$NetBSD: patch-ab,v 1.9 2020/04/27 15:16:48 mef Exp $

NetBSD has ipfilter too.

--- ipfilter/module.info.orig	2020-01-15 09:06:33.000000000 +0900
+++ ipfilter/module.info	2020-04-27 10:09:33.562451517 +0900
@@ -1,4 +1,4 @@
-os_support=solaris {&has_command("ipf")}
+os_support=netbsd solaris {&has_command("ipf")}
 version=1.941
 longdesc=Configure a firewall using the IPFilter package, by creating and editing rules.
 desc=IPFilter Firewall
