Network Security

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Forum Posts

asa 5505 dsl / mtu based ssl problem

Hi everyone,We moved our office to a different location (including our dsl conncetion). We also updated our asa from 8.0.3 to 8.0.4.Since then, I'm having trouble opening the webportal from customers having a dedicated line.I'm getting the certificat...

julian by Beginner
  • 1 replies
  • 0 Helpful votes

ASA - Security Levels Question

I understand that you can go from a higher security interface to a lower security interface without configuring acls. The ASDM shows that there is an implicit rule allowing this. My question is - once I configure an access rule on the ASDM, that li...

jim_berlow by Participant
  • 1 replies
  • 0 Helpful votes

Pix 535 7.2(3) and gratuitous arp

I have a pair of Pix 525 firewalls in Active/Standby. They are frontended by a different pair of firewalls that are also in A/S failover with a pair of 2960 switches between them.When the other firewalls fail over, the new active sends out a gratuit...

Pros and cons of NO-NAT?

I am trying to determine if using no-nat between the inside and the DMZ is bad in any way. I was told that running no-nat between private interface does not cause any security risks, is this true? Am I losing any security functionality if I choose ...

anowell by Beginner
  • 3 replies
  • 0 Helpful votes

Log Analysis for ASA & AIP-SSM

What is the best tool to gather syslogs from multiple Cisco ASAs & Cisco IPS.Preferably I would like to use a single machine to get logs from 4 firewalls, 2 IPSs and multiple Web/DB servers running Apache & mysql.What solution would you recommend for...

IPSEC on external Interface of ASA5505

Hi, we have two internal 5505 firewalls protecting our emergency services subnets from the rest of the organisation. The setup is quite simple, allow all traffic to pass between the two protected sites but nothing else. The Interface facing the org...

rayleask1 by Beginner
  • 2 replies
  • 0 Helpful votes
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