diff --git a/etc/network.subr b/etc/network.subr
index 783945cabd31..fc534ed4cca6 100644
--- a/etc/network.subr
+++ b/etc/network.subr
@@ -1,6 +1,6 @@
 #!/bin/sh -
 #
-#	$Id: rc.network,v 1.2 1997/04/27 03:59:14 jkh Exp $
+#	$Id: rc.network,v 1.3 1997/05/01 04:38:16 jkh Exp $
 #	From: @(#)netstart	5.9 (Berkeley) 3/30/91
 
 # Note that almost all the user-configurable behavior is no longer in
@@ -58,7 +58,7 @@ network_pass1() {
     # If IP filtering
     if [ -n "$firewall" -a "x$firewall" != "xNO" -a -f /etc/rc.firewall ] ; then
 	    echo -n ' firewall'
-	    sh /etc/rc.firewall
+	    . /etc/rc.firewall
     fi
 
     if [ "x$defaultrouter" != "xNO" ] ; then
diff --git a/etc/rc.d/netoptions b/etc/rc.d/netoptions
index 783945cabd31..fc534ed4cca6 100644
--- a/etc/rc.d/netoptions
+++ b/etc/rc.d/netoptions
@@ -1,6 +1,6 @@
 #!/bin/sh -
 #
-#	$Id: rc.network,v 1.2 1997/04/27 03:59:14 jkh Exp $
+#	$Id: rc.network,v 1.3 1997/05/01 04:38:16 jkh Exp $
 #	From: @(#)netstart	5.9 (Berkeley) 3/30/91
 
 # Note that almost all the user-configurable behavior is no longer in
@@ -58,7 +58,7 @@ network_pass1() {
     # If IP filtering
     if [ -n "$firewall" -a "x$firewall" != "xNO" -a -f /etc/rc.firewall ] ; then
 	    echo -n ' firewall'
-	    sh /etc/rc.firewall
+	    . /etc/rc.firewall
     fi
 
     if [ "x$defaultrouter" != "xNO" ] ; then
diff --git a/etc/rc.d/network1 b/etc/rc.d/network1
index 783945cabd31..fc534ed4cca6 100644
--- a/etc/rc.d/network1
+++ b/etc/rc.d/network1
@@ -1,6 +1,6 @@
 #!/bin/sh -
 #
-#	$Id: rc.network,v 1.2 1997/04/27 03:59:14 jkh Exp $
+#	$Id: rc.network,v 1.3 1997/05/01 04:38:16 jkh Exp $
 #	From: @(#)netstart	5.9 (Berkeley) 3/30/91
 
 # Note that almost all the user-configurable behavior is no longer in
@@ -58,7 +58,7 @@ network_pass1() {
     # If IP filtering
     if [ -n "$firewall" -a "x$firewall" != "xNO" -a -f /etc/rc.firewall ] ; then
 	    echo -n ' firewall'
-	    sh /etc/rc.firewall
+	    . /etc/rc.firewall
     fi
 
     if [ "x$defaultrouter" != "xNO" ] ; then
diff --git a/etc/rc.d/network2 b/etc/rc.d/network2
index 783945cabd31..fc534ed4cca6 100644
--- a/etc/rc.d/network2
+++ b/etc/rc.d/network2
@@ -1,6 +1,6 @@
 #!/bin/sh -
 #
-#	$Id: rc.network,v 1.2 1997/04/27 03:59:14 jkh Exp $
+#	$Id: rc.network,v 1.3 1997/05/01 04:38:16 jkh Exp $
 #	From: @(#)netstart	5.9 (Berkeley) 3/30/91
 
 # Note that almost all the user-configurable behavior is no longer in
@@ -58,7 +58,7 @@ network_pass1() {
     # If IP filtering
     if [ -n "$firewall" -a "x$firewall" != "xNO" -a -f /etc/rc.firewall ] ; then
 	    echo -n ' firewall'
-	    sh /etc/rc.firewall
+	    . /etc/rc.firewall
     fi
 
     if [ "x$defaultrouter" != "xNO" ] ; then
diff --git a/etc/rc.d/network3 b/etc/rc.d/network3
index 783945cabd31..fc534ed4cca6 100644
--- a/etc/rc.d/network3
+++ b/etc/rc.d/network3
@@ -1,6 +1,6 @@
 #!/bin/sh -
 #
-#	$Id: rc.network,v 1.2 1997/04/27 03:59:14 jkh Exp $
+#	$Id: rc.network,v 1.3 1997/05/01 04:38:16 jkh Exp $
 #	From: @(#)netstart	5.9 (Berkeley) 3/30/91
 
 # Note that almost all the user-configurable behavior is no longer in
@@ -58,7 +58,7 @@ network_pass1() {
     # If IP filtering
     if [ -n "$firewall" -a "x$firewall" != "xNO" -a -f /etc/rc.firewall ] ; then
 	    echo -n ' firewall'
-	    sh /etc/rc.firewall
+	    . /etc/rc.firewall
     fi
 
     if [ "x$defaultrouter" != "xNO" ] ; then
diff --git a/etc/rc.d/routing b/etc/rc.d/routing
index 783945cabd31..fc534ed4cca6 100644
--- a/etc/rc.d/routing
+++ b/etc/rc.d/routing
@@ -1,6 +1,6 @@
 #!/bin/sh -
 #
-#	$Id: rc.network,v 1.2 1997/04/27 03:59:14 jkh Exp $
+#	$Id: rc.network,v 1.3 1997/05/01 04:38:16 jkh Exp $
 #	From: @(#)netstart	5.9 (Berkeley) 3/30/91
 
 # Note that almost all the user-configurable behavior is no longer in
@@ -58,7 +58,7 @@ network_pass1() {
     # If IP filtering
     if [ -n "$firewall" -a "x$firewall" != "xNO" -a -f /etc/rc.firewall ] ; then
 	    echo -n ' firewall'
-	    sh /etc/rc.firewall
+	    . /etc/rc.firewall
     fi
 
     if [ "x$defaultrouter" != "xNO" ] ; then
diff --git a/etc/rc.network b/etc/rc.network
index 783945cabd31..fc534ed4cca6 100644
--- a/etc/rc.network
+++ b/etc/rc.network
@@ -1,6 +1,6 @@
 #!/bin/sh -
 #
-#	$Id: rc.network,v 1.2 1997/04/27 03:59:14 jkh Exp $
+#	$Id: rc.network,v 1.3 1997/05/01 04:38:16 jkh Exp $
 #	From: @(#)netstart	5.9 (Berkeley) 3/30/91
 
 # Note that almost all the user-configurable behavior is no longer in
@@ -58,7 +58,7 @@ network_pass1() {
     # If IP filtering
     if [ -n "$firewall" -a "x$firewall" != "xNO" -a -f /etc/rc.firewall ] ; then
 	    echo -n ' firewall'
-	    sh /etc/rc.firewall
+	    . /etc/rc.firewall
     fi
 
     if [ "x$defaultrouter" != "xNO" ] ; then