SnapGear 1.7.8 manual Field Description

Field	Description
Enable Dial-in	To enable and configure dial-in, check the relevant COM port
	box. The selected port is now available for dial-in access. If no
	COM port is selected, all dial-in attempts will be blocked.
	The current dial-in status of all COM ports is displayed. If dial-
	in is already enabled, the checkbox displays a bold or shaded
	check mark. If dial-in is not enabled, the checkbox is clear
	Note: A port enabled for dial-in cannot be used simultaneously
	for dial-out activities (e.g. dial-on-demand Internet
	connection). If a port was previously set up for Internet access
	and is later enabled for dial-in, the Internet access function is
	disabled.
IP Addresses	Dial-in users must be assigned local IP addresses to access
for Dial-in users	the local network. Specify a free IP address from your local
	network that each dial-up client will use when connecting to
	the SnapGear appliance.
Authentication	The authentication scheme is the method the SnapGear
Scheme	appliance uses to challenge users dialing into the network.
	Dial-in clients must be configured to use the selected
	authentication scheme which may be one of:
	• MSCHAPv2 is the most secure.
	• CHAP is less secure, and PAP (although more
	common) is even less secure. If you select None, no
	username/password authentication is done on dial-in.
	• RADIUS and TACACS+ use a remote authentication
	server on the local network. When selected, you must
	enter the IP address of a server setup to use this
	scheme.
Idle Timeout	If a dial-in connection remains inactive, it can be automatically
	disconnected after a specified time period. Selecting Enable
	idle timeout will disconnect idle connections after 5 minutes.
	Idle time can be set between 0 – 99 minutes.

After enabling and configuring the selected SnapGear appliance COM ports to support dial-in, click Continue to create and configure the dial-in user accounts.

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Dial-in server configuration