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Basic functionality for syslog control were built-into DeleGate/9.2.3. The simplest way to enable syslog is:
( excerpt from the reference manual )
SYSLOG parameter* == SYSLOG=[syslogOpts,][syslogServ] syslogOpts == syslogOpt[,syslogOpts] syslogOpt == -vt | -vs | -vS | -vH | -fname -- default: none
Multiple SYSLOG parameters can be specified to send a log data to multiple different destinations each specified by a syslogServ. A syslogServ is a URL of a syslog server or a local file. The default syslogServ is the local logger to which log is sent via the standard "syslog()" function. For each destination, the log format or detailness can be specified by prefixing a list of syslogOpt as follows:
-vt | -- terse LOGFILE |
-vs | -- without LOGFILE |
-vS | -- without PROTOLOG |
-vH | -- without the syslog header |
-fname | -- use the facility name instead of "daemon" |
Example:
SYSLOG= | -- to the local syslog |
SYSLOG=syslog://host | -- to a remote syslog server |
SYSLOG=syslog://host:port | -- on a non-standard port |
SYSLOG=/dev/tty | -- to the console |
SYSLOG=file:path | -- to a local file |
SYSLOG=-vH,file:path | -- without the syslog header |
SYSLOG=-fdaemon | -- as the "daemon" facility (default) |
SYSLOG=-flocal1 | -- as the "local1" facility |
The source port (and the address) of syslog UDP packets to a remote
syslog server can be specified as
SRCIF=":8514:syslog"
(or SRCIF="xx.xx.xx.xx:8514:syslog")
for example.
Switching syslog servers based on each client and server of the
application protocol is not (yet) supported.