Date: Fri, 17 Apr 1998 20:33:55 -0500 (CDT) From: cdillon@wolves.k12.mo.us To: FreeBSD-gnats-submit@FreeBSD.ORG Subject: conf/6339: Add natd support to rc's, fix natd manpage Message-ID: <199804180133.UAA04365@duey.hs.wolves.k12.mo.us>
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>Number: 6339
>Category: conf
>Synopsis: Add natd support to rc's, fix natd manpage
>Confidential: no
>Severity: non-critical
>Priority: medium
>Responsible: freebsd-bugs
>State: open
>Quarter:
>Keywords:
>Date-Required:
>Class: change-request
>Submitter-Id: current-users
>Arrival-Date: Fri Apr 17 18:40:01 PDT 1998
>Last-Modified:
>Originator: Chris Dillon
>Organization:
>Release: FreeBSD 2.2.6-STABLE i386
>Environment:
Stable sources as of 04/17/98
>Description:
Add configuration data to /etc/rc.conf,rc.network,rc.firewall,services to
facilitate easy configuration of natd (as if it wasn't already easy, but that's
beside the point when you're a newbie). Also fix an inconsistency in the
natd(1) manual page. -i is incorrectly given as the option to use for the
network interface in the synopsis. -n is the correct option.
I hope the diffs are acceptable. I found the neat cvs -q diff -u command. :-)
Feel free to re-arrange my placement of items in the various rc's to follow
historical precedences and what not. Hopefully I did good enough already.
>How-To-Repeat:
>Fix:
Index: etc/rc.conf
===================================================================
RCS file: /devel/ncvs/src/etc/rc.conf,v
retrieving revision 1.1.2.40
diff -u -r1.1.2.40 rc.conf
--- rc.conf 1998/03/15 16:39:41 1.1.2.40
+++ rc.conf 1998/04/18 00:55:10
@@ -102,6 +102,9 @@
arpproxy_all="" # replaces obsolete kernel option ARP_PROXYALL.
forward_sourceroute="NO" # do source routing (only if gateway_enable is set to "YES")
accept_sourceroute="NO" # accept source routed packets to us
+natd_enable="NO" # Enable natd if firewall_enable.
+natd_interface="fxp0" # Public interface to use with natd if natd_enable.
+natd_flags="" # Additional flags for natd.
##############################################################
Index: etc/rc.firewall
===================================================================
RCS file: /devel/ncvs/src/etc/rc.firewall,v
retrieving revision 1.6.2.6
diff -u -r1.6.2.6 rc.firewall
--- rc.firewall 1998/02/10 01:45:57 1.6.2.6
+++ rc.firewall 1998/04/18 00:57:13
@@ -58,6 +58,14 @@
$fwcmd -f flush
############
+# These rules are required for using natd. All packets are passed to natd before
+# they encounter your remaining rules. The firewall rules will then be run again
+# on each packet after translation by natd, minus any divert rules (see natd(8)).
+if [ "X${natd_enable}" = X"YES" -a "X${natd_interface}" != X"" ]; then
+ $fwcmd add divert natd all from any to any via ${natd_interface}
+fi
+
+############
# If you just configured ipfw in the kernel as a tool to solve network
# problems or you just want to disallow some particular kinds of traffic
# they you will want to change the default policy to open. You can also
Index: etc/rc.network
===================================================================
RCS file: /devel/ncvs/src/etc/rc.network,v
retrieving revision 1.1.2.18
diff -u -r1.1.2.18 rc.network
--- rc.network 1998/03/09 08:52:01 1.1.2.18
+++ rc.network 1998/04/18 00:48:30
@@ -256,6 +256,12 @@
if [ "X${mrouted_enable}" = X"YES" ]; then
echo -n ' mrouted'; mrouted ${mrouted_flags}
fi
+
+ # Network Address Translation daemon
+ if [ "X${natd_enable}" = X"YES" -a "X${natd_interface}" != X"" -a "X${firewall_enable}" = X"YES" ]; then
+ echo -n ' natd'; natd ${natd_flags} -n ${natd_interface}
+ fi
+
echo '.'
network_pass3_done=YES
}
Index: etc/services
===================================================================
RCS file: /devel/ncvs/src/etc/services,v
retrieving revision 1.27.2.16
diff -u -r1.27.2.16 services
--- services 1998/03/09 02:59:21 1.27.2.16
+++ services 1998/04/18 00:44:49
@@ -1650,6 +1650,7 @@
ricardo-lm 6148/udp #Ricardo North America License Manager
xdsxdm 6558/tcp
xdsxdm 6558/udp
+natd 6668/divert #Network Address Translation
acmsoda 6969/tcp
acmsoda 6969/udp
afs3-fileserver 7000/tcp #file server itself
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