Administration HiPath 3000/5000 V7 IP systems

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3000sb4.fm HiPath 3000/5000 in the LAN Network For internal use only HG 1500 V3.0 4.5.10 Virtual Private Network (VPN) Virtual Private Networks (VPN) connect individual computers and local networks via the Internet to form a closed virtual network. Communication in a VPN is tunneled through the Internet (encapsulated) and is protected from tapping and access by third parties such as Internet users and providers that are not a part of the VPN. A VPN enables an intranet to be extended beyond the LAN, for example to home workstations or branch offices, without requiring a dedicated line. Teleworker A VPN tunnel HiPath 3000 with HG 1500 HiPath 3000 with HG 1500 Figure 4-4 VPN - Sample Configuration A VPN provides the following key functions: Switch LAN B Switch LAN C ● The tunnel endpoints (gateway or teleworker PC) are reliably identified. ● Exchanged data is protected from tapping during transmission. ● Exchanged data is protected from being modified during transmission. P31003-H3570-Y100-4-7618, 2007-10-31 4-38 HiPath 3000/5000 V7, System Description
3000sb4.fm For internal use only HiPath 3000/5000 in the LAN Network HG 1500 V3.0 A VPN therefore guarantees that data actually comes from where it appears to have come from. that they are transferred from there unaltered; and that they are not made known to a third party on the way. The HG 1500 V3.0 provides this function based on IPsec – a secure implementation of the IP protocol on level 3. This ensures that the VPN is transparent to applications as well as hardware. The VPN security functions are available for LAN connections (for example LAN B and LAN C in Figure 4-5). In this case, they are completely transparent to the computers participating in the LANs. They can also be used for connecting individual computers (teleworkers), for example, teleworker A in LAN B in Figure 4-5). in this case, the VPN client software installed on the teleworker PC must be compatible with the VPN functions of HG 1500 V3.0. A VPN (Virtual Private Network) is a network where communication is protected as far as humanly possible against tapping, clandestine modification and the misrepresentation of fake tunnel endpoints. The required protocols are available in the HG 1500 V3.0. Before a VPN can be created, however, the gateway itself, and especially its administration, must be made secure against attacks. 4.5.10.1 Secure Mode Unless special measures are taken, HG 1500 V3.0 operates in non-secure mode. This means, among other things, that administration access is not encrypted during transmission over the network. The gateway recognizes the following security modes: ● Factory mode: has no configuration data. ● Insecure mode: gateway is configured, SSL and VPN are disabled. Insecure data transmission is possible. ● Activation of SSL: intermediate status between introduction of secure mode and configuration of SSL. Access is only possible via CLI at the V.24 interface; no data transmission is allowed. ● Secure administration: SSL is enabled. Access via CLI at the V.24 interface and WBM (via HTTPS) are possible. User data is transferred in insecure mode, and configuration data and software images are transferred in secure mode. ● Secure mode: SSL and VPN are active and configured. Access via CLI at the V.24 interface and WBM (via HTTPS) are possible. Secure and insecure data transmission are possible according to the security policy configured. P31003-H3570-Y100-4-7618, 2007-10-31 HiPath 3000/5000 V7, System Description 4-39
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Administration HiPath 3000/5000 V7 IP systems

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