New site This function access to the external network can not access the workaround

New site This function access to the external network can not access the workaround

before with a few people to a certain institution to use the company's newly developed a framework to build a website, in the local area network test run after 20 days after the customer's request to post to the public network, there has been an inaccessible problem.

(Other like the record, domain name, independent IP, etc. have all been done before, through the external network access when the port is open, firewall and other factors are not considered)

  Server environment

WinServer2008 + IIS7

  Problem description

Can ping through, the machine can be accessed, the external network is inaccessible.

  Workaround

Because the site was just released when the use of 80 port, through the Internet to understand the relevant information is: 80 port is closed by default needs to contact the network operator to open 80 port. So I used the other port test, the results found still no, the server and the client are deployed separately, found that the server can be normal access, its editing site binding "IP Address" selected is all unassigned.

After the change, the client will be able to access through the extranet.

  Questions

Why not write the IP address directly, select All unassigned on the line? When you select "All Unassigned" will automatically use the computer's IP but I write the IP is also written when the computer IP (because the server is only using a network card so you can think that the two points to the same IP address), why the former line, the latter not?

Next !

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New site This function access to the external network can not access the workaround