Posts Tagged ‘ asa ’

Stubby Post – Changing the Prompt on the ASA

January 19, 2011
By Aaron Conaway

RichardF commented on an article I wrote last November and mentioned the prompt command in the ASA. I never set aside any time to research it, but I finally took the time today while waiting for a maintenance window.

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Running Commands on a Standby ASA from the Active

November 22, 2010
By Aaron Conaway

I was exploring commands on the ASA a while back and discovered that you can run commands on the standby unit from the active. Aaron ConawayI like to lean my head to the left, hit it with the palm of my right hand, and document what knowledge falls out.Website - More Posts Download article...

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Configuring an Active/Passive ASA Pair

November 19, 2010
By Aaron Conaway

A buddy asked for some help on configuring a pair of ASAs in active/passive mode, and, by pure coincidence, my newest project is to set up the same.  I've done it many time, but it's one of those things that you don't really do every day (unless you're a VAR or something).  These things...

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SLA Monitoring on the PIX/ASA

October 15, 2010
By Aaron Conaway
SLA Monitoring on the PIX/ASA

We're working on an data center design for a customer, and they've dropped in two ISP links – each with it's own managed router and public IP space off one of the Ethernet interfaces.  The idea is that they want to use the Internet links in an active-passive setup without getting their own IP...

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More ASA Objects and Object-groups

April 5, 2010
By Aaron Conaway

Object-groups. God, I love them (most of the time).

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ASA 8.3.1 – Smart Tunnel and NAT Changes

March 11, 2010
By Aaron Conaway

I've got 8.3.1 on my home 5505 and I'm not afraid to use it.

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Using SPF Records To Build Objects

October 16, 2009
By Aaron Conaway

My biggest complain about modern firewalls is their lack of the ability to create rules based on URLs or HTTP streams; you have to open access between IP addresses.  Yes, I know there are other means to do that, but I want my ASA/PIX/FWSM to do it without making me do so much work....

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Object Groups in the ASA/FWSM/PIX

October 1, 2009
By Aaron Conaway

I can’t believe I haven’t talked about object-groups yet.  I had a whole other blog entry written up, and, when I went to link things over, I realized I couldn’t find an intro to it.  Here it goes. Welcome to the modern world.  A world of wonder.  A world of quickly-advancing technology.  A world...

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ASA and Proxy ARP

September 11, 2009
By Aaron Conaway

Wow.  A new entry.  Everyone sit down before you pass out. I’ve got a real-world example for you today.  We have an ASA 5540 installed at a business unit with interfaces in multiple networks, including one containing the production servers and another containing the accounting servers.  The production network sits on a 7600 that’s...

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Port Forwarding on the ASA/FWSM/PIX

May 27, 2008
By Aaron Conaway

Here’s a simple one since I haven’t updated in a while. I have my ASA 5505 at home and want to forward TCP/80 traffic to my public IP to my webserver at 10.10.10.10. There are two steps here — forward the port and open the ACL. To forward the port, I would use the...

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