Added -c flag to disable IP/port checking in each request

man/iodine.8

@@ -1,5 +1,5 @@
 .\" groff -man -Tascii iodine.8
-.TH IODINE 8 "JUN 2007" "User Manuals"
+.TH IODINE 8 "JUL 2008" "User Manuals"
 .SH NAME
 iodine, iodined \- tunnel IPv4 over DNS
 .SH SYNOPSIS
@@ -25,7 +25,7 @@ iodine, iodined \- tunnel IPv4 over DNS
 
 .B iodined [-h]
 
-.B iodined [-f] [-s] [-u
+.B iodined [-c] [-s] [-f] [-u
 .I user
 .B ] [-P
 .I password
@@ -62,10 +62,6 @@ Print usage info and exit.
 .B -f
 Keep running in foreground.
 .TP
-.B -s
-Don't try to configure IP address or MTU. This should only be used if
-you have already configured the device that will be used.
-.TP
 .B -u user
 Drop privileges and run as user 'user' after setting up tunnel.
 .TP
@@ -82,6 +78,14 @@ Use the TUN device 'device' instead of the normal one, which is dnsX on Linux
 and otherwise tunX.
 .SS Server Options:
 .TP
+.B -c
+Disable checks on client IP and port on all incoming requests.
+This might help if server is behind a NAT firewall.
+.TP
+.B -s
+Don't try to configure IP address or MTU. This should only be used if
+you have already configured the device that will be used.
+.TP
 .B -m mtu
 Set 'mtu' as mtu size for the tunnel device. This will be sent to the client
 on connect, and the client will use the same mtu.