| Troubleshooting |
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3Com Knowledgebase
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A database of technical information to help you diagnose and solve installation, upgrade and configuration problems.
 
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Product FAQs
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Q:
How do I reset a firewall to factory defaults?
A:
Open this document (approx 800KB) for detailed steps on how to reset a firewall.
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Q:
How do I configure either a standard or NAT enabled firewall?
A:
Open this document (approx 270KB) for detailed steps on how to configure a standard or NAT enabled firewall.
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Q:
How do I configure a VPN tunnel between a remote client to a firewall?
A:
Open this document (approx 520KB) for detailed steps on how to configure a VPN tunnel between a remote client to a firewall.
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Q:
How do I configure a VPN tunnel between a firewall to firewall?
A:
Open this document (approx 450 KB) for detailed steps on how to configure a VPN tunnel between a firewall to firewall.
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Q:
How do I set up filters?
A:
By default, if a packet does not meet any description given in a section, it will be allowed to pass. However, rules can be made to accept only certain packets, and the section can be ended with the rule, "deny," in which case all other traffic will be prevented. To explicitly permit all other traffic, the rule is "permit."
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Q:
What is a firewall?
A:
The 3Com Firewall provides Internet security, Virtual Private Networking (VPN), and content filtering with high performance hardware to meet the needs of medium/large networks. The 3Com Firewall offers branch offices and large, single-site networks a comprehensive security system to combat intruders and secure important business data. The 3ComFirewall is platform independent, easy-to-install and requires no security or networking expertise. Once installed, it runs quietly and can be securely managed via a Web browser.
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Q:
What is the purpose of a firewall?
A:
The purpose of a firewall is to prevent theft, destruction, and modification of data, to filter incoming data of unsafe or objectionable content, and to log events which may be important to the security of your network.
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