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  1. #1
    Join Date
    May 2002
    Posts
    55

    How to enable/disable chmod via ftp?

    Can anyone tell me what is configured on the server to enable or disable changing file permissions when using an ftp client? I know most servers allow changing file permissions via ftp, but a few allow it only via ssh or telnet. How is this done?

  2. #2
    It'll be in your FTP daemons configuration file. Which FTP server and version are you running?

  3. #3
    Join Date
    May 2002
    Posts
    55
    Thanks chirpy. I believe it's standard ftp on Solaris.

  4. #4
    Join Date
    Dec 2000
    Location
    San Diego, CA
    Posts
    1,571
    In reality, it's much more secure to disable FTP entirely. Passwords are sent in the clear, meaning if someone's intercepting your connection between you and the server, they could have enough information to hack your account.

    Secure FTP (kinda like FTP over SSH) can be used instead. However, that isn't really practical most of the time, depending on how much experience you have with administration. SSH also has its own issues, but they are much different; most of the issues are either buffer overrun attacks of some kind or a fradulent customer who uses their SSH account to launch attacks from the server or gain root access.

    As for your question though, I don't think that's a seperate thing that can be configured (at least on ProFTPd). Someone prove me wrong, please
    -Mooneer
    Thoughtbug Software: Hosting shouldn't require any thought.
    Legitimate host? Support the Code of Ethical Conduct

  5. #5
    No, you can in proftpd

    If you edit /etc/proftpd.conf and do the following:

    If your version is lower than 1.2.4 add within (e.g.) the <Global></Global> directive:
    AllowChmod off

    If your version is equal to or higher than 1.2.4 add within (e.g.) the <Global></Global> directive:
    <Limit SITE_CHMOD>
    DenyAll
    </Limit>

  6. #6
    Join Date
    May 2002
    Posts
    55
    I'll give that a try... thanks!

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