Network Security

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We want to enable Jumbo frames on ASA 5585-X and our last attempt caused an outage.Below are cmd excuted in our last attempt.jumbo frame-reservationsysopt connection tcpmss 9096mtu was set to 9216 on interface Trust and DMZTwo interface on the ASA is...

Hi, I have some question regarding VPN created on ASA 5506 with Firepower services: - Why with this setting Send NTLMv2 response only. Refuse LM & NTLM end user can't connect at VPN through Radius Server ?   When putt lower security layer it's workin...

a.bulat by Level 1
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  • 0 replies
  • 0 Helpful votes

Hello team,  We have multiple ASAv registered with smart licensing and working perfectly. But, each time we make a change to the VM parameters, the asav gets unlicensed with a warning"there's no active ASAv platform license installed'.Once we push ag...

Jenny19 by Level 1
  • 895 Views
  • 0 replies
  • 0 Helpful votes

I'm curious if folks here use a common shared secret or if the shared secret is unique between ISE end  each device in the network for tacacs authentication.  I currently have switches using one secret, routers using another, and WAPs using yet anoth...

Geekstur1 by Level 1
  • 2208 Views
  • 2 replies
  • 0 Helpful votes

I'm trying to setup email encryption and we use Barracuda Email Security Gateway. It appears outbound encrypted emails are not going through because of ESMTP on Firepower. Is there a workaround instead of disabling it completely?

fuy5 by Level 1
  • 1894 Views
  • 5 replies
  • 0 Helpful votes

We have a problem where the source IP is in the internal network and the destination in the VPN. Source IP is sending multiple requests on several different ports to destination IP.We remove the source IP from DHCP so that no one can receive an addre...

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