On Fri, Aug 22, 2014 at 06:43:47PM +0200, Alexander Bluhm wrote: > At the moment syslogd opens both IPv4 and IPv6 sockets unconditionally. > I can restrict it to a protocol family with -4 and -6 command line > switches. If the log server is a FQDN, DNS chosses wether to take > the IPv4 or IPv6 route. For that I have invented a udp4:// or > udp6:// prefix to choose a protocol. This syntax was chosen as I > want to extend it to tcp:// and tls:// later.
And here is the documentation. ok? bluhm Index: usr.sbin/syslogd/syslog.conf.5 =================================================================== RCS file: /cvs/src/usr.sbin/syslogd/syslog.conf.5,v retrieving revision 1.25 diff -u -p -r1.25 syslog.conf.5 --- usr.sbin/syslogd/syslog.conf.5 21 Aug 2014 17:16:37 -0000 1.25 +++ usr.sbin/syslogd/syslog.conf.5 25 Aug 2014 19:22:09 -0000 @@ -227,6 +227,8 @@ square brackets and .Ql ]\& .Pc . +A prefix udp4:// or udp6:// in front of the hostname and after the +at sign will force IPv4 or IPv6 addresses for UDP transport. .It A comma separated list of users. Selected messages are written to those users Index: usr.sbin/syslogd/syslogd.8 =================================================================== RCS file: /cvs/src/usr.sbin/syslogd/syslogd.8,v retrieving revision 1.29 diff -u -p -r1.29 syslogd.8 --- usr.sbin/syslogd/syslogd.8 23 Jul 2014 05:57:36 -0000 1.29 +++ usr.sbin/syslogd/syslogd.8 25 Aug 2014 19:22:09 -0000 @@ -39,7 +39,7 @@ .Sh SYNOPSIS .Nm syslogd .Bk -words -.Op Fl dhnu +.Op Fl 46dhnu .Op Fl a Ar path .Op Fl f Ar config_file .Op Fl m Ar mark_interval @@ -54,6 +54,14 @@ configuration file. .Pp The options are as follows: .Bl -tag -width Ds +.It Fl 4 +Forces +.Nm +to use IPv4 addresses only. +.It Fl 6 +Forces +.Nm +to use IPv6 addresses only. .It Fl a Ar path Specify a location where .Nm
