F3X25 Series Router
User Manual
Xiamen Four-Faith Communication Technology Co.,Ltd.
Page 46 of 70
Add
：
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Floor,No.44,GuanRiRoad,SoftWare Park,XiaMen .361008.China
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+86 592-5912735
IPSec Passthrough
：
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 Passthrough is enabled by default. To disable IPSec Passthrough, select Disable.
PPTP Passthrough
：
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
Passthrough is enabled by default. To disable PPTP Passthrough, select Disable.
L2TP Passthrough
：
Layer Two (2) Tunneling Protocol, an extension to the PPP protocol that
enables ISPs to operate Virtual Private Networks (VPNs). L2TP merges the best features of two
other tunneling protocols: PPTP from Microsoft and L2F from Cisco Systems. To allow L2TP
tunnels to pass through the router, L2TP Passthrough is enabled by default. To disable L2TP
Passthrough, select Disable.
Click the
Save Settings
button to save your changes. Click the
Cancel Changes
button to cancel
unsaved changes.
3.3.5
Access Restrictions
3.3.5.1
WAN Access
Use access restrictions, you can block or allow specific types of Internet applications.
You can
set specific PC-based Internet access policies.
This feature allows you to customize up to ten
different Internet Access Policies for particular PCs, which are identified by their IP or MAC
addresses.
Two options in the default policy rules: "Filter" and "reject". If select "Deny”, you will deny
specific computers to access any Internet service at a particular time period. If you choose to
