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CLIENT.CONF - reference manual online

Client configuration file for cups (deprecated).

Chapter
CUPS
client.conf(5)                              Apple Inc.                             client.conf(5)

NAME client.conf - client configuration file for cups (deprecated)
DESCRIPTION The client.conf file configures the CUPS client and is normally located in the /etc/cups and/or ~/.cups directories. Each line in the file can be a configuration directive, a blank line, or a comment. Comment lines start with the # character. Note: Starting with OS X 10.7, this file is only used by command-line and X11 applications plus the IPP backend. The ServerName directive is not supported on OS X at all. DIRECTIVES The following directives are understood by the client. Consult the online help for detailed descriptions: AllowAnyRoot Yes AllowAnyRoot No Specifies whether to allow TLS with certificates that have not been signed by a trusted Certificate Authority. The default is "Yes". AllowExpiredCerts Yes AllowExpiredCerts No Specifies whether to allow TLS with expired certificates. The default is "Yes". Encryption IfRequested Encryption Never Encryption Required Specifies the level of encryption that should be used. GSSServiceName name Specifies the Kerberos service name that is used for authentication, typically "host", "http", or "ipp". CUPS adds the remote hostname ("@server.example.com") for you. The default name is "http". ServerName hostname-or-ip-address[:port] ServerName /domain/socket Specifies the address and optionally the port to use when connecting to the server. Note: This directive it not supported on OS X 10.7 or later. ServerName hostname-or-ip-address[:port]/version=1.1 Specifies the address and optionally the port to use when connecting to a server run‐ ning CUPS 1.3.12 and earlier. SSLOptions [AllowDH] [AllowRC4] [AllowSSL3] [DenyTLS1.0] SSLOptions None Sets encryption options (only in /etc/cups/client.conf). By default, CUPS only sup‐ ports encryption using TLS v1.0 or higher using known secure cipher suites. The AllowDH option enables cipher suites using plain Diffie-Hellman key negotiation. The AllowRC4 option enables the 128-bit RC4 cipher suites, which are required for some older clients that do not implement newer ones. The AllowSSL3 option enables SSL v3.0, which is required for some older clients that do not support TLS v1.0. The DenyTLS1.0 option disables TLS v1.0 support - this sets the minimum protocol version to TLS v1.1. User name Specifies the default user name to use for requests. ValidateCerts Yes ValidateCerts No Specifies whether to only allow TLS with certificates whose common name matches the hostname. The default is "No".
NOTES The client.conf file is deprecated and will no longer be supported in a future version of CUPS.
SEE ALSO cups(1), CUPS Online Help (http://localhost:631/help)
19 May 2015 CUPS client.conf(5)
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client.conf(5) referred by
refer to cups(1)