My webserver is no longer accessible from the Internet and I need to check which ports are opened or need to open ports on my webserver running on Windows 2000 Server. Can someone tell me how to do this. I have already had ports 43 and 443 opened up by the ISP. To get to the site it is https://.

Try to use the netstat -a command that displays all connections and listening ports. This article should help. This posting is provided "AS IS" with no warranties or guarantees , and confers no rights. Microsoft Student Partner Microsoft Certified Professional Microsoft Certified Systems Administrator: Security Microsoft Certified Systems Engineer: Security Microsoft Certified Technology Specialist: Windows Server 2008 Active Directory, Configuration Microsoft Certified Technology Specialist: Windows Server 2008 Network Infrastructure, Configuration

Hi, Thanks for posting here. Could you discuss in detail how this server connected to internet ? Is there any internet connectivity issue right now? Meanwhile , GUI utility TCPView could help you to achieve the goal. TCPView http://technet.microsoft.com/en-us/sysinternals/bb897437 For more information please refer to the link below: Service overview and network port requirements for the Windows Server system http://support.microsoft.com/kb/832017 HOW TO: Publish a Web Server on a Perimeter Network http://support.microsoft.com/kb/313562 Thanks. Tiger LiPlease remember to click Mark as Answer on the post that helps you, and to click Unmark as Answer if a marked post does not actually answer your question. This can be beneficial to other community members reading the thread.