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############################################################################# # # Sample NRPE Config File # # Notes: # # This is a sample configuration file for the NRPE daemon. It needs to be # located on the remote host that is running the NRPE daemon, not the host # from which the check_nrpe client is being executed. # ############################################################################# # LOG FACILITY # The syslog facility that should be used for logging purposes. log_facility=daemon # LOG FILE # If a log file is specified in this option, nrpe will write to # that file instead of using syslog. #log_file=/var/run/nrpe.log # DEBUGGING OPTION # This option determines whether or not debugging messages are logged to the # syslog facility. # Values: 0=debugging off, 1=debugging on debug=0 # PID FILE # The name of the file in which the NRPE daemon should write it's process ID # number. The file is only written if the NRPE daemon is started by the root # user and is running in standalone mode. pid_file=/run/nrpe/nrpe.pid # PORT NUMBER # Port number we should wait for connections on. # NOTE: This must be a non-privileged port (i.e. > 1024). # NOTE: This option is ignored if NRPE is running under either inetd or xinetd server_port=5666 # SERVER ADDRESS # Address that nrpe should bind to in case there are more than one interface # and you do not want nrpe to bind on all interfaces. # NOTE: This option is ignored if NRPE is running under either inetd or xinetd #server_address=127.0.0.1 # LISTEN QUEUE SIZE # Listen queue size (backlog) for serving incoming connections. # You may want to increase this value under high load. #listen_queue_size=5 # NRPE USER # This determines the effective user that the NRPE daemon should run as. # You can either supply a username or a UID. # # NOTE: This option is ignored if NRPE is running under either inetd or xinetd nrpe_user=nagios # NRPE GROUP # This determines the effective group that the NRPE daemon should run as. # You can either supply a group name or a GID. # # NOTE: This option is ignored if NRPE is running under either inetd or xinetd nrpe_group=nagios # ALLOWED HOST ADDRESSES # This is an optional comma-delimited list of IP address or hostnames # that are allowed to talk to the NRPE daemon. Network addresses with a bit mask # (i.e. 192.168.1.0/24) are also supported. Hostname wildcards are not currently # supported. # # Note: The daemon only does rudimentary checking of the client's IP # address. I would highly recommend adding entries in your /etc/hosts.allow # file to allow only the specified host to connect to the port # you are running this daemon on. # # NOTE: This option is ignored if NRPE is running under either inetd or xinetd allowed_hosts=103.6.196.34 # COMMAND ARGUMENT PROCESSING # This option determines whether or not the NRPE daemon will allow clients # to specify arguments to commands that are executed. This option only works # if the daemon was configured with the --enable-command-args configure script # option. # # *** ENABLING THIS OPTION IS A SECURITY RISK! *** # Read the SECURITY file for information on some of the security implications # of enabling this variable. # # Values: 0=do not allow arguments, 1=allow command arguments dont_blame_nrpe=0 # BASH COMMAND SUBSTITUTION # This option determines whether or not the NRPE daemon will allow clients # to specify arguments that contain bash command substitutions of the form # $(...). This option only works if the daemon was configured with both # the --enable-command-args and --enable-bash-command-substitution configure # script options. # # *** ENABLING THIS OPTION IS A HIGH SECURITY RISK! *** # Read the SECURITY file for information on some of the security implications # of enabling this variable. # # Values: 0=do not allow bash command substitutions, # 1=allow bash command substitutions allow_bash_command_substitution=0 # COMMAND PREFIX # This option allows you to prefix all commands with a user-defined string. # A space is automatically added between the specified prefix string and the # command line from the command definition. # # *** THIS EXAMPLE MAY POSE A POTENTIAL SECURITY RISK, SO USE WITH CAUTION! *** # Usage scenario: # Execute restricted commmands using sudo. For this to work, you need to add # the nagios user to your /etc/sudoers. An example entry for allowing # execution of the plugins