Switch on SMB to the outside?
If you wish to have windows file sharing (SMB) access through the WAN port, switch SMB on to the outside. This will allow you to reach your shares using your existing router and existing LAN.
Be careful! You need to setup your existing router to allow SMB only on the local network! Otherwise anyone from the Internet will be able to reach your files.
SMB outside
More...
More information can be found in the manual or on
www.freecom.com
or
www.openFSG.com
.