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TESTPARM(1) User Commands TESTPARM(1) NAME testparm - check an smb.conf configuration file for internal correctness SYNOPSIS testparm [-s|--suppress-prompt] [-v|--verbose] [-?|--help] [--usage] [-d|--debuglevel=DEBUGLEVEL] [--debug-stdout] {config filename} [host- name hostIP] DESCRIPTION This tool is part of the samba(7) suite. testparm is a very simple test program to check an smbd(8) configuration file for internal correctness. If this program reports no problems, you can use the configuration file with confidence that smbd will successfully load the configuration file. Note that this is NOT a guarantee that the services specified in the con- figuration file will be available or will operate as expected. If the optional host name and host IP address are specified on the command line, this test program will run through the service entries reporting whether the specified host has access to each service. If testparm finds an error in the smb.conf file it returns an exit code of 1 to the calling program, else it returns an exit code of 0. This allows shell scripts to test the output from testparm. OPTIONS -s|--suppress-prompt Without this option, testparm will prompt for a carriage return after printing the service names and before dumping the service definitions. -v|--verbose If this option is specified, testparm will also output all options that were not used in smb.conf(5) and are thus set to their defaults. --parameter-name parametername Dumps the named parameter. If no section-name is set the view is lim- ited by default to the global section. It is also possible to dump a parametrical option. Therefore the option has to be separated by a colon from the parametername. --section-name sectionname Dumps the named section. --show-all-parameters Show the parameters, type, possible values. -l|--skip-logic-checks Skip the global checks. -?|--help Print a summary of command line options. --usage Display brief usage message. -d|--debuglevel=level level is an integer from 0 to 10. The default value if this parameter is not specified is 1 for client applications. The higher this value, the more detail will be logged to the log files about the activities of the server. At level 0, only critical errors and serious warnings will be logged. Level 1 is a reasonable level for day-to-day running - it generates a small amount of information about operations carried out. Levels above 1 will generate considerable amounts of log data, and should only be used when investigating a problem. Levels above 3 are designed for use only by developers and generate HUGE amounts of log data, most of which is extremely cryptic. Note that specifying this parameter here will override the log level parameter in the /usr/local/etc/smb4.conf file. --debug-stdout This will redirect debug output to STDOUT. By default all clients are logging to STDERR. --configfile=<configuration file> The file specified contains the configuration details required by the client. The information in this file can be general for client and server or only provide client specific like options such as client smb encrypt. See /usr/local/etc/smb4.conf for more information. The default configuration file name is determined at compile time. --option=<name>=<value> Set the smb.conf(5) option "<name>" to value "<value>" from the command line. This overrides compiled-in defaults and options read from the configuration file. If a name or a value includes a space, wrap whole --option=name=value into quotes. -V|--version Prints the program version number. configfilename This is the name of the configuration file to check. If this parameter is not present then the default smb.conf(5) file will be checked. hostname If this parameter and the following are specified, then testparm will examine the hosts allow and hosts deny parameters in the smb.conf(5) file to determine if the hostname with this IP address would be allowed access to the smbd server. If this parameter is supplied, the hostIP parameter must also be supplied. hostIP This is the IP address of the host specified in the previous parameter. This address must be supplied if the hostname parameter is supplied. FILES smb.conf(5) This is usually the name of the configuration file used by smbd(8). DIAGNOSTICS The program will issue a message saying whether the configuration file loaded OK or not. This message may be preceded by errors and warnings if the file did not load. If the file was loaded OK, the program then dumps all known service details to stdout. For certain use cases, SMB protocol requires use of cryptographic algo- rithms which are known to be weak and already broken. DES and ARCFOUR (RC4) ciphers and the SHA1 and MD5 hash algorithms are considered weak but they are required for backward compatibility. The testparm utility shows whether the Samba tools will fall back to these weak crypto algorithms if it is not possible to use strong cryptography by default. In FIPS mode weak crypto cannot be enabled. VERSION This man page is part of version 4.23.8 of the Samba suite. SEE ALSO smb.conf(5), smbd(8) AUTHOR The original Samba software and related utilities were created by Andrew Tridgell. Samba is now developed by the Samba Team as an Open Source project similar to the way the Linux kernel is developed. Samba 4.23.8 08/01/2026 TESTPARM(1)
NAME | SYNOPSIS | DESCRIPTION | OPTIONS | FILES | DIAGNOSTICS | VERSION | SEE ALSO | AUTHOR
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