The Deep description on Windows Services
We have tried our best efforts to explore the deepth of windows services and all the given information is gathered from Microsoft notes (As its microsoft product)
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| 91.Service Name:-SCardSvr |
| Executable Name:-SCardSvr.exe |
| Log On As:-LocalSystem |
Description:-Manages and controls access to a smart card inserted into a smart card reader attached to the computer. The smart card subsystem is based on personal computer/smart card (PC/SC) consortium standards and consists of the following components.
- The Resource Manager. This component manages access to readers and smart cards. To manage these resources, it performs the following functions:
- Identifies and tracks resources.
- Allocates readers and resources across multiple applications.
- Supports transaction primitives for accessing services available on a given card.
- The resource manager also exposes a subset of the Win32 API to provide applications with access to these functions.
- A Card/Reader Selection UI. This component allows simple smart card aware applications to access a card and reader with minimum coding.
Stopping or disabling the smart card service will result in a loss of smart card support on the operating system.
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| Avaliable on OS:-Windows XP Home, Windows XP Professional; Windows Server 2003, Standard Edition; Windows Server 2003, Enterprise Edition; Windows Server 2003, Datacenter Edition and Windows Server 2003, Web Edition. |
| Installed through:-Default operating system installation |
| Startup type:-Manual |
| Service status:-Stopped |
| This service depends on the following system components:-Plug and Play |
| The following system components depend on this service:-None |
| Port Numbers used:-None |
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| 92.Service Name:-SNMP |
| Executable Name:-snmp.exe |
| Log On As:-LocalSystem |
Description:-
Allows incoming SNMP (Simple Network Management Protocol) requests to be serviced by the local computer. SNMP includes agents that monitor activity in network devices and report to the network console workstation. SNMP provides a method of managing network hosts such as workstation or server computers, routers, bridges, and hubs from a centrally-located computer running network management software. SNMP performs management services by using a distributed architecture of management systems and agents.
SNMP can be used to:
- Configure remote devices. Configuration information can be sent to each networked host from the management system.
- Monitor network performance. You can track the speed of processing and network throughput, and collect information about the success of data transmissions.
- Detect network faults or inappropriate access. You can configure trigger alarms on network devices when certain events occur. When an alarm is triggered, the device forwards an event message to the management system. Common types of alarms include a device being shut down and restarted, a link failure being detected on a router, and inappropriate access.
- Audit network usage. You can monitor both overall network usage to identify user or group access, and types of usage for network devices and services.
The SNMP service also includes an SNMP agent that allows remote, centralized management of computers running:
- Windows XP Home Edition
- Windows XP Professional
- Windows 2000 Professional
- Windows 2000 Server
- Windows Server 2003
The SNMP agent also allows management of the following services:
- Windows XP or the Windows Server 2003 family and Windows 2000-based WINS
- Windows XP or the Windows Server 2003 family and Windows 2000-based DHCP
- Windows XP or the Windows Server 2003 family and Windows 2000-based Internet Information Services
- LAN Manager
If the service is stopped or disabled, the computer will no longer respond to SNMP requests. If the computer is being monitored by network management tools, the tools won't be able to collect data from the computer or control its functionality via SNMP.
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| Avaliable on OS:-Windows Server 2003, Standard Edition; Windows Server 2003, Enterprise Edition; Windows Server 2003, Datacenter Edition and Windows Server 2003, Web Edition. |
| Installed through:-Add/Remove Programs, Add/Remove Windows Components, Management and Monitoring Tools |
| Startup type:-Automatic |
| Service status:-Started |
| This service depends on the following system components:-Event Log |
| The following system components depend on this service:-None |
| Port Numbers used:-UDP: 161 (general SNMP messages |
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| 93.Service Name:-SNMPTRAP |
| Executable Name:-snmptrap.exe |
| Log On As:-LocalService |
Description:-Receives trap messages generated by local or remote SNMP agents and forwards the messages to SNMP management programs running on the computer.
The SNMP service, when configured for an agent, generates trap messages if any specific events occur. These messages are sent to a trap destination. For example, an agent can be configured to initiate an authentication trap if a request for information is sent by an unrecognized management system.
Trap destinations consist of the computer name or the IP or IPX address of the management system. The trap destination must be a network-enabled host that is running SNMP management software. Trap destinations can be configured by a user, but the events (such as a system reboot) that generate a trap message are internally defined by the SNMP agent.
If the service is stopped or disabled, SNMP applications won't receive SNMP traps that they are registered to receive. If this computer is being used to monitor network devices or server applications using SNMP traps, significant system occurrences could be missed.
See also SNMP Service.
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| Avaliable on OS:-Windows Server 2003, Standard Edition; Windows Server 2003, Enterprise Edition; Windows Server 2003, Datacenter Edition and Windows Server 2003, Web Edition. |
| Installed through:-Add/Remove Programs, Add/Remove Windows Components, Management and Monitoring Tools |
| Startup type:-Automatic |
| Service status:-Started |
| This service depends on the following system components:-None |
| The following system components depend on this service:-None |
| Port Numbers used:-UDP: 162 |
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