diff --git a/net/Makefile b/net/Makefile
--- a/net/Makefile
+++ b/net/Makefile
@@ -382,6 +382,7 @@
     SUBDIR += libosip2
     SUBDIR += libpcap
     SUBDIR += libpcapnav
+    SUBDIR += libpfctl
     SUBDIR += libproxy
     SUBDIR += libproxy-gnome3
     SUBDIR += libproxy-kde
diff --git a/net/libpfctl/Makefile b/net/libpfctl/Makefile
new file mode 100644
--- /dev/null
+++ b/net/libpfctl/Makefile
@@ -0,0 +1,43 @@
+# Created by: Kristof Provost <kp@FreeBSD.org>
+
+PORTNAME=	libpfctl
+PORTVERSION=	0.1
+CATEGORIES=	net
+MASTER_SITES=	LOCAL/kp/
+DISTFILES=	libpfctl-${_LIBPFCTL_HASH}.tar.gz
+
+MAINTAINER=	kp@FreeBSD.org
+COMMENT=	Library for interaction with pf(4)
+
+LICENSE=	BSD2CLAUSE
+
+BROKEN_FreeBSD_11=	Will not work until nvlist-ified ioctls are available
+BROKEN_FreeBSD_12=	Will not work until nvlist-ified ioctls are available
+BROKEN_FreeBSD_13=	Will not work until nvlist-ified ioctls are available
+
+USE_LDCONFIG=	yes
+
+WRKSRC=		${WRKDIR}/libpfctl
+
+_LIBPFCTL_HASH=	4ae3a97e127c
+
+PLIST_FILES=	lib/libpfctl.so.0 \
+		include/libpfctl.h
+
+do-install:
+	@${MKDIR} ${STAGEDIR}${PREFIX}/lib
+	@${MKDIR} ${STAGEDIR}${PREFIX}/include
+	${INSTALL_LIB} ${WRKSRC}/libpfctl.so.0 ${STAGEDIR}${PREFIX}/lib
+	${INSTALL_DATA} ${WRKSRC}/*.h ${STAGEDIR}${PREFIX}/include
+
+.if defined(MAINTAINER_MODE)
+upload:
+	cd /usr/src/lib && \
+	HASH=$$(git rev-parse --short origin/main) && \
+	git archive --format=tar.gz \
+		--output=libpfctl-$${HASH}.tar.gz \
+		origin/main libpfctl && \
+	scp libpfctl-$${HASH}.tar.gz kp@freefall.freebsd.org:public_distfiles/
+.endif
+
+.include <bsd.port.mk>
diff --git a/net/libpfctl/distinfo b/net/libpfctl/distinfo
new file mode 100644
--- /dev/null
+++ b/net/libpfctl/distinfo
@@ -0,0 +1,3 @@
+TIMESTAMP = 1618833133
+SHA256 (libpfctl-4ae3a97e127c.tar.gz) = dcafd22c84f129e301ffe3b0f7f8cb53b841d420bc357af8afa2a5f186b958b3
+SIZE (libpfctl-4ae3a97e127c.tar.gz) = 5260
diff --git a/net/libpfctl/files/patch-Makefile b/net/libpfctl/files/patch-Makefile
new file mode 100644
--- /dev/null
+++ b/net/libpfctl/files/patch-Makefile
@@ -0,0 +1,11 @@
+--- Makefile.orig	2021-04-19 10:09:35 UTC
++++ Makefile
+@@ -2,7 +2,7 @@
+ 
+ PACKAGE=	lib${LIB}
+ LIB=		pfctl
+-INTERNALLIB=	true
++SHLIB_MAJOR=	0
+ 
+ SRCS=	libpfctl.c
+ INCS=	libpfctl.h
diff --git a/net/libpfctl/pkg-descr b/net/libpfctl/pkg-descr
new file mode 100644
--- /dev/null
+++ b/net/libpfctl/pkg-descr
@@ -0,0 +1,6 @@
+Ports version of the base system pf(4) library, libpfctl.
+
+Ports should ideally use this interface rather than manually implementing the
+pf(4) ioctl() interface.
+
+WWW: https://cgit.freebsd.org/src/tree/lib/libpfctl