a dynamic DNS client for the afraid.org service
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afraid-dyndns
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README

SYNOPSIS

    This utility implements a client for the afraid.org dynamic DNS service.
    A cron job is set up to check whether the external IP address has
    changed, and when it does, connects to afraid.org and updates the
    DNS entries of all the domains of the given account.

SUPPORTED OPERATING SYSTEMS

   * Fedora
   * CentOS
   * RHEL
   * OSX

INSTALL

    1. log in as root (needed to access config, cron and cache directories):
        # su -
    2. Download the tarball:
        # cd /tmp
        # wget ftp://arix.com/afraid-dyndns-x.x.tar.gz

        on OSX, you can use:
        # curl -O ftp://anon@arix.com/afraid-dyndns-x.x.tar.gz
    3. Untar:
        # tar xzvf afraid-dyndns-x.x.tgz
    4. Install:
        # cd afraid-dyndns-x.x
        # ./install

CONFIGURATION

   To configure, edit the /etc/afraid-dyndns.conf file.

   The AccountHash field refers to the SHA value assigned to your
   afraid.org account.  To get it, log into afraid.org and visit:

	   http://freedns.afraid.org/api/

   then click on either of the "Available API Interfaces" links and take
   the value of the "sha" parameter (it's a long string) from the url.

   The Notify address (if present) will be sent e-mail whenever the
   DNS is refreshed.  CacheFile is the file name where the external
   IP address will be cached.

   Additionally, the cron job checks the external IP address every 15
   minutes.  To modify this, edit /etc/cron.d/afraid-dyndns - on OSX you'll
   need to edit the file /Library/LaunchDaemons/org.afraid.dyndns.plist (and
   reboot)

   Unlink on Linux systems where all names on the account are refreshed with
   the IP of the host, on OSX the default configuration only names matching
   the host's name will be refreshed.  The assumption here is that Linux
   hosts are likely to be used as servers (which may require multiple names
   as in the case of a webserver hosting multiple domains), whereas OSX
   hosts are likely to be used as clients e.g. laptops which we want
   accessible via a domain name but which roam.

	To change this behaviour on OSX, edit the plist, take out the
    hostname parameter (after the --quiet) and reboot.

SYNTAX

   Call the script with --help

LIMITATIONS

   At present, only one account is supported.

AUTHOR/SUPPORT

   Erick Calder <e@arix.com> - For bugs, suggestions, etc. please
   feel free to contact me.