Lenovo ThinkPad W541 (English) System Update 3.14 Deployment Guide - Page 19
Configurations, Connection configurations - ports
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Chapter 3. Configurations This chapter provides you with conceptual information and procedures to configure connectivity settings, repository locations and the user interface. Connection configurations System Update and Update Retriever support three types of connectivity configuration: direct connection, static proxy connection, and auto-configuration script. v Direct connection - This type of configuration is used when no proxy is required to connect to the Internet. It means the application can connect directly to the Lenovo Help Center servers. v Static proxy connection System Update and Update Retriever support two types of proxies, HTTP proxy and SOCKS proxy. - Connection through HTTP proxy - In this type of configuration, System Update and Update Retriever connect to an HTTP proxy server to access the Internet. The proxy server connects to the Lenovo Help Center. Note: HTTP basic and NTLM authentications are supported. The following elements are obtained from the system configuration: - Proxy server name or IP address - Proxy server port The proxy server might require each client to authenticate before it can be granted access to the Internet. In that case, the end user must additionally provide a user name and password. The user name and password values can be set for the end user by the administrator. The HTTP proxy Authenticator uses the Login dialog whenever the HTTP and proxy Authenticator needs the end user to provide a user name and password in order to connect successfully to the Proxy server. SOCKS authentication is not supported. - Connection through a SOCKS proxy In this type of configuration, System Update and Update Retriever connect to a SOCKS server and then the SOCKS server connects to the Lenovo Help Center. The following elements must be configured: - Server name or IP address - Server port Note: Only SOCKS 4 without authentication is supported. © Copyright Lenovo 2009 13