diff --git a/docs/MultiISP.xml b/docs/MultiISP.xml
index e0f45125b..82151be62 100644
--- a/docs/MultiISP.xml
+++ b/docs/MultiISP.xml
@@ -847,11 +847,9 @@ eth1 0.0.0.0/0 130.252.99.27
This continues the example in the preceding section.
Now suppose that you want to route all outgoing SMTP traffic from
- your local network through ISP 2. You would make this entry in /etc/shorewall/mangle (and if you are
- running a version of Shorewall earlier than 3.0.0, you would set
- TC_ENABLED=Yes in /etc/shorewall/shorewall.conf).
+ your local network through ISP 2. If you are running Shorewall 4.6.0 or
+ later, you would make this entry in /etc/shorewall/mangle.
#ACTION SOURCE DEST PROTO PORT(S) CLIENT USER TEST
# PORT(S)
@@ -863,6 +861,21 @@ MARK(2):P <local network> 0.0.0.0/0 tcp 25#MARK SOURCE DEST PROTO PORT(S) CLIENT USER TEST
# PORT(S)
MARK(2) $FW 0.0.0.0/0 tcp 25
+
+ If you are running a Shorewall version earlier than 4.6.0, the
+ above rules in /etc/shorewall/tcrules
+ would be:
+
+ #ACTION SOURCE DEST PROTO PORT(S) CLIENT USER TEST
+# PORT(S)
+2:P <local network> 0.0.0.0/0 tcp 25
+
+ And for traffic from the firewall:
+
+ #MARK SOURCE DEST PROTO PORT(S) CLIENT USER TEST
+# PORT(S)
+2 $FW 0.0.0.0/0 tcp 25