This article describes how to enable and disable Server Message Block (SMB) version 1 (SMBv1), SMB version 2 (SMBv2), and SMB version 3 (SMBv3) on SMB client and server components. If you disable or remove SMBv1, you might encounter compatibility issues with old computers or software.

2024年10月25日 · SMB signing is a security feature that uses the session key and cipher suite to add a signature to a message going across a connection. SMB2 message integrity manifests on a signed session where signed packets flow from client to server.

2024年12月9日 · 在 SMB 3.1.1 协议中，会话密钥 (Session Key) 是一种关键的密钥，用于在认证完成后保护客户端和服务器之间的通信安全。 这个密钥不仅在 认证阶段 发挥作用，还用于 后续数据传输的加密 和 完整性保护 。

2025年1月15日 · SMB signing (also known as security signatures) is a security mechanism in the SMB protocol. SMB signing means that every SMB message contains a signature that is generated by using the session key. The client puts a hash of the entire message into the signature field of the SMB header.

2024年10月18日 · 在impacket中基于SMB协议主要实现远程文件访问及DCERPC调用两大作用，在SMBv1实现了标准的SMB认证，SMBv1和SMBv2中都实现了NTLM和Kerberos的拓展认证方式。 SMB 协议 详解

2024年11月28日 · Windows 11 企业版中，SMB（Server Message Block）共享协议确实与安全认证相关，特别是在涉及到网络共享、文件共享和认证时。SMB协议本身提供了多种认证和加密方式，以确保数据传输的安全性。下面是有关 SMB 登录时证书认证和安全认证的详细信息： 1. SMB 协

2021年5月23日 · Follow these steps to enable or disable SMBv2 using PowerShell. 1. Right click Start Button or press + X keys and select Windows PowerShell (Admin). 2. In administrative Windows PowerShell window, paste following and press Enter key: If the response of above command is True, then SMBv2 protocol is enabled. 3.

通过smb协议的命令字smb2 lock实现加锁和解锁。 与NLM锁类似，SMB锁类型按照是否独占分为：Shared（读）和Exclusive（写）两种锁，按照是否阻塞可以分为阻塞锁和非阻塞锁。

Look for keys like SMB1, SMB2, and SMB3. If the key‘s value is 1, that means the SMB version is enabled. A value of 0 indicates it‘s disabled. For example, these registry entries show SMBv2 currently enabled and SMBv1 disabled: SMB1: 0 SMB2: 1. And that covers how to review your SMB status through the registry as well!

Using the session key (SMB3+) Starting from Wireshark 2.5.0 (released Feb 2018) you can pass a list of SessionId -> SessionKey mappings via a table in the SMB2 preferences or command-line. The session key in this context refers to the cryptographic session keys used in authentication and message signing.