Monthly Archives: September 2011


17
One recommended way to help secure your Postfix mail server is enabling TLS (Transport Layer Security) for connections to and from Postfix. You can search for more detailed descriptions of exactly how TLS works, but basically it’s a crypotgraphic protocol that allows connections between systems to remain secure. It relies on a key […]

Configure Postfix TLS with a Free StartSSL Certificate



Home Depot Credit Card 14
I shop at the Home Depot. A lot. And, as I do with absolutely every purchase possible, I used to always pay with my American Express Centurion Card (Membership Rewards points + hassle-free purchase protection). And, every time, as I’m sure Home Depot’s company policies dictate, the cashier would ask “Would you […]

Why I’m Canceling my Home Depot Credit Card



Amazon CloudFront 7
I found a great post by Clay Loveless who wrote a PHP script to batch invalidate files files on an Amazon Web Services CloudFront distribution. You rock, Clay. Amazon doesn’t even let us do that (yet?) via the AWS Mangament Console. Until now, when I wanted to manually invalidate a […]

Simple CloudFront Invalidation of a Single File via HTTP



Google Favicon 4
If you try to access the URL of your favicon.ico directly (http://example.com/favicon.ico) and your browser opens a “Save As” window instead of just displaying it, then your Apache isn’t set up to properly deliver the .ico file type. Add this line to your httpd.conf file: AddType image/x-icon .ico Don’t forget […]

Favicon.ico not loading? Add an AddType



4
This is one of those blog posts that’s more written for my own benefit to refer to later than for the benefit of the Web-at-large, but if someone else happens to stumble upon it and it helps you out, then cool. 🙂 I had to migrate a Fedora box (the […]

How to set up two NICs on different subnets with ...