My problem is that the Default Web Site can be opened from the server machine (localhost), but cannot be opened from a test machine (which is in the same LAN). Netstat says that IIS 7.5 is listening on WireShark shows that the browser on the test machine emits three TCP SYN packets, and these packets reach the web server, but there is no SYN-ACK (etc).

What am I doing wrong? Thank you for your help.


What about connection from localhost, but on external lan card IP? Is not problem with firewall on IIS machine?

  • Thanks! I forgot to allow "World Wide Web Services (HTTP)" in the firewall settings of the web server. – kol Apr 3 '13 at 20:32

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