Configuring Firewall Settings
Check the protocol type you want to block and click the Submit button. Make sure to use the Commit feature to save your changes to the permanent memory.
To unblock a specific protocol, uncheck the protocol and repeat the submit and commit tasks.
The following list describes each of the available protocols:
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| Protocol |
| Description |
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| PPPoE |
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| modems use PPPoE to establish and maintain a |
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| connection with a service provider. PPPoE provides a |
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| means of logging in to the ISPs servers so that they |
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| can authenticate you as a customer and provide you |
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| access to the Internet. Check with your ISP before |
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| blocking this protocol. |
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| IP Multicast |
| IP Multicast is an extension to the IP protocol. It |
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| enables individual packets to be sent to multiple hosts |
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| on the Internet, and is often used for handling |
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| mailing lists and teleconferencing/videoconferencing. |
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| RARP |
| Reverse Address Resolution Protocol. This IP |
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| protocol provides a way for computers to determine |
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| their own IP addresses when they only know their |
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EN/LZT 108 6492 R2 - October 2003 | 91 |
