D-Link Router User Manual page 111

Section 3 - Configuration
HTTP WAN
This is the port number used to access the router.
Port:
Session Specify a time in minutes before the web interface will auto logout.
Timeout:
Click Apply to save your settings, or Cancel to revert to your previous settings.
FTPD Management
FTPD Enable: Check this box to enable the FTP Daemon for remote firmware
updates.
Keep old Maintain previous sessions when new ones connect. Disabling
session:
this feature will allow only one FTP connection at a time.
Click Apply to save your settings, or Cancel to revert to your previous settings.
HTTPS Management
HTTPS Enables HTTPS access to the router.
Enable:
Note that this does not disable unencrypted LAN access.
Click Apply to save your settings, or Cancel to revert to your previous settings.
D-Link DWR-961 User Manual 106