[Mono-aspnet-list] Unable to bind port 80 without sudo

[Alexander M. Batishchev]

$ xsp --port 80

xsp2

Listening on address: 0.0.0.0

Root directory: /home/godfather/Projects/Test

Error: System.Net.Sockets.SocketException: Access denied

  at System.Net.Sockets.Socket.Bind (System.Net.EndPoint local_end)
[0x00000] in <filename unknown>:0

  at Mono.WebServer.XSPWebSource.CreateSocket () [0x00000] in <filename
unknown>:0

  at Mono.WebServer.ApplicationServer.Start (Boolean bgThread) [0x00000] in
<filename unknown>:0

  at Mono.WebServer.ApplicationServer.Start (Boolean bgThread,
System.Exception initialException) [0x00000] in <filename unknown>:0

  at (wrapper remoting-invoke-with-check)
Mono.WebServer.ApplicationServer:Start (bool,System.Exception)

  at Mono.WebServer.XSP.Server.RealMain (System.String[] args, Boolean root,
IApplicationHost ext_apphost, Boolean quiet) [0x00000] in <filename
unknown>:0

 

But when

 

$ sudo xsp --port 80

xsp2

Listening on address: 0.0.0.0

Root directory: /home/godfather/Projects/Test

Listening on port: 80 (non-secure)

Hit Return to stop the server.

 

Everything works fine. Why can it be?

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