Server local localhost port pass, walk IP address of the port is not a workaround

today to help a netizen solved a problem about the port, their company developed a set of software needs to move to another server above, and then all set up and found that the login software error, Check that the walk 192.168.1.1:8080 not pass, try to modify into localhost:8080 can log on locally, but this remote cannot access.

Check that the system has shut down the firewall, there is no anti-virus software and other port restrictions, Telnet attempt to confirm that the IP address 8080 port does not pass. That's weird. LocalHost can pass, IP address of the non-pass, and no firewall, antivirus software restrictions, there are other system policies can be limited? Then search his system version of Windows Server2003 (good old system Ah, it's been 2016 years!) ), and found that there was a self-shielded port setting:

using the TCP/IP filtering service that comes with Windows 2000, Windows XP, Windows Server 2003, you can limit the ports. Here's how:

    The first step, right-click the network connection for the LAN connection and open the Network Connection Properties dialog box.

     The second step, select "Internet Protocol (TCP/IP)" in the "General" entry, and then click on the "Properties" button below. Click the Advanced button in the Internet Protocol (TCP/IP) Properties window, select the options item in the Advanced TCP/IP Settings window that pops up, and then click the Properties button below to bring up the TCP/IP filtering window. Through the "Allow only" box in the window, add "TCP", "UDP", "IP" and other network protocols to allow the port, the setup will need to restart after completion. You can block out all ports without the need to provide a variety of services.

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Think of this option as a pit-daddy.

This article from the "Technology" blog, declined to reprint!

Server local localhost port pass, walk IP address of the port is not a workaround