Getting Started with Citrix ADC
Deploy a Citrix ADC VPX instance
Install a Citrix ADC VPX instance on Microsoft Hyper-V servers
Install a Citrix ADC VPX instance on Linux-KVM platform
Prerequisites for Installing Citrix ADC VPX Virtual Appliances on Linux-KVM Platform
Provisioning the Citrix ADC Virtual Appliance by using OpenStack
Provisioning the Citrix ADC Virtual Appliance by using the Virtual Machine Manager
Configuring Citrix ADC Virtual Appliances to Use SR-IOV Network Interface
Configuring Citrix ADC Virtual Appliances to use PCI Passthrough Network Interface
Provisioning the Citrix ADC Virtual Appliance by using the virsh Program
Provisioning the Citrix ADC Virtual Appliance with SR-IOV, on OpenStack
Configuring a Citrix ADC VPX Instance on KVM to Use OVS DPDK-Based Host Interfaces
Deploy a Citrix ADC VPX instance on Microsoft Azure
Network architecture for Citrix ADC VPX instances on Microsoft Azure
Configure multiple IP addresses for a Citrix ADC VPX standalone instance
Configure a high-availability setup with multiple IP addresses and NICs
Configure a high-availability setup with multiple IP addresses and NICs by using PowerShell commands
Configure HA-INC nodes by using the Citrix high availability template with Azure ILB
Configure address pools (IIP) for a Citrix Gateway appliance
Upgrade and downgrade a Citrix ADC appliance
Solutions for Telecom Service Providers
Load Balance Control-Plane Traffic that is based on Diameter, SIP, and SMPP Protocols
Provide Subscriber Load Distribution Using GSLB Across Core-Networks of a Telecom Service Provider
Authentication, authorization, and auditing application traffic
Configuring authentication, authorization, and auditing policies
Configuring Authentication, authorization, and auditing with commonly used protocols
Use an on-premises Citrix Gateway as the identity provider for Citrix Cloud
Troubleshoot authentication issues in Citrix ADC and Citrix Gateway with aaad.debug module
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Persistence and persistent connections
Advanced load balancing settings
Gradually stepping up the load on a new service with virtual server–level slow start
Protect applications on protected servers against traffic surges
Retrieve location details from user IP address using geolocation database
Use source IP address of the client when connecting to the server
Use client source IP address for backend communication in a v4-v6 load balancing configuration
Set a limit on number of requests per connection to the server
Configure automatic state transition based on percentage health of bound services
Use case 2: Configure rule based persistence based on a name-value pair in a TCP byte stream
Use case 3: Configure load balancing in direct server return mode
Use case 6: Configure load balancing in DSR mode for IPv6 networks by using the TOS field
Use case 7: Configure load balancing in DSR mode by using IP Over IP
Use case 10: Load balancing of intrusion detection system servers
Use case 11: Isolating network traffic using listen policies
Use case 12: Configure Citrix Virtual Desktops for load balancing
Use case 13: Configure Citrix Virtual Apps for load balancing
Use case 14: ShareFile wizard for load balancing Citrix ShareFile
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Authentication and authorization
SSH Key-based Authentication for Citrix ADC Administrators
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Configuring a CloudBridge Connector Tunnel between two Datacenters
Configuring CloudBridge Connector between Datacenter and AWS Cloud
Configuring a CloudBridge Connector Tunnel Between a Datacenter and Azure Cloud
Configuring CloudBridge Connector Tunnel between Datacenter and SoftLayer Enterprise Cloud
Configuring a CloudBridge Connector Tunnel Between a Citrix ADC Appliance and Cisco IOS Device
CloudBridge Connector Tunnel Diagnostics and Troubleshooting
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SSH Key-based authentication for Citrix ADC administrators
SSH key-based authentication is preferred over traditional username/password type authentication for the following reasons:
- Provides better cryptographic strength than user passwords.
- Eliminates the need of remembering complicated passwords and prevents shoulder-surfing attacks which are possible if passwords are used.
- Provides a password-less login for making automation scenarios more secured.
Citrix ADC supports SSH key-based authentication by using the public and private key concept. The SSH key-based authentication in Citrix ADC can be enabled either at a user-specific level for Citrix ADC local users or enabled for Citrix ADC local users in common.
Note
This is supported only for Citrix ADC local users and not supported for external users.
Configuring SSH key-based authentication for local system users
In a Citrix ADC appliance, an administrator can set up SSH key-based authentication for a secured system access. When a user logs into a Citrix ADC using a private key, the system authenticates using the public key configured on the appliance.
To configure SSH key-based authentication for Citrix ADC local system users by using the CLI
The following configuration helps you to configure key-based authentication for Citrix ADC local system users.
- Log on to a Citrix ADC appliance using administrator credentials.
- By default your
sshd_config
file accesses this path:AuthorizedKeysFile /nsconfig/ssh/authorized_keys. - Append the public key to the authorized_keys file:/nsconfig/ssh/authorized_keys. The file path for
sshd_config
is/etc/sshd_config
. - You must copy the
sshd_config
file into/nsconfig
to ensure that the changes persist even after restarting the appliance. - You can use the following command to restart your
sshd
process.
kill -HUP 'cat /var/run/sshd.pid'
Configuring user-specific SSH key-based authentication for local system users
In a Citrix ADC appliance, an administrator can now set up a user specific key-based authentication for a secured system access. The administrator must first configure theAuthorizedkeysfile
option in thesshd_config
文件和then add the public key in theauthorized_keys
file for a system user.
Note
If the authorized_keys file is not available for a user, the administrator must first create one and then add the public key to it.
To configure user-specific SSH key-based authentication by using the CLI
The following procedure helps you to configure user-specific SSH key-based authentication for Citrix ADC local system users.
- Log on to a Citrix ADC appliance using administrator credentials.
At the shell prompt, access the
sshd_config
file and add the following configuration line:AuthorizedKeysFile ~/.ssh/authorized_keys
- Change the directory to a system user folder and add the public keys in the
authorized_keys
file.
/var/pubkey/
Once you have completed the earlier steps, restart thesshd
process on your appliance.
kill -HUP 'cat /var/run/sshd.pid'
Note
If the
authorized_keys
file is not available, you must first create one and then add the public key.
> shell Copyright (c) 1992-2013 The FreeBSD Project. Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994 The Regents of the University of California. All rights reserved. root@ns# cd /var/pubkey// root@ns# ls .ssh root@ns# cd .ssh root@ns# vi authorized_keys ### Add public keys in authorized_keys file
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