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Nov 29, 2022 · Server message block or SMB is a communication protocol designed to provide shared access to data, files, devices, and other assets running on an interconnected network. This article explains the functioning of SMB, its key features, and applications.
Sep 23, 2020 · The Server Message Block protocol enables the client to communicate with other participants in the same network, allowing it to access files or services open to it in the network.
- 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 allows for a great increase in handling number of users, and giving them file access and operational control for every server used. The new SMB dialects are built for scaling up, and allow every server to handle greater numbers of open file handles, file shares and concurrent operations.
The Server Message Block protocol (SMB protocol) is a client-server communication protocol used for sharing access to files, printers, serial ports and other resources on a network. It can also carry transaction protocols for interprocess communication.
Server Message Block (SMB) is one of the most popular file server protocols today. Here, we’ll take a look at the SMB protocol and popular software options for implementing it both on corporate networks and in commercial products.
Jun 28, 2023 · Answering the question “What is SMB?” and understanding its importance to online security is an almost foolproof way to help clients, servers and shares be informed about and stay protected from online dangers.
