Technology Insights

Windows XP: Figure Out What Service is Running on a Specific Port

Finding out what application is running on a specific port in Windows XP is easy by using two command line utilities. By using netstat with the proper switches you can list out all of the ports that are being used and then use Tasklist to list all of the applications that are running. The combination of the two utilities will allow you to figure out which application us using which port. As an example you can use the below directions to figure out what application is using port 80 for instance.

  1. Open Command Prompt: Click Start in the lower left hand corner of your PC and then select Run from the pop up. Type command in the Run window and click Enter to open up the command prompt.

Technology Errors

FireFox: Error code: sec_error_untrusted_issuer

You may receive the below error in FireFox when attempting to add a SSL certificate security exception. If you do follow the below steps to be able to actually add the security exception.

Error:
server.example.com:443 uses an invalid security certificate.
The certificate is not trusted because it is self signed.
(Error code: sec_error_untrusted_issuer)

Technology Insights

How to Add a Secondary IP Address to a SliceHost VPS

First off you can add multiple IP’s to each SliceHost VPS. Adding the secondary IP address to a SliceHost Virtual Private Server (VPS) is easy. Open the SliceManager control panel and click the Help tab to open a support ticket. In the ticket state that you want a secondary IP, the justification for it, and that you understand it will cost $2/month. Typically support responds very quickly and will configure the secondary IP address for you.

Typical justification would be that you are running a web server and need to have multiple SSL certificates.