The Internet Gateway's dial-in feature allows remote users to:
- Dial the modem connected to the Internet Gateway, using the same PPP
communication software (e.g. Dial-up Networking) that they use for
dial-in Internet access.
- Have their user name and password verified by the Internet Gateway.
(Note: If dial-in PPP link security is set to "None", no
verification is performed.)
- Access the LAN resources as if they were a local user.
For
additional security, the dial-back function can be used. In this situation, the
Internet Gateway will hang-up the user's incoming connection, and then
call them back.
To use the Dial-in Feature:
- The relevant port (the one dialed by the remote users) must be configured
for dial-in operation. See Dial-in Port Screen
for details.
- User access data is required. The options are as follows:
- Allow access by anyone and everyone (not recommended) - If
Dial-in PPP link security on the Dial-in Ports
screen is set to "None", then the user name and password is not checked, so
anyone who dials in can gain access.
- All users use the same log-in - Create a single user (on the
Users screen) with dial-in access, and all users use this log-in.
- Enter data for each user - Each person requiring dial-in access has
their data entered on the Users screen.
- The remote user can use the same dial-up software they use for Internet access.
They should check the following:
- Their program must dial the telephone number of the modem connected to the
port used for dial-in access.
- Their software should be set to obtain an IP Address from the dial-in host
(This is the standard configuration; no changes should be required.)
Upon
connection, the Internet Gateway will allocate a suitable unused IP
Address.
- When prompted for user name and password, they must enter the Name
and Password stored in the Internet Gateway.
- Once connected,the remote user can access LAN resources as they normally would.
They will appear to other LAN devices as a normal PC on the LAN, using the IP Address
allocated by the Internet Gateway.
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If you wish, you can reserve a port for Dial-in access by disabling
"Internet Access" from the Internet menu option.
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To
navigate to the Dial-in Port screen, follow this procedure.
If using LAN-to-LAN mode:
Select Port
Usage from the menu, select Dial-in for the desired
port, and click the Configure button.
If using Internet Access mode:
From the
Advanced Menu, select Port 1 or Port 2, as desired,
under Dial-in.
Sample Screen (Click to view)
Dial-In |
Enable
Dial-in
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If
checked, this port is available for dial-in access. Otherwise, any attempt to
dial-in will be blocked.
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Disconnect
after Idle Time
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If
a dial-in connection remains inactive, it is terminated after this time period.
Allowable range is 0-99 minutes; 0 means no limit.
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Dial-in
PPP Link
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Select
the desired security option for log-in:
- PAP has widespread support; almost all communications systems
support it.
- CHAP is more secure than PAP; the password is encrypted before
transmission. If it is selected, the dial-in clients must also support CHAP in
order to connect.
- MS CHAP is the Microsoft version of CHAP, used on Windows
platforms. If all dial-in clients are using Windows 95 or later, you can choose
this option.
- None means no checking is performed.
Warning! If
you choose "None", no User Name/Password authentication is performed on
dial-in. Anyone can connect; this is a major security risk.
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To reach this screen, select Dial-in Users from the menu.
Sample Screen (Click to view)
- The left side of the screen shows user with Dial-in access. The right side
shows users without Dial-in access.
- The user "Guest" is pre-defined, with no password or Dial-in access.
This name will appear on the right.
To grant Dial-in Access:
- Select the users from the list on the right. Multiple users can be
selected by holding down the CTRL key while selecting.
- Click the " << " button.
To remove Dial-in
Access:
- Select the users from the list on the left. Multiple users can be selected
by holding down the CTRL key while selecting.
- Click the " >> " button.
To change an existing
user's data:
- Select the user. The user can be in either list. Ensure that only one user
is selected.
- Click the Edit button under the list. You will then see the
User Details Screen.
To create a new user:
- Enter the users name in the Name box under the 2 lists.
- Click the Create button. You will then see the
User Details Screen.
Note
the limitations on user names:
- Multiple words are NOT allowed.
- Punctuation and special characters must NOT be used.
- User names are case insensitive (case is ignored).
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You can also use the "User Database" to add, list, search, modify, and delete users. |