Coder, Entrepreneur, Blogger, and Coffee Addict
Monthly Archives: May 2008
← Older posts Newer posts →Using PHP to Accept Only Numbers From User Input
Almost all website attacks are caused by developers failing to sanitize user input. The standard security practice for handling user input is to “whitelist” it. Whitelisting converts ANY user input into the expected data type. For example if the input … Continue reading
Posted in PHP | 5 CommentsCreating a Secure Md5 Hash for Storing Passwords in a Database
Often times we, as developers are required to create authentication systems. When developing an authentication system it is always best to make it as secure as possible. One of the problems that arise when creating an authentication system is storing … Continue reading
Posted in PHP, Security | Tagged Md5, PHP, Security | 6 CommentsWeekend Link Roundup: Week 8
Stupid Ubuntu tricks: 5 Steps for resetting a forgotten password – I prefer to use a live cd and use this method but I had a friend that forget his Ubuntu username password the other day and he didn’t have … Continue reading
Posted in Uncategorized | Comments OffFinding the Lowest or Highest Number with PHP
Recently I was writing a script and ran into a problem. I needed to compare a set of numbers and find the lowest one. Now, at first I thought that I could compare each one with if statements but I … Continue reading
Posted in PHP | Tagged PHP | Comments OffI Received my PayPal SecureKey Today
Well, today I received my Paypal SecurityKey. I have been really excited to try this device and I have been anxiously waiting for its arrival. Today I finally received it and overall I really like it and I am glad … Continue reading
Posted in Security | Tagged Multi-factor Authentication, Paypal, Security, SecurityKey, Verisign | 5 CommentsCalculating USPS Shipping Rates with PHP
If you have a custom shopping cart and you want to calculate actual shipping rates from USPS this is the post for you. After giving up searching the internet for PHP scripts or examples of implementing USPS rates I decided … Continue reading
Posted in PHP | Tagged PHP, USPS | 87 Comments5 Things you Need to Know When Switching to Linux
1. Everything in Linux is a file, even your hard drives. (dev/hda1) No c:/ stuff. Linux is based on a directory system which is all contained in ‘/‘, aka root. The ‘slash’ is very important, for example, /mnt will start … Continue reading
Posted in Linux, Uncategorized | Tagged Linux | 1 CommentWeekend Link Roundup: Week 7
Hackers try to cause seizures on epilepsy site – Wow… just, wow… Computer security may now be life threatening. This is a very scary. Compiz Fusion Truly Spherical Desktop View Arrives! – Another cool effect is released for Compiz. This … Continue reading
Posted in Links, Uncategorized | Comments Off← Older posts Newer posts →