Upgrade Cisco PIX 515E to Version 8.0(4)

and ASDM version 6.1(5) KB ID 0000424 Problem I had to update a Cisco PIX 515E last week, Cisco 500 firewalls are a bit thin on the ground these days, and most of my corporate clients have replaced then with Cisco ASA 5500 firewalls. So as these units are now getting retired, or moved to the test bench, or sold on ebay. I thought I’d document probably the last one I did for posterity, and to help anyone else out. Note: Cisco...

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Cisco ASA – Java RDP Error – Connection Exception Wrong modulus size! Expected64 +8got:264
Nov17

Cisco ASA – Java RDP Error – Connection Exception Wrong modulus size! Expected64 +8got:264

KB ID 0000452 Problem Seen while attempting to connect to to a Windows machine via the RDP plug in on a Cisco ASA firewall. Error: properJavaRDP error Connection Exception Wrong modulus size! Expected64 +8got:264 Solution 1. I’ve seen some posts indicating that this can be caused by the version of Java that’s installed, however in my case that was NOT the problem. 2. Connect to the ASDM of the ASA firewall >...

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Cisco ASA 5500 – Adding Licenses
Nov17

Cisco ASA 5500 – Adding Licenses

KB ID 0000531  Problem Each model in the Cisco ASA 5500 range comes with a range of licences and features, to add these features you can purchase them from a Cisco reseller. You will then need to apply the licence to the device. Solution 1. Your first step is to purchase the Licence you require from an authorised cisco reseller. 2. When your licence arrives you need to locate the PAK that is on the certificate. 3. You need the Serial...

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Cisco ASA Redundant or Backup ISP Links  with VPNs
Nov17

Cisco ASA Redundant or Backup ISP Links with VPNs

KB ID 0000544 Problem This method provides failover to a redundant ISP link should your primary network connection go down. IT IS NOT going to load balance the traffic across both interfaces. In this example I’ve also got a VPN to a remote site and some port forwarding to contend with as well. Where we are at the start. Where we want to be   Solution Before you go any further the ASA that will have the backup ISP line,...

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ASA – Memory Error (Post upgrade to version 8.3)
Nov17

ASA – Memory Error (Post upgrade to version 8.3)

KB ID 0000553  Problem I’ve split this article away from this one, as it tripped me up this week again, so I think it deserves an article of its own. Some ASA firewalls that shipped prior to February 2010 may need a hardware memory upgrade, before you can update them to version 8.3 and beyond. If not you will see the following; Memory Error as seen on an ASA5510 ************************************************************* ** **...

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