Wellink Corporation W202ER-4 ユーザーズマニュアル
VisionNet 202ER-4 ADSL Ethernet Router User’s Guide.
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1. Add a new rule for incoming 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.
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 save your changes.
Figure 52 shows how this rule could be configured:
Figure 52. IP Filter Rule Example 2