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  1. #1

    Error 421 Service not available

    hi experts
    When i am trying to connect to ftp, browser shows me error
    Error 421 Service not available, closing control connection

    this problem comes at home but not in office. I am able to access my ftp a/c with same user name and password but in home it i got the error.

    Please can i solve that issue

  2. #2
    Join Date
    Dec 2002
    chica go go
    Do you have root on the server that the ftp daemon is hosted at? If so, what ftp daemon are you running? Also, if you do have root, is this a vps, or dedicated server? yes, it does matter.

  3. #3
    It's most likely you are behind a firewall (your ISP or your router). Try using the "passive" mode of your FTP client.

  4. #4
    Join Date
    Apr 2005
    Could you paste the result of telnet command

    telnet serverip 21
    Sam - Expertise in Windows/Linux server support, IaaS and PaaS Management - Custom Software Development
    Email: exec @ | Skype: unni_active

  5. #5
    also check your 'home' computer's firewall settings

  6. #6
    Fist i had taken shared hosting then after two days i applied dedicated ip address to that domain from the same hosting company.

  7. #7
    I don't know about telnet, how to use telnet command please help

  8. #8
    What i have to check in my firewall settings. Please help

  9. #9
    i have typed telnet command in CMD like
    telnet myserver ip 21
    it showed two error
    1- 530 connection refused, unknown IP address
    2- 421 service not available, closing control connection

    please help me how to solve this problem.

  10. #10
    Join Date
    Dec 2002
    chica go go
    Answer my question.

  11. #11
    "unknown IP address"? Could you access http://your.server.ip.address from your browser? Could you show us your server IP address?
    Freelancer, Sys Admin

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