Network Security

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Cisco CyberSecurity


Forum Posts

We currently have some Cisco 3560X switches that are internet facing and also some Cisco 3750X switches that are within our Corporate DMZ.The external facing switches are just really operating at layer 2, have no IP address configuration and just for...

Resolved! ASA 5505 DC Power

We have a use case for an ASA 5505 with DC power. The device comes with an AC adapter. Are there DC supplies available? We have station bus power, are there basic cables with the appropriate connector available?

Hi All,Two firewalls connected in Failover mode. We would like to change subnet mask on Inside interface.Can we achive this without any impact ? becuase firewall is in production and do not want to get any distrubtion to the existing sessions.ThanksS...

s.kanth by Beginner
  • 5 replies
  • 0 Helpful votes

Dear All,                 We have installd cisco ASA 5540 along with AIP-SSM-40 Module as our perimeter device. I was troubleshootig an Microsoft ISA proxy server issue when i found this error message occuring frequentlyA TCP packet was rejected beca...

Kevin_27C by Beginner
  • 1 replies
  • 0 Helpful votes

I have an interesting problem that I am looking for some advice on.  I recently replaced an ASA5510 with an ASA5525 on site.  The LAN interface on the ASA plugs into a linux transparent proxy server.  Over the last few weeks since the ASA replacement...

jyoung by Beginner
  • 2 replies
  • 0 Helpful votes

Gents currently we have a ASA which connects to a single swicth 2960, the 2960 swicth connects to two routers(HSRP) the switch has vlan 10 with /29 address and points towards HSRP address of the routers.compony has realise that its a single point of ...

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