Network Security

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HI we had an issue in cisco ASA 5520, when we try to boot the system and press the escape key it is saying "booting system please wait" and nothing comes after that and the system is not booting after that. The Rommon mode is not coming as well, when...

Brief background.  I took a position with a new company and am trying to clean up the network(HUGE TASK). Initially I'm locking down the equipment, and my question is on ASA/PIX firewalls regarding SNMP community strings. I set the RO community, ques...

I'm newer to ASA's and I have the following scenario:External users need RDP access to an internal server, so they need to hit a public-facing IP that gets translated to a private, but I also need to NAT the external users public IP, so that I can en...

susan.lopez by Community Member
  • 1811 Views
  • 5 replies
  • 0 Helpful votes

Resolved! Transparent Mode

Rather unconventional design that i am trying to test with transparent mode firewall.... attached diagram Clients [VLAN 100] connected on L3 Switch with SVI as default gatewayFirewall using one physical port which is sub-interfaced with INSIDE-100 an...

amar_5664 by Level 3
  • 8460 Views
  • 37 replies
  • 0 Helpful votes

Hi,Two days ago I had a problem with secondary unit in the ASA HA. The problem is because of the CX module failed in the secondary unit (service module failed) showing the standby unit failed in the "show fail" output. Just I reloaded CX module in th...

S.ashok S by Level 3
  • 1112 Views
  • 6 replies
  • 0 Helpful votes

A few days ago has been presented to me a problem with ASAs consisting deny TCP messages.This has become critical because apparently the messages samples that attempts to terminate sessions that were already closed but this is impacting the network.I...

JRGC by Level 3
  • 488 Views
  • 1 replies
  • 0 Helpful votes

Hi,I've an asa 5510 with 8.3I created a trunk with some vlaneth0/0.10    ip address:  172.16.10.1 /24eth0/0.11    ip address:  172.16.11.1 /24eth0/0.12    ip address:  172.16.12.1 /24eth0/0.13    ecc ecc ecceth0/0.14ecc ecc eccEvey vlan have security...

Paolo Piutz by Community Member
  • 1361 Views
  • 4 replies
  • 0 Helpful votes
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