APT_AUTH.CONF(5)



APT_AUTH.CONF(5)                      APT                     APT_AUTH.CONF(5)

NAME
       apt_auth.conf - Login configuration file for APT sources and proxies

DESCRIPTION
       APT configuration files like sources.list(5) or apt.conf(5) need to be
       accessible for everyone using apt tools on the system to have access to
       all package-related information like the available packages in a
       repository. Login information needed to connect to a proxy or to
       download data from a repository on the other hand shouldn't always be
       accessible by everyone and can hence not be placed in a file with
       world-readable file permissions.

       The APT auth.conf file /etc/apt/auth.conf, and .conf files inside
       /etc/apt/auth.conf.d can be used to store login information in a
       netrc-like format with restrictive file permissions.

NETRC-LIKE FORMAT
       The format defined here is similar to the format of the ~/.netrc file
       used by ftp(1) and similar programs interacting with servers. It is a
       simple token-based format with the following tokens being recognized;
       Unknown tokens will be ignored. Tokens may be separated by spaces, tabs
       or newlines.

       machine [protocol://]hostname[:port][/path]
           Entries are looked up by searching for the machine token matching
           the hostname of the URI apt needs login information for. Extending
           the netrc-format a portnumber can be specified. If no port is given
           the token matches for all ports. Similar the path is optional and
           only needed and useful if multiple repositories with different
           login information reside on the same server. A machine token with a
           path matches if the path in the URI starts with the path given in
           the token. Once a match is made, the subsequent tokens are
           processed, stopping when the end of file is reached or another
           machine token is encountered.

           If protocol is not specified, the entry only matches https and
           tor+https.

       login name
           The username to be used.

       password string
           The password to be used.

EXAMPLE
       Supplying login information for a user named apt with the password
       debian for the sources.list(5) entry

           deb https://example.org/debian buster main

       could be done in the entry directly:

           deb https://apt:debian@example.org/debian buster main

       Alternatively an entry like the following in the auth.conf file could
       be used:

           machine example.org
           login apt
           password debian

       Or alternatively within a single line:

           machine example.org login apt password debian

       If you need to be more specific all of these lines will also apply to
       the example entry:

           machine example.org/deb login apt password debian
           machine example.org/debian login apt password debian
           machine example.org/debian/ login apt password debian

       On the other hand neither of the following lines apply:

           machine example.org:443 login apt password debian
           machine example.org/deb/ login apt password debian
           machine example.org/ubuntu login apt password debian
           machine example.orga login apt password debian
           machine example.net login apt password debian

NOTES
       Basic support for this feature is present since version 0.7.25, but was
       undocumented for years. The documentation was added in version 1.5
       changing also the implementation slightly. For maximum backward
       compatibility you should avoid multiple machine tokens with the same
       hostname, but if you need multiple they should all have a path
       specified in the machine token.

       Login information in auth.conf are more flexible than those in
       sources.list. For example, login information can be specified for parts
       of a repository only, or if the sources.list entry redirects elsewhere,
       login information for the redirect destination can be supplied.

FILES
       /etc/apt/auth.conf
           Login information for APT sources and proxies in a netrc-like
           format. Configuration Item: Dir::Etc::netrc.

       /etc/apt/auth.conf.d/*.conf
           Login information for APT sources and proxies in a netrc-like
           format. Configuration Item: Dir::Etc::netrcparts.

SEE ALSO
       apt.conf(5) sources.list(5)

BUGS
       APT bug page[1]. If you wish to report a bug in APT, please see
       /usr/share/doc/debian/bug-reporting.txt or the reportbug(1) command.

AUTHOR
       APT team

NOTES
        1. APT bug page
           http://bugs.debian.org/src:apt

APT 2.1.7                      02 December 2019               APT_AUTH.CONF(5)

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