How many miles have I let expire? How many flights did I not bother to register the mileage properly for? All that’s changed. Sure, there might be better programs out there but I’m in love with AmEx. That’s all I have to say about that.
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WordPress: Tags
OK, so I’m barely using categories. But I really like Tags. So I’m going to try and go through this monster and tag everything. But there’s a lot of posts so no promises…
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Blocking Spam Attacks
Various Spam Issues and the Appropriate Steps to Resolve Them: Symptom: Users of the domain are getting a large amount of spam Problem: Spam sucks… Resolution: Outsource spam to MXLogic, Postini, Katharion, etc., limit incoming traffic over port 25 to the IP scheme of the outsourced service and use whatever form of message hygiene is built into the server for a layered approach (eg – Intelligent Messaging Filter in Exchange, Spam Assassin in Mac OS X Mail Server, Kerio Spam rules, etc. Symptom: An IP or domain name is getting flagged as being a spammer although the users do not send spam. Problem: The mail server potentially does…
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When I was a kid…
OK, so not terribly technical, but WTF with the return of 90210 and Knight Rider. I’d much rather it be the A-Team and Airwolf!
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Managing the Keytab with ktutil
clear_list – Clears the current keylist read_kt or rkt – Reads a krb5 keytab into the current keylist read_st or rst – Reads a krb4 srvtab into the current keylist write_kt or wkt – Writes the current key listing into a krb5 keytab write_st or wst – Writes the current key listing to a krb4 srvtab add_entry or addent – Adds an entry to the current key listing delete_entry, delent – Deletes an entry from the current key listing list – Lists the current key listing list_requests or lr – Lists available keys
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Mac OS X: The Dangers of Internet Sharing
There have been a number of occasions when there is a Mac introduced into a freelance type of environment where the Mac has Internet Sharing enabled and using the Internet Sharing feature ends up causing issues on the network due to the DHCP server that is enabled as a part of Internet Sharing. Rogue Access Point detection is one solution that can help to mitigate this risk. D-Link and a number of other vendors have solutions that can be enabled on their switches that disable this type of activity.
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Mac OS X: 2 Factor Authentication
CryptoCARD can be used to provide 2 factor authentication. This can easily be integrated into the VPN server for Mac OS X, although it will take a little while to get integrated into Open Directory. However, it’s cost effective and available for OS X.
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Mac OS X: Zterm
Zterm is a terminal emulation package for the Mac. You can use it to interface with all those damn serial ports.
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Mac OS X: Need Full Disk Encryption?
Check out Check Point FDE for the Mac!
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On the Road: Seattle
When you’re in Seattle don’t use an umbrella. People look at you funny for that…