Is there any way to block access to a particular website through the stock Android browser? I'm running Android 2.3 on an HTC Desire S.
If you have root, you can mount the systems partition as editable and edit the hosts file and set the site in question to redirect to 127.0.0.1. This is somewhat complicated voodoo, however, and I wouldn't recommend it if you don't know what I'm talking about already.
However if you don't want to do this manually and have rooted your phone, the app Hosts Editor is a nice little single purpose utility just for this.
If you're up for the voodoo, and have ADB installed: