I’m currently working on a design and needed to verify some failover behavior of the Cisco ASA firewall. The ASA can run in active/active or active/standby mode where most deployments I see run in active/standby mode. When in a failover
CCDE – Firewall And IPS Design Considerations
Introduction This post will discuss different design options for deploying firewalls and Intrusion Prevention Systems (IPS) and how firewalls can be used in the data center. Firewall Designs Firewalls have traditionally been used to protect inside resources from being accessed
Quick notes on Zone Based Policy Firewall (ZBFW)
Continuing to check things off from the blueprint. Did some ZBFW labbing today. Here are some important stuff to be aware of. ZBFW is basically a wrapper for CBAC. We create policys between zones and assign interfaces to zones instead
Caveats with new Java versions for Cisco ASA
I recently upgraded some ASA firewalls to version 8.3(2) and ASDM 6.3(2). ASDM relies on JAVA to work. I had JAVA 1.6.0(20) installed on my Windows 7 laptop but ASDM would not work with this version. What’s strange and very
Cisco ASA 5510 – Where did my gigabit ports go?!
I’m preparing some ASA 5510 firewalls at work which are going to replace two Cisco Pix firewalls. We ordered the ASA5510-SEC-BUN-K9 because we need failover and the gigabit ports. I unpacked the firewall and booted it up but when I