from might be: # # nagios ALL=(ALL) NOPASSWD: /usr/lib/nagios/plugins/ # # This lets the nagios user run all commands in that directory (and only them) # without asking for a password. If you do this, make sure you don't give # random users write access to that directory or its contents! # command_prefix=/usr/bin/sudo # MAX COMMANDS # This specifies how many children processes may be spawned at any one # time, essentially limiting the fork()s that occur. # Default (0) is set to unlimited # max_commands=0 # COMMAND TIMEOUT # This specifies the maximum number of seconds that the NRPE daemon will # allow plugins to finish executing before killing them off. command_timeout=60 # CONNECTION TIMEOUT # This specifies the maximum number of seconds that the NRPE daemon will # wait for a connection to be established before exiting. This is sometimes # seen where a network problem stops the SSL being established even though # all network sessions are connected. This causes the nrpe daemons to # accumulate, eating system resources. Do not set this too low. connection_timeout=300 # WEAK RANDOM SEED OPTION # This directive allows you to use SSL even if your system does not have # a /dev/random or /dev/urandom (on purpose or because the necessary patches # were not applied). The random number generator will be seeded from a file # which is either a file pointed to by the environment valiable $RANDFILE # or $HOME/.rnd. If neither exists, the pseudo random number generator will # be initialized and a warning will be issued. # Values: 0=only seed from /dev/[u]random, 1=also seed from weak randomness #allow_weak_random_seed=1 # SSL/TLS OPTIONS # These directives allow you to specify how to use SSL/TLS. # SSL VERSION # This can be any of: SSLv2 (only use SSLv2), SSLv2+ (use any version), # SSLv3 (only use SSLv3), SSLv3+ (use SSLv3 or above), TLSv1 (only use # TLSv1), TLSv1+ (use TLSv1 or above), TLSv1.1 (only use TLSv1.1), # TLSv1.1+ (use TLSv1.1 or above), TLSv1.2 (only use TLSv1.2), # TLSv1.2+ (use TLSv1.2 or above) # If an "or above" version is used, the best will be negotiated. So if both # ends are able to do TLSv1.2 and use specify SSLv2, you will get TLSv1.2. # If you are using openssl 1.1.0 or above, the SSLv2 options are not available. #ssl_version=SSLv2+ # SSL USE ADH # This is for backward compatibility and is DEPRECATED. Set to 1 to enable # ADH or 2 to require ADH. 1 is currently the default but will be changed # in a later version. #ssl_use_adh=1 # SSL CIPHER LIST # This lists which ciphers can be used. For backward compatibility, this # defaults to 'ssl_cipher_list=ALL:!MD5:@STRENGTH' for < OpenSSL 1.1.0, # and 'ssl_cipher_list=ALL:!MD5:@STRENGTH:@SECLEVEL=0' for OpenSSL 1.1.0 and # greater. #ssl_cipher_list=ALL:!MD5:@STRENGTH #ssl_cipher_list=ALL:!MD5:@STRENGTH:@SECLEVEL=0 #ssl_cipher_list=ALL:!aNULL:!eNULL:!SSLv2:!LOW:!EXP:!RC4:!MD5:@STRENGTH # SSL Certificate and Private Key Files #ssl_cacert_file=/etc/ssl/servercerts/ca-cert.pem #ssl_cert_file=/etc/ssl/servercerts/nagios-cert.pem #ssl_privatekey_file=/etc/ssl/servercerts/nagios-key.pem # SSL USE CLIENT CERTS # This options determines client certificate usage. # Values: 0 = Don't ask for or require client certificates (default) # 1 = Ask for client certificates # 2 = Require client certificates #ssl_client_certs=0 # SSL LOGGING # This option determines which SSL messages are send to syslog. OR values # together to specify multiple options. # Values: 0x00 (0) = No additional logging (default) # 0x01 (1) = Log startup SSL/TLS parameters # 0x02 (2) = Log remote IP address # 0x04 (4) = Log SSL/TLS version of connections # 0x08 (8) = Log which cipher is being used for the connection # 0x10 (16) = Log if client has a certificate # 0x20 (32) = Log details of client's certificate if it has one # -1 or 0xff or 0x2f = All of the above #ssl_logging=0x00 # NASTY METACHARACTERS # This option allows you to override the list of characters that cannot # be passed to the NRPE daemon. # nasty_metachars="|`&><'\\[]{};\r\n" # This option allows you to enable or disable logging error messages to the syslog facilities. # If this option is not set, the error messages will be logged. disable_syslog=0 # COMMAND DEFINITIONS # Command definitions that this daemon will run. Definitions # are in the following format: # # command[<command_name>]=<command_line> # # When the daemon receives a request to return the results of <command_name> # it