Network Security

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We have a Cisco 891 with this configuration  belowI   got several computer on my lan that needs to connect to an external   Windows server with pptp. The windows server is not mine but it works.   The clients are using the windows connection manager....

clementca by Community Member
  • 1223 Views
  • 1 replies
  • 0 Helpful votes

Resolved! image upgrade

All experts, our section is doing image upgrade from fwsm 2.3(4) to 3.2. during maintence image upgrade some errors came up and the partition wasnt upgraded.error: imgcopy_add_bytes: image is too big.ERROR: Image could not be downloaded. Try again. M...

suthomas1 by Level 7
  • 1313 Views
  • 6 replies
  • 0 Helpful votes

Hi!I have setup the network as per the attached topology. All remote sites are able to access the Main site Application Server.My issues are as follows:How can DoS attacks on the server be prevented? Is there some configuration that can be on the rou...

net buzz by Level 3
  • 2199 Views
  • 2 replies
  • 0 Helpful votes

Do I need the security plus license to do HA with two 5520's?I was told by our purchasing department that the 5520 was supposed to be able to do HA out of the box, but when I look I see only the VPN + license.  Does that mean I can download the secur...

w951duu by Level 2
  • 958 Views
  • 2 replies
  • 0 Helpful votes

I'm having an issue with out going sip traffic showing my private IP in the header instead of the public IP. I have a cisco asa 5510 and everyone seems to think the issue resides on the firewall.Any help would be appreciated.Thanks,Joe

harkinscisco by Community Member
  • 1764 Views
  • 4 replies
  • 0 Helpful votes