Network Security

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Cisco CyberSecurity


Forum Posts

Hello, I received the following traps while disconnecting the fiber from the IDS:DISMAN-EVENT-MIB::sysUpTimeInstance = Timeticks: (97610796) 11 days,7:08:27.96SNMPv2-MIB::snmpTrapOID.0 = OID:SNMPv2-SMI::enterprises.

I will be upgrading an active standby failover pair of PIX 525s later this week. They are running LAN based and stateful failover. I am planning to use the following procedure:Step 1 Download the new software to both units, and specify the new imag...

edunn by Level 1
  • 12 replies
  • 0 Helpful votes

I have a PIX 515 running 8.0(3) that is crashing every 20 minutes or so, this is what immediately appears on the console when it crashes:============= CHECKHEAPS HAS DETECTED A MEMORY CORRUPTION ===============Reason: Free buffer corrupted rc=1I have...

psuranyi by Level 1
  • 1 replies
  • 0 Helpful votes

Hi,I have pix firewall 535 with IOS 7.x version. I have enable it with no-nat-control, to my understanding with this no-nat-control traffic from higher secuirty level to lower secuirty level allowed if there is no access-list. But from low to high st...

Hi,I have recently replaced a netgear firewall for an ASA5505. Below is my config. My problem is that when I browse the web from my linux box, anytime I hit a new site, it seems to take about 30 seconds to a minute to do the lookup before I can actua...

wizumwalt by Level 1
  • 5 replies
  • 0 Helpful votes

We're about to get an IDS system which will require a spanned port on the inside of our network. Inside our network we have a few 6500's so I'd span a port on one of our core question is, there is definetly more then 1GB of traffic goi...

niro by Level 1
  • 5 replies
  • 0 Helpful votes

Greetings:We have an ASA 5505 with Security Plus Bundle. I need documentation on how to setup the ASA to allow me to use my T1 Internet connection (which is currently functioning) as my primary Intenet connection and my secondary DSL line as a backup...

I have a customer with a PIX 515 running 6.3. They have an appliance running a web server and they allow port 80 to a public IP. This is working but they want to log the actual IPs being used to access the web server. They have this currently:acce...

Hi,I'm designing a new network on which several clients of ours can outsource their server systems. I would like to use the Security Context feature of the ASA for this design, so I can seperate the firewall function for each client and give each con...

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