Windows Remote Management
WinRM (Windows Remote Management) is Microsoft's implementation of WS-Management in Windows which allows systems to access or exchange management information across a common network. Utilizing scripting objects or the built-in command-line tool, WinRM can be used with any remote computers that may have baseboard management controllers (BMCs) to acquire data. Windows-based computers including WinRM certain data supplied by Windows Management Instrumentation (WMI) can also be obtained.[1]
Components[edit]
- WinRM Scripting API
- Provides an Application programming interface enabling scripts to remotely acquire data from computers that perform WS-Management operations.
- winrm.cmd
- Built-in systems management command line tool allowing a machine operator to configure WinRM. Implementation consists a Visual Basic Scripting (VBS) Edition file (Winrm.vbs) which is written using the aforementioned WinRM scripting API.
- winrs.exe
- Another command line tool allowing the remote execution of most Cmd.exe commands. This tool utilizes the WS-Management protocol.
- Intelligent Platform Management Interface (IPMI) driver
- Provides hardware management and facilitates control of remote server hardware through BMCs. IPMI is most useful when the operating system is not running or deployed as it allows for continued remote operations of the bare metal hardware/software.
- WMI plug-in
- Allows WMI data to be made available to WinRM clients.[2]
- WMI service
- Leverages the WMI plug-in to provide requested data or control and can also be used to acquire data from most WMI classes. Examples include the Win32_Process, in addition to any IPMI-supplied data.
- WS-Management protocol
- Web Services Management is a DMTF open standard defining a SOAP-based protocol for the management of servers, devices, applications and various Web services. WS-Management provides a common way for systems to access and exchange management information across the IT infrastructure.[3]
Common Uses[edit]
Ansible communicates with Windows servers over WinRM using the python pywinrm package and can remotely run PowerShell scripts and commands.[4]
Thycotic's Secret Server also leverages WinRM to enable PowerShell remoting.[5]
SolarWinds Server and Application Monitoring software (SAM) utilizes a WinRM server on monitored servers for its PowerShell integration.[6]
Security[edit]
WinRM uses Kerberos for initial authentication by default. This ensures that actual credentials are never sent in client-server communications, instead relying on features such as hashing and tickets to connect.[7] Although WinRM listeners can be configured to encrypt all communications using HTTPS, with the use of Kerberos, even if unencrypted HTTP is used, all communication is still encrypted using a symmetric 256-bit key after the authentication phase completes. Using HTTPS with WinRM allows for additional security by insuring server identity via SSL/TLS certificates thereby preventing an attacker from impersonating it.[8]
References[edit]
- ↑ windows-sdk-content. "Windows Remote Management - Windows applications". docs.microsoft.com. Retrieved 2019-02-21.
- ↑ windows-sdk-content. "Windows Remote Management Glossary - Windows applications". docs.microsoft.com. Retrieved 2019-02-21.
- ↑ windows-sdk-content. "About Windows Remote Management - Windows applications". docs.microsoft.com. Retrieved 2019-02-21.
- ↑ "Windows Remote Management — Ansible Documentation". docs.ansible.com. Retrieved 2019-02-21.
- ↑ "Thycotic Support". thycotic.force.com. Retrieved 2019-02-21.
- ↑ "Create a WinRM HTTPS listener". SolarWinds Worldwide, LLC. Help and Support. 2016-03-24. Retrieved 2019-02-24.
- ↑ "How To: Configure WINRM for HTTPS". support.microsoft.com. Retrieved 2019-02-24.
- ↑ FoxDeploy (2017-02-08). "Is WinRM Secure or do I need HTTPs?". FoxDeploy.com. Retrieved 2019-02-24.
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