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Error Code: 502 Proxy Error

    Question

  • I m trying to allow access to a ftp website for my users.

    but this is the error message i get from my TMG 2010.

    • Error Code: 502 Proxy Error. Forefront TMG denied the specified Uniform Resource Locator (URL). (12202)
    • IP Address: 172.28.5.67
    • Date: 9/6/2011 6:05:18 AM [GMT]
    • Server: tmg2010.domain.corp
    • Source: proxy

     

    the access is created under allow web access for all users -

    allow FTP, HTTP

    From - internal

    To - external, ftp://ftp.impactbbdo.ae/

    Conditions - all users.

    is my access rule correct ?

     


    • Edited by yeowkm Tuesday, September 06, 2011 6:05 AM
    Tuesday, September 06, 2011 6:00 AM

All replies

  • Try enable logging. Do the packets match the rule?

    • Edited by 9RAY Tuesday, September 06, 2011 6:14 AM
    Tuesday, September 06, 2011 6:03 AM
  • Hi !

    Try FTP over HTTP to add in same condition from INTERNAL -> to EXTERNAL -> ALL USERS.

    Also check yours FTP SERVER and services. I try to access to  ftp://ftp.impactbbdo.ae/ but nothing.

    Later i try to access to the  impactbbdo.ae and i see authentication for this (Username and Password).


    Best regards Abdagic Ahmet Disclaimer: This posting is provided AS-IS with no warranties or guarantees and confers no rights.
    • Proposed as answer by Ahmet Abdagic Tuesday, September 06, 2011 6:42 AM
    Tuesday, September 06, 2011 6:40 AM
  • the ftp server do not belong to my organization.

    when i tried ftp over http

    this is the error i get.

    Technical Information (for support personnel)

    • Error Code 10061: Connection refused
    • Background: The server you are attempting to access has refused the connection with the gateway. This usually results from trying to connect to a service that is inactive on the server.
    • Date: 9/6/2011 9:55:55 AM [GMT]
    • Server:  tmg2010.domain.corp
    • Source: Remote server

    no issue with the ftp site if i do not use my company proxy. eg mobile boardband.

    Tuesday, September 06, 2011 9:55 AM
  •  

    Hi,

     

    Thank you for the post.

     

    If you log on to the FTP server by including a user name and a password in the URL. Use this format: ftp://User_Name:Password@FTP_Server, does it work?

     

    Regards,


    Nick Gu - MSFT
    Tuesday, September 13, 2011 2:53 AM