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smoothwall vpn

P: 65
i work for a small company that is running and windows 2003 small business server that also serves as our vpn server. our firewall is the Smoothwall 2.0 (free version, not that it makes a difference) and we are trying to get it working where it will accept vpn packets and forward them to the server (normally smoothwall only accepts other smoothwall connections, but we want non-smoothwall connections as well)

so we have the instructions on how to set up the smoothwall to work with the vpn, but we get the error
"can't use -A with -A"

we are currently port forwarding port 1723 (gre traffic) to the server...could that be conflicting with the smoothwall vpn fix we are doing?

all ideas, comments, suggestions appreciated
Jul 19 '06 #1
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3 Replies

sashi
Expert 100+
P: 1,754
Hi there,

check out the below port assignment table provided by microsoft..

http://support.microsoft.com/default...b;en-us;832017

by default TCP port 1723 is assigned for PPTP Routing and Remote Access, my suggestion would be run a port scanner software to make sure there are no other service is using port 1723..

pls post your port forwarding rules on your next post.. will try to validate you rules.. take care..
Jul 19 '06 #2

sashi
Expert 100+
P: 1,754
hi there,

try the below example..

Expand|Select|Wrap|Line Numbers
  1. SOURCE_IP=(your source IP goes here)
  2. SOURCE_PORT=(your source port goes here)
  3. DEST_IP=(your destination IP goes here)
  4. DEST_PORT(your destination port goes here)
  5. export SOURCE_IP SOURCE_PORT DEST_IP DEST_PORT
  6. /usr/sbin/ipmasqadm portfw -a -P tcp -L $SOURCE_IP $SOURCE_PORT -R $DEST_IP $DEST_PORT
  7.  
Jul 19 '06 #3

P: 65
we have the directions and what to put in the config file on smoothwall, it just that it gives the error "cant use -A with -A" when applying the specific firewall setting

how would i use that example and where?
Jul 19 '06 #4

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