Detailed explanation: Network service in WinXP/2003

1. Application Layer Gateway Service ALG (Application Layer Gateway). Support for third-party protocol plug-ins for Internet Connection Sharing and Internet Connection Firewall. The service process is named Alg.exe. Dependencies: Internet Connection Firewall (ICF)/Internet Connection Sharing (ICS) Recommendation: Stop if you do not use Internet Connection Sharing (ICS) to provide Internet access and Internet Connection Firewall (ICF) software for multiple computers. 2.Background Intelligent Transfer Service BITS (Background Intelligent Transfer Service). Use idle network bandwidth to transfer data. When the network is disconnected or the computer needs to be restarted, the service automatically maintains the file transfer. When the network is reconnected, the service will continue to transfer files from where it left off. The service process is named Svchost.exe. Dependencies: Remote Procedure Call (RPC) and Workstation Recommendation: The application of this service is to implement the resume of the automatic update when Windows is supported, and start according to the specific conditions of the Automatic Updates service. 3. Computer Browser Browser. Maintain an updated list of computers on your network and provide a list to your computer to specify browsing. The service process is named Svchost.exe. Dependencies: Server and Workstation Recommendation: General home computers don't touch unless your computer is on a LAN and stops. 4. DHCP Client Dhcp (DHCP Client Service). Manage network configuration by registering and changing IP addresses and DNS names. Simply put, DHCP means that all the network parameters are automatically assigned to any computer in the network by a host in the network, and the DHCP client is the object computer in the network that is assigned network parameters. The service process is named Svchost.exe. Dependencies: AFD network support environment, SYMTDI, TCP/IP Protocol Driver and NetBIOS over TCP/IP Recommendation: Stop if your machine can automatically assign IP addresses and other parameters to the network. For home users, as long as you use DSL/Cable to access the Internet and open ICS and IPSEC services, you need this service to specify a static IP and start it. 5.Distributed Link Tracking Client TrkWks (Distributed Link Tracking Client Service). Keep links between NTFS files in your computer or keep links between computers in your network domain. The service process is named Svchost.exe. Dependency: Remote Procedure Call (RPC) Recommendation: Stop for users who are not on the LAN. 6.DNS Client Dnscache (DNS Client Service). The computer resolves and buffers the Domain Name System (DNS) name for this computer. The service process is named Svchost.exe. Dependencies: TCP/IP Protocol Driver Recommendation: In fact, a website does not have only one server at work, and stops based on security considerations. 7. Messenger Messenger (messenger service). Transfer NET SEND and Alerter service messages between the client and server. This service is not related to Windows Messenger. The service process is named Svchost.exe. Dependencies: NetBIOS Interface, Plug and Play, Remote Procedure Call (RPC), Workstation Recommendation: Stop based on security considerations