diff --git a/doc/fwknopd.man.asciidoc b/doc/fwknopd.man.asciidoc
index 811f9417..20af2124 100644
--- a/doc/fwknopd.man.asciidoc
+++ b/doc/fwknopd.man.asciidoc
@@ -88,7 +88,7 @@ COMMAND-LINE OPTIONS
     will preserve the command line options that were supplied to the
     original *fwknopd* process but will force *fwknopd* to re-read the
     'fwknopd.conf' and 'access.conf' files.  This will also force a
-    flush of the current ``FWKNOP'' Netfilter chain(s).
+    flush of the current ``FWKNOP'' iptables chain(s).
 
 *--rotate-digest-cache*::
     Rotate the digest cache file by renaming it to ``<name>-old'', and
@@ -383,8 +383,9 @@ Defines all knock sequences and access control directives.
 
 DEPENDENCIES
 ------------
-The *fwknopd* daemon requires a functioning Netfilter firewall on the
-underlying operating system.
+The *fwknopd* daemon requires a functioning firewall on the underlying
+operating system.  Supported firewalls as of the fwknop-2.0 release are
+iptables, ipfw, and pf.
 
 
 DIAGNOSTICS
@@ -402,7 +403,7 @@ fwknop(8), iptables(8), libfko docmentation.
 
 AUTHOR
 ------
-Damien Stuart <dstuart@dstuart.org>, 
+Damien Stuart <dstuart@dstuart.org>,
 Michael Rash <mbr@cipherdyne.org>
 
 
diff --git a/server/fwknopd.8.in b/server/fwknopd.8.in
index 3a8b470c..21cd8d4d 100644
--- a/server/fwknopd.8.in
+++ b/server/fwknopd.8.in
@@ -122,7 +122,7 @@ to re\-read the
 \fIfwknopd\&.conf\fR
 and
 \fIaccess\&.conf\fR
-files\&. This will also force a flush of the current \(lqFWKNOP\(rq Netfilter chain(s)\&.
+files\&. This will also force a flush of the current \(lqFWKNOP\(rq iptables chain(s)\&.
 .RE
 .PP
 \fB\-\-rotate\-digest\-cache\fR
@@ -460,7 +460,8 @@ Defines all knock sequences and access control directives\&.
 .RE
 .SH "DEPENDENCIES"
 .sp
-The \fBfwknopd\fR daemon requires a functioning Netfilter firewall on the underlying operating system\&.
+The \fBfwknopd\fR daemon requires a functioning firewall on the underlying operating system\&.
+Supported firewalls as of the fwknop\-2\&.0 release are iptables, ipfw, and pf\&.
 .SH "DIAGNOSTICS"
 .sp
 \fBfwknopd\fR can be run in debug mode by combining the \fB\-f, \-\-foreground\fR and the \fB\-v, \-\-verbose\fR command line options\&. This will disable daemon mode execution, and print verbose information to the screen on stderr as packets are received\&.