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.NET HttpListener Prefix issue with anything other than localhost

I'm trying to use C# and HttpListener with a prefix of anything other than localhost and it fails (i.e. if I give it server1, i.e.

http://localhost:1234 works, but

http://server1:1234 fails

The code is...

HttpListener listener = new HttpListener();
String prefix = @"http://server1:1234";
listener.Prefixes.Add(prefix);
listener.Start();

The failure occurs on listener.Start() with an exception of Access is denied..

like image 947
jchristner Avatar asked Apr 02 '10 01:04

jchristner


1 Answers

I had the same issue once and i solved it by adding an URL reservation for the specified URL namespace for a user/users to the Network Shell (netsh). Here's an example on how to reserv an URL for every user, run this in the command prompt as an administrator:

netsh http add urlacl url=http://server1:1234/ user=Everyone

Here's an example on how reserv an URL for one user, run this in the command prompt as an administrator:

netsh http add urlacl url=http://server1:1234/ user=Steve

In this way you don't need to run the application as an administrator

like image 51
ClydeFrog Avatar answered Oct 09 '22 22:10

ClydeFrog