D21619.id62982.diff
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	Index: share/man/man4/siftr.4
	===================================================================
	--- share/man/man4/siftr.4
	+++ share/man/man4/siftr.4
	@@ -30,7 +30,7 @@
	.\"
	.\" $FreeBSD$
	.\"
	-.Dd March 18, 2015
	+.Dd October 7, 2019
	.Dt SIFTR 4
	.Os
	.Sh NAME
	@@ -131,6 +131,14 @@
	a particular log message, but calculating them adds additional computational
	overhead into the fast path.
	.El
	+.Bl -tag -offset indent -width Va
	+.It Va net.inet.siftr.port_filter
	+controls on which source or destination port siftr should capture
	+.Nm .
	+By default, the value is set to 0, which means all ports are eligible for logging.
	+Set to any other value, only packets where either the source or destination
	+port is equal to this number are logged.
	+.El
	.Ss Log Format
	A typical
	.Nm
	Index: sys/netinet/siftr.c
	===================================================================
	--- sys/netinet/siftr.c
	+++ sys/netinet/siftr.c
	@@ -918,7 +918,7 @@
	* Only pkts selected by the tcp port filter
	* can be inserted into the pkt_queue
	*/
	- if ((siftr_port_filter != 0) &&
	+ if ((siftr_port_filter != 0) &&
	(siftr_port_filter != ntohs(inp->inp_lport)) &&
	(siftr_port_filter != ntohs(inp->inp_fport))) {
	goto inp_unlock;