Re: IP-Banning

On Mon, 2004-08-23 at 11:24, Daniel Schierbeck wrote: > Hi there, > I'm writing a script that'll enable me to ban certain IP-addresses from > a site, and i have a qouple of questions: > > 1. When inserting the IP into the database (probably MySQL), should > i use the dotted- or the long-type? ip2long() and long2ip() are useful in reducing the amount of data you must store. If you use those PHP functions a 15 char ip address string can be stored as a 4 byte signed int in MySQL, a savings of up to 11 bytes per address. Postgres has native types for IPs however. > 2. What is the best way to ban IP ranges? There are several packages in PEAR for use with IPs: http://pear.php.net/packages.php?catpid=16&catname=Networking -- Greg Donald