Change command

The CHANGE command replaces CHGLOGON, CHGUSER, and CHGPORT from Citrix Winframe. The change utilities are used to change current settings. The change command can invoke any one of the change utilities. change [logon | port | user] [/?] /? (help): Displays the syntax for the command and information about the command’s options. CHANGE LOGON Disables all logons for system maintenance. Syntax: change logon [/enable] [/disable] [/query] [/?] Parameters: none /enable

Ciphersuite

A cipher suite is a named combination of authentication, encryption, and message authentication code (MAC) algorithms used to negotiate the security settings for a network connection using the Transport Layer Security (TLS) or Secure Sockets Layer (SSL) network protocol. The structure and use of the cipher suite concept is defined in the documents that define the protocol (RFC 5246 standard for TLS version 1.2). A reference for named cipher suites is provided in RFC 2434, the TLS Cipher Suite Registry.

Citrix Licensing

Getting Started with Citrix Licensing Welcome to Citrix Licensing. This section provides details about how to license your Citrix product quickly and easily. It introduces you to the two major components that are part of the Citrix Licensing process: The Citrix License Server for Windows and the License Management Console. It provides you with a simplified overview of the licensing process and details the types of licenses available for Citrix products.

Citrix Licensing Daemons

License Manager Daemon (lmgrd.exe) The License Manager daemon handles the initial contact with the Citrix product, passing the connection to the Citrix vendor daemon. It also starts the Citrix vendor daemon. The License Manager daemon uses TCP/IP port 27000 by default. Citrix Vendor Daemon (Citrix.exe) Licenses are granted by the Citrix vendor daemon, a process that runs on the license server. The Citrix vendor daemon tracks the number of licenses that are checked out and which product has them.

Citrix Policies

To control user access or session environments, configure a Citrix policy. Citrix policies are the most efficient method of controlling connection, security, and bandwidth settings. You can create policies for specific groups of users, devices, or connection types. Each policy can contain multiple settings. For example, you can configure settings to: Configure farm settings such as Virtual IP, Health Monitoring and Recovery, and multimedia acceleration Control sound quality for client devices Allow users to access the Documents folder on their local client device Allow or prevent remote users from being able to save to their hard drives from a session Allow or prevent users from accessing the Windows clipboard Set a required encryption level for Citrix plug-ins Set the session importance level, which, along with the application importance level, determines resource allotment for Preferential Load Balancing You can work with policies through the Group Policy Editor in Windows or the Delivery Services Console in XenApp.

Citrix Ports and Commands

Citrix most used port list: License Manager Daemon(lmgrd.exe) 27000 Handles initial point of contact for license request. Citrix Vendor Daemon(Citrix.exe) 7279 Check-in/check-out of Citrix licenses License Management Console 8082 Web-based administration console Citrix Receiver 80/443 Communication with Merchandising Server ICA 1494 Access to applications and virtual desktops Session Reliability 2598 Access to applications and virtual desktops IMA 2512 Communication between Xenapp Servers. Management Console 2513 Citrix Management Consoles Application / Desktop Request 80/8080/443 XML Service STA 80/8080/443 Secure Ticketing Authority (embedded into XML Service) RDP 3389 To access the windows desktop remotely SQL Server Port 1433 Used for Data Store.

Citrix XML service

Explaining and Changing the Citrix XML Service Port Summary This article explains the XML Service. The Citrix XML Service was introduced with MetaFrame 1.8 Service Pack 2 and a Feature Release 1 license needed to be installed. MetaFrame XP and later incorporates the Citrix XML Service as a standard feature. When MetaFrame 1.8 Service Pack 2 or later is installed and the server rebooted, the Citrix XML Service binaries are placed on the system whether the Citrix XML Service was or was not installed.

Configuring Offline Access

Administrators can configure applications that are published to stream to desktops for offline access. This feature allows users to disconnect from the company network and continue to run their applications in offline mode for a specified length of time. No additional configuration is needed while profiling the application to create application profiles or targets that can be accessed offline. After you configure the offline application policy settings and configure a streamed application for offline access, the next time the user device connects to XenApp, the offline plug-in downloads the application and caches it on the user device.

Content Redirection

In Citrix Metaframe XP Feature Release 2 Citrix introduced content redirection. Content redirection can be divided in two parts. Server to Client content redirection; this makes it possible to start URLs locally on the client PC. Embedded URLs are intercepted on the server running Presentation Server and sent to the client. The user’s locally installed browser is used to display the website. Client to Server content redirection; when a user double-clicks a file the corresponding application is started on the Citrix server.

CPU Utilization Management

The CPU utilization management feature can improve the ability of a farm to manage resources and normalize CPU peaks when the farm’s performance becomes limited by CPU-intensive operations. In Windows, CPU utilization management entitles each user to an approximately equal amount of CPU, with each allocation being a relative percentage of the available CPU. However, if some users are not using their entitlement, that entitlement is divided among the processes from other users, provided those processes want to use the resource.