ATL Telecom AM30 User Manual
Page 138
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138
ATL Telecom User Guide
AM30
Figure 60 on page 131 shows the configuration for this rule. The specified computer will
not be able to access the Web, but will be able to access FTP Internet sites (and any others
that use destination port numbers other than 80).
Example 2. Blocking Telnet accesses to the ROUTER
1.
Add a new rule for packets incoming on the ppp-0 interface.
2.
Specify that the packet must contain the TCP protocol, and
must be destined for port 23, the well-known port number
used for the Telnet protocol.
3.
Enable the rule by clicking the radio button at the top of the
page.
4. Click
to create the rule, and commit your
changes.
Figure 61 shows how this rule could be configured:
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