BroadMax Technology LinkMAX HSA300 Uživatelský manuál stáhnout pdf (Strana 116)

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 HSA300 User Manual

116

able to access FTP Internet sites (and any others that use

destination port numbers other than 80).

Example 2. Blocking Telnet accesses to HSA300:

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 57 shows how this rule could be configured:

Figure 57. IP Filter Rule Example 2

1 2 ... 111 112 113 114 115 116 117 118 119 120 121 ... 143 144

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BroadMax Technology LinkMAX HSA300 Uživatelský manuál Strana 116