Manual do usuário NETGEAR Cable/DSL ProSafe High FVL328

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Everybody’s connecting.

FVL328 Cable/DSL ProSafe High-Speed VPN Firewall


Frequently Asked Questions


1. What is the FVL328 Cable/DSL ProSafe High Speed VPN Firewall?
FVL328 is a network security device used to connect a Local Area network (LAN) securely via a broadband
Internet connection to many other private LANs or individual remote users. It can also be used as a
standalone firewall behind an existing router. The product provides 100 VPN tunnels and Stateful Packet

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FVL328 Cable/DSL ProSafe High-Speed VPN Firewall Page 2 7. How many VPN tunnels can the FVL328 support at one time? As a standard feature, the FVL328 has the ability to support up to 100 VPN tunnels at one time. This can be a combination of branch office, mobile users or partner connections. 8. What is encryption? A mathematical operation that transforms data from "clear text" to "cipher text," which cannot be interpreted. Usually the mathematical operation requires that an

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FVL328 Cable/DSL ProSafe High-Speed VPN Firewall Page 3 addition, AH does not protect the data’s confidentiality. If data is intercepted and only AH is used, the message contents can be read. ESP protects data confidentiality. For added protection in certain cases, AH and ESP can be used together. In the following table, IP HDR represents the IP header and includes both source and destination IP addresses. 14. What is Encapsulating Security Payload (ESP)? ESP provides authentica

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FVL328 Cable/DSL ProSafe High-Speed VPN Firewall Page 4 19. Why do need a router or firewall when I have a connection to the Internet through my PC already? With the advent of computer hacking into homes and businesses, the increased reliance on home computers to store valuable information, and the development of applications that share content over the Internet through networked PCs, network security becomes an important issue. Simply connecting a PC to a DSL or cable modem does

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FVL328 Cable/DSL ProSafe High-Speed VPN Firewall Page 5 will know if the source address that is being sent is from within the LAN or external to the LAN. If an attack were launched from the WAN and an internal source address was used in the offending packet, normal routers would slow down, as they would not be able to tell where to respond. SPI-based routers are able to compare the “state” of the packet relative to previous packets and determine that the source address is incorrec

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FVL328 Cable/DSL ProSafe High-Speed VPN Firewall Page 6 35. How about if I want to establish 1 VPN tunnel to another site? To establish a VPN tunnel, you’ll need the following: • A device that can establish a VPN tunnel, such as an FVL328 at the main office • Either client software for the mobile user, or another device that can terminate the VPN tunnel, such as another FVL328. You can also use a router that supports IPSec pass-through used in conjunction with the client softwar

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FVL328 Cable/DSL ProSafe High-Speed VPN Firewall Page 7 f. Network Associates Gauntlet VPN for Solaris g. Network Associates PGP 300 for Solaris h. Nortel Networks Contivity Extranet Switch 1600 i. Safenet SafeNet / Soft-PK client j. Secure Computing Sidewinder k. Symantec Corporation Symantec Enterprise VPN (SEVPN) 41. What about backward compatibility with the FR318 and FV318? You cannot set up a box-to-box VPN tunnel with the older FV318 and FR318, due to firm

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FVL328 Cable/DSL ProSafe High-Speed VPN Firewall Page 8 ® ® ® 50. How can I play Internet games (i.e.: Ages of Empire , Quake , Unreal Tournament , etc…) and applications ® ® ® (i.e.: Napster , ICQ , AOL Instant Messenger™, etc…:) with the FVL328? Enable the public servers (inbound rules) feature of the web configuration screen. Generally, VPN products aren’t recommended for “gamers,” since the level of security, the processing required for the secure connections, and the encrypti

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FVL328 Cable/DSL ProSafe High-Speed VPN Firewall Page 9 59. Does the FVL328 support any Operating System? Yes, the FVL328 is compatible with other Operating System provided the system supports TCP/IP (i.e. can support a web browser). 60. How do I set restriction on what web sites my employees are allow to view? You can use the "content filtering" page on the FVL328 to setup these options. Please refer to the FVL328 manual for a more complete description of how to set up the FVL