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Which operating systems use SMB protocol?
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Jun 8, 2020 · SMB (Server Message Block) is a critical network protocol that enables file and printer sharing services on Windows networks. Over the years, SMB has evolved through three major versions – SMBv1, SMBv2, and SMBv3 – each bringing significant improvements in performance, scalability, and security.
- SMB Protocol Dialects
- Understanding SMB Protocol Services
- Various SMB Protocol Implementations
- Security Considerations For The SMB Protocol
- Conclusion
The SMB protocol has evolved over time, and its various versions are commonly referred to as dialects. Microsoft continues to work hard to improve SMB with each new version of Windows. The following table shows the SMB dialects used in various Windows versions: As you can see in the table, Windows 11 and Windows Server 2022 still use the SMB 3.1.1 ...
As a client–server protocol, SMB requires a server service (LanmanServer) and a client service (LanmanWorkstation). Every Windows computer, whether it is running a server OS (like Server 2016 or Server 2019) or a client OS (like Windows 10 or Windows 11), has both the LanmanServer and LanmanWorkstation services. You can check the status of both ser...
The SMB protocol is one of the most popular protocols for file and resource sharing over networks. And not only with Windows—it has also been widely adopted by other operating systems, such as Linux/Unix and macOS. Below are some of the most popular implementations of the SMB protocol: 1. CIFS—The common internet file system (CIFS) is Microsoft's i...
Remember the infamous WannaCry and Petya attacks and the EternalBlue exploit? They all lead back to an SMB 1.0 vulnerability, one way or another. Therefore, it is vital to cover some SMB features that you can use to secure SMB communication in your network. We will cover the following best practices to secure SMB communication: 1. Explicitly disabl...
I hope that by reading this article, you will have a good understanding of how the SMB protocol works and the different ways to protect SMB communication in your network. This is not a comprehensive security checklist, but it gives a fair enough idea about a few SMB security measures. In my next post, I will clear up some confusion about the SMB po...
SMB has evolved through multiple versions, referred to as dialects, with the most widely used versions being SMB1 (also known as CIFS – Common Internet File System), SMB2, and SMB3. Each dialect improves upon its predecessor in terms of performance, security, and functionality.
Jan 26, 2023 · This topic describes the SMB 3 feature in Windows Server 2019, Windows Server 2016, Windows Server 2012 R2, and Windows Server 2012—practical uses for the feature, the most significant new or updated functionality in this version compared to previous versions, and the hardware requirements.
Microsoft Windows operating systems (OSes) since Windows 95 have included client and server SMB protocol support. The Linux OS and macOS also provide built-in support for SMB. In addition, Unix -based systems can use Samba to facilitate SMB access to file and print services.
Feb 13, 2024 · The evolution of SMB can be segmented into its major versions: SMB 1.0 (1996): Introduced by Microsoft, laying the groundwork for network file and printer sharing. SMB 2.0 (2006): A major overhaul that improved performance, reduced complexity, and enhanced security.
SMB serves as the basis for Microsoft's Distributed File System implementation. SMB relies on the TCP and IP protocols for transport. This combination allows file sharing over complex, interconnected networks, including the public Internet. The SMB server component uses TCP port 445.
