Special Applications - 3Com OfficeConnect User Manual

Example:
Allowing only web and E-mail access.
To allow web and E-mail access and block all other services
across the Router's firewall:
Ensure that the Control PC Access to the Internet radio button
is selected.
Click on All PCs to pop up the PC Privileges window.
Ensure that the Email (110,25) and Web (80) boxes are
checked and that other check-boxes are left cleared.
Set the Block or Allow other services: drop-down box to Block
other services.
For the purposes of this example, your users also need to access
a test server on port 8000. To allow this:
Enter the number 8000 in the except (specify ports): box.
Click Apply to save your changes and close the PC Privileges
window.
VPN connections to other networks are unaffected by settings in
PC Privileges. To allow or deny VPN connections to other
networks see "Configuring VPNs" on page 58.

Special Applications

Select Special Applications tab to display the Authorized
Application setup screen. See
Figure 50 Special Applications Screen
Some software applications need a connection to be started from
the Internet — an act that is usually blocked by the Router's
firewall.
52
Figure 50 below.