#200 rdesktop and Vista build 5381

v1.7.1
open
nobody
None
5
2012-11-29
2006-05-22
Anonymous
No

I used rdesktop to connect to the latest Windows Vista
(build 5381), and got the following error.

ERROR: modulus len 0x108
ERROR: send: Connection reset by peer
Broken pipe

I believe this is related to encryption.

Discussion

  • Jeroen Meijer

    Jeroen Meijer - 2006-05-22

    Logged In: YES
    user_id=850718

    You have to clear the 'Allow connections only from computers
    running Windows Vista' check box in the Remote Desktop
    configuration of your Vista computer. Network Level
    Authentication is not available in rdesktop (yet).

     
  • Nobody/Anonymous

    Logged In: NO

    It fails with that error even when that policy is not checked.

     
  • Ilya Konstantinov

    Logged In: YES
    user_id=335423

    This seems to give a hint about the reason for this issue:
    http://beuchelt.blogdns.net:8080/CommentView,guid,2e8c092f-da8b-4321-a43a-96c8ddb25908.aspx

    I really wonder why they didn't report it here, especially
    that someone seems to have already analyzed the problem :/

     
  • Matt Chapman

    Matt Chapman - 2006-06-14

    Logged In: YES
    user_id=60189

    Wow, it actually prints a useful error message, albeit
    slightly cryptic to the layperson :) Vista is sending a
    2048-bit public key and rdesktop assumes 512 bits.

    I've committed a couple of Vista fixes to CVS, including one
    for this issue... rdesktop now works fine for me with Vista
    Beta 2.

     
  • Nobody/Anonymous

    Logged In: NO

    Another person who had this problem. I tested a snapshot on
    2006-06-15 around 2:30PM EST or so and I can now connect to
    vista but for some reason I can only use 24 bit color depth.
    Using -a 8 or -a 16 gives the error below. Using the
    official released version of the client I don't get that
    error but I can't connect with it of course.

    X Error of failed request: BadValue (integer parameter out
    of range for operation)
    Major opcode of failed request: 78 (X_CreateColormap)
    Value in failed request: 0x105
    Serial number of failed request: 8
    Current serial number in output stream: 9

     
  • Nobody/Anonymous

    Logged In: NO

    I can not get rdesktop to work with Windows Vista pre-RC1
    build 5536.

    I made the suggested SEC_MODULUS change and recompiled the
    source with no luck.

    It just sits there at a black screen.

    Any thoughts?

    Thanks

    Paul
    paul@metropc.ca

     
  • Nobody/Anonymous

    Logged In: NO

    I have Vista business (with msdna) and I have a problem too :

    ERROR: modulus len 0x108
    ERROR: Connection closed
    ERROR: send: Broken pipe

    =/

     
  • Nobody/Anonymous

    Logged In: NO

    I just discovered this bug after getting a new work PC with Vista. This is going to be a problem since my main desktop at the house uses rdesktop to connect. Is there any new timeline?

     
  • Nobody/Anonymous

    so you are saying that after 2 1/2 years they still havent been able to fix rdp for vista ? lol

     
  • Nobody/Anonymous

    This problem is so annoying. I am very close to using DSLinux as a thin client, but the rdesktop software doesn't work with Windows 7 or Vista.

     
  • Nobody/Anonymous

    Believe the issue now is with Network Level Authentication on Windows Server 2008. Has anyone seen plans for rdesktop to support this?

     
  • Nobody/Anonymous

    I also facing the same issue any solutions to resolve please anybody it will be helpful to us

     

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