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Getting Started with Citrix ADC
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Deploy a Citrix ADC VPX instance
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Apply Citrix ADC VPX configurations at the first boot of the Citrix ADC appliance in cloud
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Install a Citrix ADC VPX instance on Microsoft Hyper-V servers
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Install a Citrix ADC VPX instance on Linux-KVM platform
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Prerequisites for Installing Citrix ADC VPX Virtual Appliances on Linux-KVM Platform
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Provisioning the Citrix ADC Virtual Appliance by using OpenStack
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Provisioning the Citrix ADC Virtual Appliance by using the Virtual Machine Manager
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Configuring Citrix ADC Virtual Appliances to Use SR-IOV Network Interface
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Configuring Citrix ADC Virtual Appliances to use PCI Passthrough Network Interface
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Provisioning the Citrix ADC Virtual Appliance by using the virsh Program
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Provisioning the Citrix ADC Virtual Appliance with SR-IOV, on OpenStack
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Configuring a Citrix ADC VPX Instance on KVM to Use OVS DPDK-Based Host Interfaces
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Deploy a Citrix ADC VPX instance on AWS
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Deploy a VPX high-availability pair with elastic IP addresses across different AWS zones
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Deploy a VPX high-availability pair with private IP addresses across different AWS zones
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Configure a Citrix ADC VPX instance to use SR-IOV network interface
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Configure a Citrix ADC VPX instance to use Enhanced Networking with AWS ENA
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Deploy a Citrix ADC VPX instance on Microsoft Azure
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Network architecture for Citrix ADC VPX instances on Microsoft Azure
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Configure multiple IP addresses for a Citrix ADC VPX standalone instance
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Configure a high-availability setup with multiple IP addresses and NICs
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Configure a high-availability setup with multiple IP addresses and NICs by using PowerShell commands
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Configure a Citrix ADC VPX instance to use Azure accelerated networking
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Configure HA-INC nodes by using the Citrix high availability template with Azure ILB
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Configure address pools (IIP) for a Citrix Gateway appliance
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Upgrade and downgrade a Citrix ADC appliance
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Solutions for Telecom Service Providers
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Load Balance Control-Plane Traffic that is based on Diameter, SIP, and SMPP Protocols
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Provide Subscriber Load Distribution Using GSLB Across Core-Networks of a Telecom Service Provider
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Authentication, authorization, and auditing application traffic
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Basic components of authentication, authorization, and auditing configuration
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On-premises Citrix Gateway as an identity provider to Citrix Cloud
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Authentication, authorization, and auditing configuration for commonly used protocols
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Troubleshoot authentication and authorization related issues
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Persistence and persistent connections
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Advanced load balancing settings
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Gradually stepping up the load on a new service with virtual server–level slow start
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Protect applications on protected servers against traffic surges
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Retrieve location details from user IP address using geolocation database
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Use source IP address of the client when connecting to the server
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Use client source IP address for backend communication in a v4-v6 load balancing configuration
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Set a limit on number of requests per connection to the server
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Configure automatic state transition based on percentage health of bound services
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Use case 2: Configure rule based persistence based on a name-value pair in a TCP byte stream
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Use case 3: Configure load balancing in direct server return mode
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Use case 6: Configure load balancing in DSR mode for IPv6 networks by using the TOS field
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Use case 7: Configure load balancing in DSR mode by using IP Over IP
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Use case 10: Load balancing of intrusion detection system servers
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Use case 11: Isolating network traffic using listen policies
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Use case 14: ShareFile wizard for load balancing Citrix ShareFile
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Authentication and authorization for System Users
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Configuring a CloudBridge Connector Tunnel between two Datacenters
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Configuring CloudBridge Connector between Datacenter and AWS Cloud
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Configuring a CloudBridge Connector Tunnel Between a Datacenter and Azure Cloud
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Configuring CloudBridge Connector Tunnel between Datacenter and SoftLayer Enterprise Cloud
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Configuring a CloudBridge Connector Tunnel Between a Citrix ADC Appliance and Cisco IOS Device
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CloudBridge Connector Tunnel Diagnostics and Troubleshooting
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Synchronizing Configuration Files in a High Availability Setup
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Restricting High-Availability Synchronization Traffic to a VLAN
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Understanding the High Availability Health Check Computation
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Managing High Availability Heartbeat Messages on a Citrix ADC Appliance
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Remove and Replace a Citrix ADC in a High Availability Setup
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Configure SSL action to forward client traffic if a cipher is not supported on the ADC
Note: This feature is available in release 12.1 build 49.x and later.
In the client hello message, if you receive a cipher that is not supported on the ADC, you can configure an SSL action to forward the client traffic to a different virtual server. If you do not want SSL offload, configure this virtual server of type TCP or SSL_BRIDGE. There is no SSL offload on the ADC and that traffic is bypassed. For SSL offload, configure an SSL virtual server as the forward virtual server.
Perform the following steps:
- Add a load balancing virtual server of type SSL. Client traffic is received on this virtual server.
- Bind an SSL service to this virtual server.
- Add a load balancing virtual server of type TCP. Note: IP address or port number is not mandatory for the virtual server to which traffic is forwarded.
- Add a TCP service with port 443.
- Bind this service to the TCP virtual server created earlier.
- Add an SSL action specifying the TCP virtual server in the ‘forward’ parameter.
- Add an SSL policy specifying the preceding action if the specific cipher suite (identified by its hex code) is received in the client hello message.
