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
ASA version 9.0 released
Version 9.0 of the Cisco ASA software has now been released. Here are some of the major features in the new release. Filter ICMP by ICMP code Clustering of multiple ASAs OSPFv3 and EIGRP support IPv6 support on outside interface
Cisco ASA – Efficient access-lists with object-groups
I am currently migrating some PIX firewalls to ASA and I have been rewriting the access-lists to be more efficient and easy to read. This is done by using objects and object-groups. Lets first talk about objects, the object can
Using Cisco ASA with dual ISPs
It’s getting more common to use dual ISPs since most companys now a days are dependant on a functioning network and Internet connection. In this scenario we will be using a leased line as a primary connection, this connection won’t
Transfering files with FTP (Cisco ASA)
Trivial File Transfer Protocol (TFTP) has been the natural choice for transfering files on a Cisco device for a long time but it has some weaknesses: It’s not reliable, since it doesn’t use TCP Since it’s not using TCP every
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