WWW.SparkLAN.com
User’s Guide 
10 
4.2. Security 
Router Password: 
Changing the password for the AP Router is as easy as typing the password into 
the 
Enter
New Password 
field. Then, type it again into the Re-enter to confirm. 
* Click the 
Apply 
button to save the setting. 
Use the default password when you first open the configuration pages, after you have configured 
these settings, you should set a new password for the Router (using the Security screen). This will 
increase security, protecting the Router from unauthorized changes. 
VPN Pass-Through: 
Virtual Private Networking (VPN) is typically used for work-related networking. 
For VPN tunnels, the Router supports IPSec Pass-Through, L2TP Pass-Through, and PPTP Pass-
Through. 
•
IPSec
- Internet Protocol Security (IPSec) is a
suite of protocols used to implement secure 
exchange of packets at the IP layer. To allow IPSec tunnels to pass through the Router, IPSec 
Pass-Through is enabled by default. To disable IPSec Pass-Through, uncheck the box next to 
IPSec
.
•
L2TP 
- Layer 2 Tunneling Protocol is a protocol used to tunnel Point-to-Point Protocol (PPP) 
over the Internet. To allow L2TP tunnels to pass through the Router, L2TP Pass-Through is 
enabled by default. To disable L2TP Pass-Through, uncheck the box next to 
L2TP
.
•
PPTP
- Point-to-Point Tunneling Protocol is the method used to enable VPN sessions to a 
Windows NT 4.0 or 2000 server. To allow PPTP tunnels to pass through the Router, PPTP 
Pass-Through is enabled by default. To disable PPTP Pass-Through, uncheck the box next to 
PPTP
.
Web Filters:
Using the Web Filters feature, you may enable up to four different filters.