syslog-ng.conf man page on HP-UX

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syslog-ng.conf(5)					     syslog-ng.conf(5)

NAME
       /etc/syslog-ng.conf - syslog-ng configuration file

DESCRIPTION
       The configuration file for syslog-ng

       A  message  route in syslog-ng is made up from three parts: a source, a
       destination and filtering rules.

SOURCES
       You can declare source statements using the "source" keyword:

       source <sourcename> { sourcedriver params; sourcedriver params; ... };

       Sourcename is an identifier you'll use to refer to this group  of  mes‐
       sages.	Sourcedriver  is a method of getting a given message. The fol‐
       lowing drivers are available:

       * file <filename> - reads messages from the given file

       * unix-dgram <filename>	-  reads  messages  from  the  given  AF_UNIX,
       SOCK_DGRAM socket (BSDi style)

       *  unix-stream  <filename>  -  reads  messages  from the given AF_UNIX,
       SOCK_STREAM socket (Linux style)

       * udp <ip>,<port> - network source using the UDP protocol.  If  you  do
       not want to bind to a specific interface use 0.0.0.0.

       * tcp <ip>,<port> - network source using the TCP protocol.

       * sun-streams <filename> - local source used on Solaris systems

DESTINATIONS
       Destinations can be created using the destination keyword:

       destination <destname> { destdriver params; destdriver params; ... ; };

       * file <filename> - writes messages to the given file

       *  unix-dgram  <filename>  -  writes  messages  to  the	given AF_UNIX,
       SOCK_DGRAM socket (BSDi style)

       * unix-stream <filename>	 -  writes  messages  to  the  given  AF_UNIX,
       SOCK_STREAM socket (Linux style)

       * udp <ip>,<port> - network destination using the UDP protocol

       * tcp <ip>,<port> - network destination using the TCP protocol

       * usertty <username> - sends log to the given user's terminal

FILTERS
       You can create filters using the filter keyword:

       filter <filtername> { expression; };

       Where  expression  is  a	 simple boolean expression. You can use "and",
       "or" and "not" to connect builtin functions. Functions can be one of:

       * facility(list of comma seperated facility names)

       * level(list of comma seperated priority nammes OR a range separated by
       "..")

       * program(regexp to match program name)

       * host(regexp to match program name)

       * match(regexp to match program name)

LOG STATEMENTS
       You can connect sources and destinations using the log statement:

       log  {  source S1; source S2; ... filter F1; filter F2; ... destination
       D1; destination D2; ... };

       Where Sx refers to one of the declared log sources, Fx one of the  fil‐
       ters and Dx one of the destinations.

       Filters are ANDed together.

OPTIONS
       You  can	 specify  several  global  options to syslog-ng in the options
       statement:

       options { opt1; opt2; ... };

       Where an option can be any of the following:

       chain_hostnames(yes|no)
	      Enable or disable the chained hostname format.

       long_hostnames(yes|no)
	      This is a deprecated alias for chain_hostnames().

       keep_hostname(yes|no)
	      Specifies whether to trust hostname as it is included in the log
	      message.	If keep_hostname is yes and there is a hostname in the
	      message it is not touched,  otherwise  it	 is  always  rewritten
	      based on the information where the message was received from.

       use_dns(yes|no)
	      Enable  or  disable DNS usage.  syslog-ng blocks on DNS queries,
	      so enabling DNS may lead to a Denial of Service attack.  To pre‐
	      vent  DoS, protect your syslog-ng network endpoint with firewall
	      rules, and make sure that all hosts, which may get to  syslog-ng
	      is resolvable.

       use_fqdn(yes|no)
	      Add Fully Qualified Domain Name instead of short hostname.

       check_hostname(yes|no)
	      Enable  or  disable  whether the hostname contains valid charac‐
	      ters.

       bad_hostname(regex)
	      A regexp which matches hostnames which should not	 be  taken  as
	      such.

       dns_cache(yes|no)
	      Enable or disable DNS cache usage.

       dns_cache_expire(n)
	      Number of seconds while a successful lookup is cached.

       dns_cache_expire_failed(n)
	      Number of seconds while a failed lookup is cached.

       dns_cache_size(n)
	      Number of hostnames in the DNS cache.

       create_dirs(yes|no)
	      Enable or disable directory creation for destination files.

       dir_owner(uid)
	      User id.

       dir_group(gid)
	      Group id.

       dir_perm(perm)
	      Permission value (octal mask).

       owner(uid)
	      User id for created files.

       group(gid)
	      Group id for created files.

       perm(perm)
	      Permission value for created files.

       gc_busy_threshold(n)
	      Sets the threshold value for the garbage collector, when syslog-
	      ng is busy.  GC  phase  starts  when  the	 number	 of  allocated
	      objects reach this number.  Default: 3000.

       gc_idle_threshold(n)
	      Sets the threshold value for the garbage collector, when syslog-
	      ng is idle.  GC  phase  starts  when  the	 number	 of  allocated
	      objects reach this number.  Default: 100.

       log_fifo_size(n)
	      The number of lines fitting to the output queue. An output queue
	      is present for all destinations.

       log_msg_size(n)
	      Maximum length of message in bytes (NOTE: some syslogd implemen‐
	      tations have a fixed limit of 1024 characters).

       mark(n)
	      The  number of seconds between two MARK lines.  NOTE: not imple‐
	      mented yet.

       stats(n)
	      The number of seconds between two STATS messages.

       sync(n)
	      The number of lines buffered before  written  to	file  (can  be
	      overridden locally).

       time_reap(n)
	      The time to wait before an idle destination file is closed.

       time_reopen(n)
	      The time to wait before a died connection is reestablished.

       use_time_recvd(yes|no)
	      This variable is used only for macro expansion where the meaning
	      of the time specific macros depend on this setting,  however  as
	      there  are  separate  macros for referring to the received time‐
	      stamp (R_ macros) and the log message timestamp (S_),  so	 using
	      this value is not recommended.

FILES
       /etc/syslog-ng.conf

COPYRIGHT
       syslog-ng and this file is Copyright (c) 1999-2004 BalaBit IT Ltd, por‐
       tions were contributed by Jose Pedro Oliveira.

SEE ALSO
       syslog-ng(8), syslogd(8)

							     syslog-ng.conf(5)
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