D-Link DFL-700 - Manual (Page 103)

5. The first policy rule is now created. Repeat step 4 to create services named
allow_imap, allow_ftp and allow_http. The services for these policies should be imap,
ftp_passthrough and http.
The policy list for LAN->toMainOffice should now look like this.
6. Click Activate and wait for the firewall to restart.