Network Security

Engage with peers and experts on network security topics such as FTD, FMC, FDM, CDO and ASA.
Showing results for 
Search instead for 
Did you mean: 

Cisco CyberSecurity


Forum Posts

I'm trying to understand why an acl rule would be enabled in the firewall (outside int) for any source to a specific host on the inside using https, while there is not nat for this host and nothing pointing to it from the outside (dns records etc)?Wh...

I am trying to set up a VPN connection with the host being a ASA 5510. The connection is DSL with a static IP. This is the config I have.I hooked the ASA up to the DSL today and could not get it to work. Anybody see any issues?hostname landfilldomain...

Hi All, we recently installed a activaiton key for the Anyconnect License on our ASA 5520. We have a pair runnning, in Active/Standby mode, on IOS 8.0. The Activation/License was installed on the Primary ASA. Once installed the all failover configura...

May I know.  I have following IPSEC vpn configuration for remote client works well.  I have a question. I have work well with or without "crypto dynamic-map vpn 1 set pfs group1" statement command. What is that "pfs group1" meaning and functioning wh...

alan-wong by Beginner
  • 3 replies
  • 0 Helpful votes

Hi all, I have a fairly new install of 5510, been running good last couple of weeks, but I found out from our isp that I have my dns servers in the open for attacks when I had the access-list for incoming using port 53, so I took it out, and somehow ...

Carlomd by Beginner
  • 3 replies
  • 0 Helpful votes

I am working with a customer that already has an ASA 5505 V 7.2 installed with port forwarding configured for database updates to their app server. This port forwarding is working fine. Trying to setup a second port forwarding for remote IP phones to...

          I'm trying to copy the running config file from an asa to a text file using tftp and it copies but when the command completes it says cryptochecksum followed by numbers and letters. I open the text file and alot of it is scrambled and doesn...

Getting Started

Find answers to your questions by entering keywords or phrases in the Search bar above. New here? Use these resources to familiarize yourself with the community: