Network Security

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I have the following problem: I'm programming an ASA 5510 which I  have assigned a physical interface vlan, this device is a switch  concectado and thence to a couple of more switches. When you ping from a terminal equipment to the interface logic  o...

Hi ,I have a question to you security guru's out there.  By default ASA applies DNS packet inspection with a default (maximum) packet size of 512bytes as recommended by RFC 1035, anything above is dropped.I have a customer that is trying to use large...

Hi there,I have ASA 5505 firewall, with 8.2.3 version and security plus license. I open ports for my mail server and it works fine. The problem is sometimes the mail could not be deliverd, send me failed delivey notification. I checked everything on ...

Hello,I had our ASA 5520 crash yesterday for no apparent reason. It came back up ok, but I don't know why it crashed. Below is the crash report. Does anyone have any ideas what caused it?firewall# show crashinfo : Saved_CrashThread Name: Unicorn Prox...

Hi I need some good tips when getting a new firewall. Need the following functions: - Up to 300 PCs on LAN side, up to 300Mbps traffic - 10 different VLANs with different rules - Ability to store different profiles, witch can easily be switched betw...

perpaal by Level 1
  • 809 Views
  • 2 replies
  • 0 Helpful votes

Hi Folks,Yesterday I have changed the hostname of the CSM 4.1 windows server name from lets say "ABC" to "XYZ".Today I have problems with CSM, though services are running but I am not able to connect through client or through web browser.Any ideas wi...

xs.gautam by Level 1
  • 1797 Views
  • 1 replies
  • 0 Helpful votes

Hello,I am trying to push out recent firewall changes via the Cisco Security Manager and am getting an error:An error response from the device prevented successful completion of this operation. The device provided the following description: crypto ke...

ohareka70 by Level 3
  • 758 Views
  • 3 replies
  • 0 Helpful votes
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