Getting Started with Citrix ADC
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Optimize Citrix ADC VPX performance on VMware ESX, Linux KVM, and Citrix Hypervisors
Apply Citrix ADC VPX configurations at the first boot of the Citrix ADC appliance in cloud
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
部署一个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 a Citrix ADC VPX instance to use Azure accelerated networking
配置HA-INCnodes by using the Citrix high availability template with Azure ILB
配置HA-INCnodes by using the Citrix high availability template for internet-facing applications
Configure a high-availability setup with Azure external and internal load balancers simultaneously
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
Basic components of authentication, authorization, and auditing configuration
On-premises Citrix Gateway as an identity provider to Citrix Cloud
Authentication, authorization, and auditing configuration for commonly used protocols
Troubleshoot authentication and authorization related issues
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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 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
Use case 15: Configure layer 4 load balancing on the Citrix ADC appliance
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Authentication and authorization for System Users
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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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URL reputation score
The URL Categorization feature provides policy-based control to restrict blacklisted URLs. You can control access to websites based on URL category, reputation score, or URL category and reputation score. If network administrators monitor a user accessing highly risky websites, they can use a responder policy bound to the URL reputation score to block such risky websites.
Upon receiving an incoming URL request, the appliance retrieves the category and reputation score from the URL categorization database. Based on the reputation score returned by the database, the appliance assigns a reputation rating for websites. The value can range from 1 to 4, where 4 is the riskiest type of websites, as shown in the following table.
URL Reputation Rating | Reputation Comment |
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1 | Clean site |
2 | Unknown site |
3 | Potentially dangerous or affiliated to a dangerous site |
4 | Malicious site |
Use Case: Filtering by URL reputation score
Consider an enterprise organization with a network administrator monitoring user transactions and network bandwidth consumption. If malware can enter the network, the administrator must enhance the data security and control access to malicious and dangerous websites accessing the network. To protect the network against such threats, the administrator can configure the URL filtering feature to allow or deny access by URL reputation score.
For more information about monitoring outbound traffic and user activities on the network, seeAnalytics.
If an employee of the organization tries to access a social networking website, the ADC appliance receives a URL request. It queries the URL Categorization database to retrieve the URL category as social networking and a reputation score 3, which indicates a potentially dangerous website. The appliance then checks the security policy configured by the administrator, such as block access to sites with a reputation rating of 3 or more. It then applies the policy action to control access to the website.
To implement this feature, you must configure the URL reputation score and security threshold levels by using the SSL Forward Proxy wizard.
Configure reputation score by using the GUI
Citrix recommends that you use the SSL forward proxy wizard to configure the reputation score and security levels. Based on the configured threshold, you can select a policy action to allow, block, or redirect traffic.
- Navigate toSecurity>SSL Forward Proxy.
- In the details pane, clickSSL Forward Proxy Wizard.
- In the details page, specify the proxy server settings.
- ClickContinueto specify other settings such as SSL interception and identify management.
- ClickContinueto access theSecurity Configurationsection.
- In theSecurity Configurationsection, select theReputation Scorecheck box to control access based on URL reputation score.
- Select the security level and specify the reputation score threshold value:
- Greater than or equals to—Allow or block a website if the threshold value is greater than or equal to N, where N ranges from one to four.
- Less than or equals to— Allow or block a website if the threshold value is less than or equal to N, where N ranges from one to four.
- In between— Allow or block a website if the threshold value is between N1 and N2 and the range is from one to four.
- Select a responder action from the drop-down list.
- ClickContinueandClose.
The following image shows theSecurity Configurationsection on the SSL Forward Proxy wizard. Enable the URL Reputation Score option to configure the policy settings.
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