- Bind this policy to the SSL virtual server.
- Save the configuration.
Configuration using the CLI
add service ssl-service 10.102.113.155 SSL 443
add ssl certkey sv -cert complete/server/server_rsa_2048.pem -key complete/server/server_rsa_2048.ky
add ssl certkey cacert -cert complete/CA/root_rsa_1024.pem -key complete/CA/root_rsa_1024.ky
add lb vserver v1 SSL 10.102.57.186 443
bind ssl vserver v1 -certkeyName sv
bind lb vserver v1 ssl-service
add lb vserver v2 TCP
add service tcp-service 10.102.113.150 TCP 443
bind lb vserver v2 tcp-service
add ssl action act1 -forward v2
add ssl policy pol2 -rule client.ssl.client_hello.ciphers.has_hexcode(0x002f) -action act1
bind ssl vserver v1 -policyName pol2 -type CLIENTHELLO_REQ -priority 1
sh ssl vserver v1
Advanced SSL configuration for VServer v1:
DH: DISABLED
DH Private-Key Exponent Size Limit: DISABLED Ephemeral RSA: ENABLED Refresh Count: 0
Session Reuse: ENABLED Timeout: 120 seconds
Cipher Redirect: DISABLED
SSLv2 Redirect: DISABLED
ClearText Port: 0
Client Auth: DISABLED
SSL Redirect: DISABLED
Non FIPS Ciphers: DISABLED
SNI: ENABLED
OCSP Stapling: DISABLED
HSTS: DISABLED
HSTS IncludeSubDomains: NO
HSTS Max-Age: 0
SSLv2: DISABLED SSLv3: ENABLED TLSv1.0: ENABLED TLSv1.1: ENABLED TLSv1.2: ENABLED TLSv1.3: DISABLED
Push Encryption Trigger: Always
Send Close-Notify: YES
Strict Sig-Digest Check: DISABLED
Zero RTT Early Data: DISABLED
DHE Key Exchange With PSK: NO
Tickets Per Authentication Context: 1
ECC Curve: P_256, P_384, P_224, P_521
1) CertKey Name: sv Server Certificate
Data policy
1) Policy Name: pol2 Priority: 1
1) Cipher Name: DEFAULT
Description: Default cipher list with encryption strength >= 128bit
Done
sh ssl policy pol2
Name: pol2
Rule: client.ssl.client_hello.ciphers.has_hexcode(0x002f)
Action: act1
UndefAction: Use Global
Hits: 0
Undef Hits: 0
Policy is bound to following entities
1) Bound to: CLIENTHELLO_REQ VSERVER v1
Priority: 1
Done
sh ssl action act1
1) Name: act1
Type: Data Insertion
Forward to: v2
Hits: 0
Undef Hits: 0
Action Reference Count: 1
Done
sh ssl vserver v2
Advanced SSL configuration for VServer v2:
DH: DISABLED
DH Private-Key Exponent Size Limit: DISABLED Ephemeral RSA: ENABLED Refresh Count: 0
Session Reuse: ENABLED Timeout: 120 seconds
Cipher Redirect: DISABLED
SSLv2 Redirect: DISABLED
ClearText Port: 0
Client Auth: DISABLED
SSL Redirect: DISABLED
Non FIPS Ciphers: DISABLED
SNI: DISABLED
OCSP Stapling: DISABLED
HSTS: DISABLED
HSTS IncludeSubDomains: NO
HSTS Max-Age: 0
SSLv2: DISABLED SSLv3: ENABLED TLSv1.0: ENABLED TLSv1.1: ENABLED TLSv1.2: ENABLED TLSv1.3: DISABLED
Push Encryption Trigger: Always
Send Close-Notify: YES
Strict Sig-Digest Check: DISABLED
Zero RTT Early Data: DISABLED
DHE Key Exchange With PSK: NO
Tickets Per Authentication Context: 1
ECC Curve: P_256, P_384, P_224, P_521
1) CertKey Name: sv Server Certificate
1) Cipher Name: DEFAULT
Description: Default cipher list with encryption strength >= 128bit
Configuration using the GUI
Create a TCP virtual server:
- Navigate to Traffic Management > Load Balancing > Virtual Servers.
- Create a TCP virtual server.
- Click in the Services and Service Groups section and add a TCP service or bind an existing service.
- Click Bind.
- Click Continue.
Create an SSL virtual server:
- Navigate to Traffic Management > Load Balancing > Virtual Servers.
- Create another SSL virtual server.
- Click in the Services and Service Groups section and add a new SSL service or bind an existing service.
- Click Bind.
- Click Continue.
- Click in the Certificate section and bind a server certificate.
- Click Continue.
- In Advanced settings, click SSL Policies.
- Click in the SSL Policy section to add or select an existing policy.
- In Policy Binding, click Add and specify a name for the policy.
- In Action, click Add.
- Specify a name for the SSL action. In Forward Action Virtual Server, select the TCP virtual server created earlier.
- Click Create.
- Specify CLIENT.SSL.CLIENT_HELLO.CIPHERS.HAS_HEXCODE(hex code of the unsupported cipher) in the expression.
- Click Done.
- In the policy, configure an expression to evaluate traffic for the unsupported cipher.
- Bind the action to the policy, and the policy to the SSL virtual server. Specify bind point CLIENTHELLO_REQ.
- Click Done.
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