Citrix NetScaler
How to Configure Rate Limiting in NetScaler
What are the Rate Limiting factors for the high performance NetScaler MPX appliances? In the high performance NetScaler MPX appliances, such as NetScaler MPX appliance 17500, 19500, and 21500, the following are the parameters that determine the Rate Limit of the appliance: Packets per second Throughput Packet Engines Secure Socket Layer (SSL) chips or cores [...]
How to Configure XPath Injection Prevention feature in NetScaler
It’s important to know that XML is just as susceptible as HTML and other formats to code injection methods. As XML is very generous when it comes to accepting poor typing and XPath parsers are merciful to input data, XML is all the more at risk. As per Wikipedia, injection attacks are “… a technique [...]
How to Recover a Password for a NetScaler Appliance
At times, you might need to recover the password for a NetScaler appliance if the user of the appliance has forgotten the same. To recover the password for the NetScaler appliance, complete the following procedure: Attach a console cable to the Serial Console (9600 baud, 8 bits, 1 stop bit, No parity) of the NetScaler [...]
How to Configure the Direct Server Return (DSR) Feature on the NetScaler Appliance
To configure the Direct Server Return (DSR) feature on the NetScaler appliance, complete the following procedure from the command line interface of the appliance: Run the following command to enable the MBF (Mac Based Forwarding) mode: enable ns mode mbf Run the following command to create the service: add service <Service_Name> <IP_Address> ANY * -usip [...]
Hotfix Rollup Pack 6 for Citrix XenApp 5.0 and Citrix Presentation Server 4.5 for Microsoft Windows Server 2003 32-bit Edition
Hotfix readme name:Â PSE450W2K3R06.HTML Hotfix package name:Â PSE450W2K3R06.MSP For: Computers running Windows Server 2003 (32-bit) with one of the following installed: XenApp 5 Feature Pack 2 XenApp 5 Presentation Server 4.5 Feature Pack 1 Presentation Server 4.5 XenApp Fundamentals 2.0 Replaces: PSE450W2K3R01, PSE450W2K3R02, PSE450W2K3R03, PSE450W2K3R04, PSE450W2K3R05, PSE450R03W2K3069, PSE450R03W2K3070, PSE450R04W2K3031, PSE450R04W2K3032, PSE450R04W2K3033, PSE450R04W2K3034, PSE450R04W2K3035, PSE450R04W2K3036, PSE450R04W2K3037, PSE450R04W2K3038, PSE450R04W2K3039, [...]
How to Get TWAIN to Work in XenApp 5.0 for Windows 2008 32-bit or 64bit
By default in Windows 2008 the twain_32.dll is not in the same directory of past Windows Operating Systems which was (C:\Windows). So when an application makes a call for twain_32.dll it is unable to find the file and in turn unable to find any scanners attached to the clients machine. Resolution For Windows 2008 32bit [...]
How to troubleshoot the TWAIN redirection functionality with XenAp
TWAIN troubleshooting can be divided into two sections: Acquiring the scanner through an ICA session Acquiring the image through the scanning process. Section 1: Acquiring the scanner through an ICA session Ensure that the server edition is set to Advanced or higher. Ensure that the server version is set to 4.0 or higher. Ensure that [...]
How to Enable or Disable Web Server Logging in NetScaler
You can set parameters to enable web server logging and to modify the size of the buffer that stores the logged information. You can display these settings at any time. Use either of the following procedures to enable or disable web server logging. To enable or disable web server logging using Configuration Utility 1. In [...]
How to Disable High Availability Monitoring for Unused Interfaces in Citrix NetScaler
The high availability monitor is a virtual entity that monitors an interface. Youmust disable the monitor for the interfaces that are not connected or being usedfor traffic. When the monitor is enabled on one of the interfaces and the status ofthis interface is DOWN, the state of the node becomes NOT UP. In a highavailability [...]
How to Configuring a High Availability with Citrix NetScaler
To steps to set up a high availability environment, configure one NetScaler as primary and another as secondary. Perform the following tasks on each of the NetScalers: • Add a node. • Disable high availability monitoring for unused interfaces. Adding a Node A node is a logical representation of a peer NetScaler. It identifies the peer unit using [...]
How to Configure a Citrix NetScaler for the First Time by Configuration Utility
To set up a NetScaler using the Configuration Utility, you need an administrative workstation or laptop on the same network as the NetScaler. If you prefer to connect the workstation directly to a NetScaler, use an Ethernet crossover cable.You also need version 1.4.2_04 or higher of the Java® runtime environment. First-time configuration includes changing the [...]
How to log on to a NetScaler using an SSH client
1. On your workstation, run the SSH client. 2. Use the NSIP you assigned to your NetScaler during initial configuration, selecting either SSH1 or SSH2 as the protocol. 3. Log on as nsroot, using the administrative password you assigned during initial configuration. The following output appears on the your SSH client screen: login as: nsroot [...]
How To rack mount a Citrix NetScaler 7000
1. Position the NetScaler in the rack. Ensure that there is adequate ventilation. 2. Verify that the screw holes are aligned with the corresponding holes in the rack. 3. Insert two mounting screws on each side. 4. Tighten the mounting screws.
A Brief to Citrix NetScaler Editions
Citrix NetScaler software consists of the following three editions: • Citrix NetScaler, Standard Edition. Provides small and mediumenterprises with comprehensive Layer 4- Layer 7 (L4-L7) traffic management, enabling increased Web application availability. • Citrix NetScaler, Enterprise Edition. Provides Web applicationacceleration and advanced L4-L7 traffic management, enabling enterprises to increase Web application performance and availability and [...]
Understanding Virtual Servers in Citrix NetScaler
A vserver represents one or more applications in a server farm. The vserver is a named NetScaler entity that external clients can use to access applications hosted on the servers. It is represented by an alphanumeric name, virtual IP address(VIP), port, and protocol. The name of the vserver is only of local significanceand is designed [...]