Network Security

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hi,   i have a 1941 router configured with a zone based firewall. All working fine except the smtp. we can reseive mails trough pop3 and imap but cannot send trough smtp. I get the following drop to see. "dropping tcp session x.x.x.x:63025 x.x.x.x du...

Im working with a very interesting issue. Worldwide there is a BIG issue with Intel Puma based cable modems. These are in use all over the world. These ALL have a CVSSv3 7.3 rated DoS attack that cannot be blocked at the ISP of a MSO because the hard...

Xymox by Level 1
  • 918 Views
  • 2 replies
  • 0 Helpful votes

I just purchased a 5506 and would like some guidance.  First I'll say that I'm pretty green and trying to learn so be patient with me.  I thought I read that the 5506 supports more networks than the 5505 and they can route traffic between each other....

grggyoung by Level 1
  • 779 Views
  • 2 replies
  • 0 Helpful votes

Hi Guy's After running clear "configure all" to get my ASA5512 back to default, I then re entered my desired configuration and now I can't access the ASDM. I can access the website that gives me the HTTPS warning then a username/password box pop's up...

Hey everyone,I have been attempting to find documentation that shows how to create a static 1:1 NAT statement in FTD for a server that needs to be accessible on the Internet.The only documentation I can find talks about how NAT works in FTD but does ...

I am quite green with ASA5506 and have a question(s).  I am setting up a 5506 to replace our 5505 and have questions with regards to the NAT settings.   I have setup two bridge ports configured each with 3 interface ports.   I thought I would have se...

grggyoung by Level 1
  • 825 Views
  • 1 replies
  • 0 Helpful votes

Hey everyone,   I'm having a real tough time understanding whats going on..   Our ISP has given us a static range of a /28 to use. Currently we have a public IP address attached to an asa 5505 that handles 1 connection by natting to an internal publi...

I am trying to portforward 80 and 443 to host a website . ASA 5506-X is used as firewall . I was able to configure in ASDM in previous versions, but unable to do the same in the new 6.2.2 FTD image. The traffic doesnt seem to flow .  Have created sta...

jeba1521 by Level 1
  • 2016 Views
  • 5 replies
  • 0 Helpful votes

Hi   Just a quick question about guest account on Cisco ASA5585 firewalls.    I've noticed that on the firewalls my team manages guest have been created. Does anyone know whether those accounts are created during the build (come as standard by defaul...

mark3 by Level 1
  • 495 Views
  • 2 replies
  • 0 Helpful votes