Buy or Renew
Buy or Renew

Network Security

Engage with peers and experts on network security topics such as Secure Firewall Threat Defense, Adaptive Security Appliance, Secure Firewall Management Center, and Security Cloud Control.
cancel
Turn on suggestions
Auto-suggest helps you quickly narrow down your search results by suggesting possible matches as you type.
Showing results for 
Search instead for 
Did you mean: 
cancel
Start a conversation

“Join

 
Labels

Forum Posts

Start a conversation

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 6
  • 1034 Views
  • 6 replies
  • 0 Helpful votes

Resolved! Preventing DoS attacks and using encryption

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 1
  • 1817 Views
  • 2 replies
  • 0 Helpful votes

5520 HA mode

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 1
  • 737 Views
  • 2 replies
  • 0 Helpful votes

SIP Invite showing private IP

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

Resolved! Cisco ASA 5510 - v8.4.1 (Base License) - Sub-interfaces - Pinging these sub-interface L3 addresses; setting up management on 1 of these sub-interface L3 addresses

I feel stupid asking this.  But I'm a little stumped.And am always willing to ask for help from brilliant minds out there.Please chime in.I have the following on my ASA,ethernet0/1.10vlan 10nameif Vlan_10_Insideip add 10.75.0.1 255.255.255.0security ...

Resolved! ACS 3.3 won't save key

In the past few weeks I've had an issue in ACS 3.3 when adding a new device.  When verifying that I can log into the device using TACACS, I get a key mis-match error in ACS's failed logs.  When I look at the device the key is missing.  I re-add the k...

Load more
Review Cisco Networking for a $25 gift card