Is there a program/script that will help me in licensing a product? I would like to be able to put a snippet of code on everypage and have it check against a file on my server for a license key/serial number and if not, then display a message that it is unregistered. I am looking for ASP or Javascript.

Hello,
Are you trying to project your applet with a serial number
?

I am trying to protect an asp/html page/pages with a sn which would be input into the database by the customer. If the correct sn is not there, the an error message will show or an unregistered logo or something.

Not exactly sure how you would do this, but one thing to consider on this...

if your website/db server is ever down, people might get pretty upset that their software isn't working, especially if they have purchased it.

Just a thought...

I just want it to check once, then if the sn is valid...set another licensekeyfield to true (database will be locked) and then once they are up and running, the license key will be removed from my server. If they need to reinstall, they'd have to get another key.

I actually have a product that does this coded in PHP and using sockets to verify the key. It's not a good idea to verify the key on every page, but rather once at login or something similar to that.

Here's a good summary of how we did it:
http://phpaudit.us/key_validation.php

Hi,

Thanks. Can I go monthly and then switch to owned after a while??? ...and seamlessly???

...oh nevermind...I see it on the site...thanks. so will the fu;; version run from my server or yours?

Hi,

Thanks. Can I go monthly and then switch to owned after a while??? ...and seamlessly???

Yes, the switch would be handled internally - no changes on your end. If you upgrade to owned within the first 6 months of your lease it's pro-rated. So for example, if you've paid for 5 mos. @ $100 then you decide to go full version you only have to pay $149. Hope that made sense.

Hi,

Thanks. Can I go monthly and then switch to owned after a while??? ...and seamlessly???

...oh nevermind...I see it on the site...thanks. so will the fu;; version run from my server or yours?

It's runs on your server. There is a link on the site to download a trial version that you can install to give it a test drive.

oh... it's linux/unix. Thanks but I'm on NT, nice product though.