will execute the command specified by the <command_line> argument. # # Unlike Nagios, the command line cannot contain macros - it must be # typed exactly as it should be executed. # # Note: Any plugins that are used in the command lines must reside # on the machine that this daemon is running on! The examples below # assume that you have plugins installed in a /usr/local/nagios/libexec # directory. Also note that you will have to modify the definitions below # to match the argument format the plugins expect. Remember, these are # examples only! # The following examples use hardcoded command arguments... # This is by far the most secure method of using NRPE command[check_users]=/usr/local/nagios/libexec/check_users -w 5 -c 10 command[check_load]=/usr/local/nagios/libexec/check_load -r -w .15,.10,.05 -c .30,.25,.20 command[check_disk]=/usr/local/nagios/libexec/check_disk -w 1000 -c 200 -p / command[check_zombie_procs]=/usr/local/nagios/libexec/check_procs -w 5 -c 10 -s Z command[check_total_procs]=/usr/local/nagios/libexec/check_procs -w 150 -c 200 command[check_ssh]=/usr/local/nagios/libexec/check_ssh command[check_swap]=/usr/local/nagios/libexec/check_swap -w 20% -c 10% command[check_http]=/usr/local/nagios/libexec/check_http command[check_memory]=/usr/local/nagios/libexec/check_memory -a -b -m --available -w 10%: -c 5%: command[check_uptime]=/usr/local/nagios/libexec/check_uptime -u days command[check_mysql]=/usr/local/nagios/libexec/check_tcp -p 3306 command[check_mail]=/usr/local/nagios/libexec/check_tcp -p 25 command[check_network]=/usr/local/nagios/libexec/check_network -l -d -e -p -m -C command[check_ftp]=/usr/local/nagios/libexec/check_tcp -p 21 command[check_mailq]=/usr/local/nagios/libexec/check_mailq -w 150 -c 200 -M exim # The following examples allow user-supplied arguments and can # only be used if the NRPE daemon was compiled with support for # command arguments *AND* the dont_blame_nrpe directive in this # config file is set to '1'. This poses a potential security risk, so # make sure you read the SECURITY file before doing this. ### MISC SYSTEM METRICS ### #command[check_users]=/usr/lib64/nagios/plugins/check_users $ARG1$ #command[check_load]=/usr/lib64/nagios/plugins/check_load $ARG1$ #command[check_disk]=/usr/lib64/nagios/plugins/check_disk $ARG1$ #command[check_swap]=/usr/lib64/nagios/plugins/check_swap $ARG1$ #command[check_cpu_stats]=/usr/lib64/nagios/plugins/check_cpu_stats.sh $ARG1$ #command[check_mem]=/usr/lib64/nagios/plugins/custom_check_mem -n $ARG1$ ### GENERIC SERVICES ### #command[check_init_service]=sudo /usr/lib64/nagios/plugins/check_init_service $ARG1$ #command[check_services]=/usr/lib64/nagios/plugins/check_services -p $ARG1$ ### SYSTEM UPDATES ### #command[check_yum]=/usr/lib64/nagios/plugins/check_yum #command[check_apt]=/usr/lib64/nagios/plugins/check_apt ### PROCESSES ### #command[check_all_procs]=/usr/lib64/nagios/plugins/custom_check_procs #command[check_procs]=/usr/lib64/nagios/plugins/check_procs $ARG1$ ### OPEN FILES ### #command[check_open_files]=/usr/lib64/nagios/plugins/check_open_files.pl $ARG1$ ### NETWORK CONNECTIONS ### #command[check_netstat]=/usr/lib64/nagios/plugins/check_netstat.pl -p $ARG1$ $ARG2$ ### ASTERISK ### #command[check_asterisk]=/usr/lib64/nagios/plugins/check_asterisk.pl $ARG1$ #command[check_sip]=/usr/lib64/nagios/plugins/check_sip $ARG1$ #command[check_asterisk_sip_peers]=sudo /usr/lib64/nagios/plugins/check_asterisk_sip_peers.sh $ARG1$ #command[check_asterisk_version]=/usr/lib64/nagios/plugins/nagisk.pl -c version #command[check_asterisk_peers]=/usr/lib64/nagios/plugins/nagisk.pl -c peers #command[check_asterisk_channels]=/usr/lib64/nagios/plugins/nagisk.pl -c channels #command[check_asterisk_zaptel]=/usr/lib64/nagios/plugins/nagisk.pl -c zaptel #command[check_asterisk_span]=/usr/lib64/nagios/plugins/nagisk.pl -c span -s 1 # INCLUDE CONFIG FILE # This directive allows you to include definitions from an external config file. #include=<somefile.cfg> # INCLUDE CONFIG DIRECTORY # This directive allows you to include definitions from config files (with a # .cfg extension) in one or more directories (with recursion). #include_dir=<somedirectory> #include_dir=<someotherdirectory> include_dir=/etc/nrpe.d/ # KEEP ENVIRONMENT VARIABLES # This directive allows you to retain specific variables from the environment # when starting the NRPE daemon. #keep_env_vars=NRPE_MULTILINESUPPORT,NRPE_PROGRAMVERSION