh is enabled on the outside and all interfaces, but the active ASA keeps rejecting the ssh connections for about 20 minutes, and then everything works as expected. The odd part is that th...

Hello everyone,I have one switch with AAA configured with outsid NPS server for user login authorization. After enabling AAA function on switch and I tried to login , what i see is Host: prompt with banner . tried debugging, but log indicated authent...

We have our headquarters in Japan and they have issued 10.240.0.0/13 subnet for use in the USA.  They are reporting that unused IP's on this subnet are causing loops on their core switch. They are asking us to put a null0 route statement for that sub...

I'm trying to setup external authentication for a 6.5 FMC but running into some issues.  Currently the FMC has LDAP authentication setup for AnyConnect connectivity, and if i try to Fetch DNs or Fetch Attrib those both return values, but when I try t...