有没有SCCM的大神，SCCM客户端活跃状况变成了非活动是什么情况。

SCCM SQL.docx

SCCM SQL.docx

CVE-2025-33073高危漏洞深度解析：SMB协议缺陷与域内横向移动防御

SMB（Server Message Block）协议是Windows网络中实现文件、打印机共享的核心通信协议，其身份验证与会话管理机制是保障网络资源安全访问的基础。当SMB客户端的访问控制逻辑存在缺陷时，攻击者可能利用会话复用等机制进行权限提升，从而绕过身份验证，获取系统最高权限。这种漏洞的技术价值在于其极低的利用门槛和广泛的横向移动能力，一旦被利用，攻击者可以凭借一个普通域用户凭证，在未强制启用SMB签名的内网环境中快速扩散，最终导致整个域环境沦陷。本文聚焦于近期活跃的CVE-2025-33073漏洞，

Citrix_XenApp5

• Citrix XenApp5.0培训 • 主讲：jaffee • XenApp 5.0 server • Farm：  Citrix XenApp server uses server farms to organize and manage servers.  load balance user sessions  manage the entire set of Citrix XenApp servers from a single point  Users can connect directly to applications, without needing to know the location of an individual server  reconnect to another server and receive the same environment as before when the sever crashs • TwoTechnology • ICA： Independent Computing Architecture  At its heart, ICA intercepts and transports screens from the server that a published application runs on to the client PC It then takes the user’s return input and transmits it back to the server for processing  ICA uses port 1494 by default, or 2598  What Is Actually Being Sent between an ICA Client and a XenApp Server?  ICA works by essentially piggybacking on top of other protocols such as TCP/IP、 UDP and IPX/SPX  The ICA client also can cache frequently used graphics such as icons and menu items • Citrix Session States • TwoTechnology • Independent Management Architecture(IMA)  It is a centralized management subsystem that allows you to define and control the elements of your server farm  Server-to-server communication occurs over TCP port 2512, PMC-to-server communication occurs over TCP port 2513  In essence, it is the technology that allows you to group servers • Citrix Datastore • S tore information within the Citrix XenApp server farm that remains relatively static. Items such as published applications, administrator names and permissions, and server listings • A single datastore is used for each individual server farm • T he datastore can reside on a Citrix XenApp server or on a dedicated host • Citrix XenApp supports Microsoft Access, MS SQL Express, MS SQL Server, IBM DB2 • Disk space requirements for the datastore are approximately 20 MB for every 100 servers • Datastore Usage • Access mode: direct mode and indirect mode  Direct mode :Microsoft SQL or Oracle  Indirect mod:Microsoft Access With the availability of three solutions for the datastore, how do you tell which one best fits your environment? • LHC :Local Host Cache • The LHC is a partial copy of the datastore database that every XenApp server maintains locally to the server itself  Continue running based on the configuration that is last received from the datastore  performance • Data Collector • Manage information that changes frequently, such as current sessions, active licenses, and server and application load values within a zone • The data collector acts as the central point of information when clients connect to your server farm • Every zone with a server farm consists of one active data collector • Bandwidth Requirements for a Server Farm • Server-to-Data-Store Communication KB = 275 + (5 * Servers) + (0.5 * Apps) + (92 * Print Drivers) A farm with 4 severs,12 published applications, and 6 print drivers KB = 275 + (5 * 4) + (0.5 * 12) + (92 * 6) KB = 275 + (20) + (6) + (552) KB = 275 + (578) KB = 853 • Bandwidth Requirements for a Server Farm • Data Collector Communication Bytes = 11000 + (1000 * Con) + (600 * Discon) + (350 * Apps) A server with 20 connected sessions, four disconnected sessions, and nine published applications Bytes = 11,000 + (1,000 * 20) + (600 * 4) + (350 * 9) Bytes = 11,000 + (20,000) + (2400) + (3150) Bytes = 11,000 + (25,550) Bytes = 36,550 or 36.55 KB • Listener Ports • Listener ports work in cooperation with internal system components and client connections • The listener service monitors new client connections and manages the idle sessions. • CPS4.5 vs XenApp 5.0 XenApp 2008/1 Presentation Server MetaFrame WinFrame Note: Xen App5.0:windows server 2003*/2008* CPS4.5 :windows server 2003 * • XenApp Server Editions • XenApp Edition Components • XenApp 5.0 Server License Server • XenApp server will not accept user connections until it can contact a License Server • Citrix provides a 96-hour initial grace period that will allow up to two users to connect while unable to connect to a License Server • Citrix XenApp client • the XenApp Plugin,the XenApp Web Plugin, and Program Neighborhood • Microsoft’s System Center Configuration Manager (SCCM) IBM’s Tivoli Provisioning Manager are used to centralize deployment and maintain software • the XenApp Plugin • Launch applications from her Start | Programs menu • Step:  publishing an application to the XenApp farm  To launch an application from the System Tray icon  DISCONNECT, RECONNECT, AND LOG OFF OF AN APPLICATION WITH THE CONNECTION CENTER • the Citrix XenApp Web Plugin • The Web Plugin is the simplest of the Windows clients and does not allow for as much interaction or configuration. • often be deployed in scenarios where machines are older, slower, or not in need of additional configuration options such as the Start menu and desktop shortcuts • Program Neighborhood • Oldest ICA client version but the most advanced • Many settings are available to users as check boxes or radio buttons • good in the sense that users can enable a setting such as Local Text Echo for just their client if they are a fast typist and the latency of the session cannot keep up; and bad when a user can delete his application set and can’t get connected • the only client that connects to applications on a Citrix server that have not been published for access by users

Windows C盘清理脚本[项目源码]

本文介绍了如何通过PowerShell脚本安全清理Windows C盘空间，避免误删重要文件。文章详细列出了可以清理的目录，如用户临时文件、系统临时文件、Windows更新缓存等，并强调了不应手动删除的关键目录，如WindowsInstaller和WinSxS。脚本设计原则是只清理缓存，不碰用户资料和系统关键组件。此外，文章还提供了脚本的使用方法、常见问题解答以及清理项的对比表，帮助用户安全有效地释放C盘空间。

cc-switch-3.14.1-win.msi资源

cc-switch-3.14.1-win.msi资源