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<h1 class="title">client.conf(5)</h1>
<h2 class="title"><a name="NAME">Name</a></h2>
client.conf - client configuration file for cups (deprecated)
<h2 class="title"><a name="DESCRIPTION">Description</a></h2>
The <b>client.conf</b> file configures the CUPS client and is normally located in the <i>/etc/cups</i> and/or <i>~/.cups</i> directories.
Each line in the file can be a configuration directive, a blank line, or a comment. Comment lines start with the # character.
<p><b>Note:</b> Starting with OS X 10.7, this file is only used by command-line and X11 applications plus the IPP backend.
The <b>ServerName</b> directive is not supported on OS X at all.
<h3><a name="DIRECTIVES">Directives</a></h3>
The following directives are understood by the client. Consult the online help for detailed descriptions:
<dl class="man">
<dt><b>AllowAnyRoot Yes</b>
<dd style="margin-left: 5.0em"><dt><b>AllowAnyRoot No</b>
<dd style="margin-left: 5.0em">Specifies whether to allow TLS with certificates that have not been signed by a trusted Certificate Authority.
The default is "Yes".
<dt><b>AllowExpiredCerts Yes</b>
<dd style="margin-left: 5.0em"><dt><b>AllowExpiredCerts No</b>
<dd style="margin-left: 5.0em">Specifies whether to allow TLS with expired certificates.
The default is "Yes".
<dt><b>Encryption IfRequested</b>
<dd style="margin-left: 5.0em"><dt><b>Encryption Never</b>
<dd style="margin-left: 5.0em"><dt><b>Encryption Required</b>
<dd style="margin-left: 5.0em">Specifies the level of encryption that should be used.
<dt><b>GSSServiceName </b><i>name</i>
<dd style="margin-left: 5.0em">Specifies the Kerberos service name that is used for authentication, typically "host", "http", or "ipp".
CUPS adds the remote hostname ("name@server.example.com") for you. The default name is "http".
<dt><b>ServerName </b><i>hostname-or-ip-address</i>[<i>:port</i>]
<dd style="margin-left: 5.0em"><dt><b>ServerName </b><i>/domain/socket</i>
<dd style="margin-left: 5.0em">Specifies the address and optionally the port to use when connecting to the server.
<b>Note: This directive it not supported on OS X 10.7 or later.</b>
<dt><b>ServerName </b><i>hostname-or-ip-address</i>[<i>:port</i>]<b>/version=1.1</b>
<dd style="margin-left: 5.0em">Specifies the address and optionally the port to use when connecting to a server running CUPS 1.3.12 and earlier.
<dt><b>SSLOptions </b>[<i>AllowDH</i>] [<i>AllowRC4</i>] [<i>AllowSSL3</i>] [<i>DenyTLS1.0</i>]
<dd style="margin-left: 5.0em"><dt><b>SSLOptions None</b>
<dd style="margin-left: 5.0em">Sets encryption options (only in /etc/cups/client.conf).
By default, CUPS only supports encryption using TLS v1.0 or higher using known secure cipher suites.
The <i>AllowDH</i> option enables cipher suites using plain Diffie-Hellman key negotiation.
The <i>AllowRC4</i> option enables the 128-bit RC4 cipher suites, which are required for some older clients that do not implement newer ones.
The <i>AllowSSL3</i> option enables SSL v3.0, which is required for some older clients that do not support TLS v1.0.
The <i>DenyTLS1.0</i> option disables TLS v1.0 support - this sets the minimum protocol version to TLS v1.1.
<dt><b>User </b><i>name</i>
<dd style="margin-left: 5.0em">Specifies the default user name to use for requests.
<dt><b>ValidateCerts Yes</b>
<dd style="margin-left: 5.0em"><dt><b>ValidateCerts No</b>
<dd style="margin-left: 5.0em">Specifies whether to only allow TLS with certificates whose common name matches the hostname.
The default is "No".
</dl>
<h2 class="title"><a name="NOTES">Notes</a></h2>
The <b>client.conf</b> file is deprecated and will no longer be supported in a future version of CUPS.
<h2 class="title"><a name="SEE_ALSO">See Also</a></h2>
<a href="man-cups.html?TOPIC=Man+Pages"><b>cups</b>(1),</a>
CUPS Online Help (<a href="http://localhost:631/help">http://localhost:631/help</a>)
<h2 class="title"><a name="COPYRIGHT">Copyright</a></h2>
Copyright © 2007-2015 by Apple Inc.
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