How to add x-Forwarded-For header in NetScaler?

Enabling X-Forwarded-For

Table of Contents

From the [ Configuration ] menu, move to [ Traffic Management ] → [ Services ]. Select the configured Service (www1) and click [ Edit ]. As [ Insert Client IP Address ] is set to NO, click the right button on the [ Settings ] item to open the Edit screen of contents of the setting.

How do you add X forwarded to a header?

X-Forwarded-For Header Insertion

Navigate to Template > HTTP Application Profile.
Within the General tab, select the X-Forwarded-For check box. Note: Optionally the header can be renamed using the XFF Alternate Name field.
When finished changing the profile, click Save.

What is USIP in NetScaler?

Use Source IP (USIP): When enabled, NetScaler preserves the original client IP as visible to it while forwarding traffic to the Servers. As simple as that is, there are network implications to consider in order to avoid dropped packets.

How do I enable X-forwarded-for IIS?

Add X-Forwarded-For column in IIS 8.5 and newer versions

Open IIS Manager.
On server, site or application level, double click “Logging”
Click “Select Fields“
In “W3C Logging Fields” window, click “Add Field“
In the “Add Custom Field” window, fill out the following fields.
Click “OK” in both open windows.

What does the insert X forwarded option in an HTTP profile do?

If the Insert X-Forwarded-For setting is enabled in the HTTP profile, the BIG-IP system inserts an additional X-Forwarded-For header into the request before sending the request to the pool member: X-Forwarded-For: 172.16. 16.25. X-Forwarded-For: 172.16.

How Citrix load balancing works?

In a basic load balancing setup, clients send their requests to the IP address of a virtual server configured on the Citrix ADC appliance. The virtual server distributes them to the load-balanced application servers according to a preset pattern, called the load balancing algorithm.

What is remote address in header?

REMOTE_HOST pertains to the hostname of the client (i.e. the computer making the request). REMOTE_ADDR refers to the IP address of the client. There would be times when the hostname is unresolvable so the REMOTE_HOST will return the REMOTE_ADDR or the IP address instead. Follow this answer to receive notifications.

What is request ServerVariables Http_x_forwarded_for?

ServerVariables HTTP_X_FORWARDED_FOR is NULL when it is used to fetch the IP Address in ASP.Net using C# and VB.Net.

What is source IP persistence?

When source IP persistence is configured, the load balancing virtual server uses the configured load balancing method to select a service for the initial request, and then uses the source IP address (client IP address) to identify subsequent requests from that client and send them to the same service.

How do I find my client IP address in Citrix?

Instructions

Log in to the NetScaler appliance using nsroot credentials.
Select Configuration > System > Network > TCP/IP connections link.
Select the Client Server Link Mapping option and click Continue.
The Client and Server IP addresses are displayed in the Client-Server Connections table.

What is Http_x_forwarded_for?

HTTP_X_FORWARDED_FOR is often used to detect the client IP address, but without any additional checks, this can lead to security issues, especially when this IP is later used for authentication or in SQL queries without sanitization.

How do I enable debug logging in IIS?

How do I turn on IIS logging?

Go to your start menu and find “Command Prompt”. Right click and run as administrator.
Navigate to %SYSTEMROOT%\System32\inetsrv (e.g. “cd %SYSTEMROOT%\System32\inetsrv”)
Enter “appcmd set config /section:httpLogging /dontLog:False”
Logging is now enabled!

What are headers in HTTP requests?

An HTTP header is a field of an HTTP request or response that passes additional context and metadata about the request or response. For example, a request message can use headers to indicate it’s preferred media formats, while a response can use header to indicate the media format of the returned body.

Is a NetScaler a load balancer?

In large, Unified Intelligence Center deployments, the Citrix NetScaler 1000v (Load Balancer) is used to load balance Unified Intelligence Center HTTP and HTTPS traffic. On the Citrix NetScaler 1000v screen, configure the settings and upload the license.

What are different types of load balancers?

Elastic Load Balancing supports the following types of load balancers: Application Load Balancers, Network Load Balancers, and Classic Load Balancers.

How many IP addresses are in the header of an IP packet?

A diagram of an IP packet. The header is 24 bytes long and contains 15 fields, including 4 bytes for source IP address and 4 bytes for destination IP address.

What is local address and remote address?

In general, Local Address is the IP Address/hostname of the network interface on which the connection is made. Remote address is the IP Address/hostname of the remote computer to which the connection is connected.

What is request ServerVariables?

The ServerVariables collection retrieves the values of predetermined environment variables and request header information. Server variables obtain most of their information from headers. It is wise to not trust the data that is contained in headers, as this information can be falsified by malicious users.

What is request ServerVariables Http_referer?

Firstly, Request. ServerVariables[“HTTP_REFERER”] is a correct way to retrieve the information about the url of the client’s previous request that linked to the current page.

What is persistence in NetScaler?

With persistence configured, enabling the NetScaler to send any subsequent client requests to the selected server, the server can access state information for that client. If persistence is configured, it overrides the load balancing methods once the server has been selected.

How many persistence methods are available?

There are two types of persistence: object persistence and process persistence.

How do I find my NetScaler IP address?

NetScaler GUI

Log in to the NetScaler appliance using nsroot credentials.
Select Configuration > System > Network > TCP/IP connections link.
Select the Client Server Link Mapping option and click Continue.
The Client and Server IP addresses are displayed in the Client-Server Connections table.

How do I check Citrix connection?

The Citrix Gateway is added to the table on the Citrix Gateway Connectivity Checks page. Select the Citrix Gateway server and then click Test Connectivity. The results appear in a test results table. Select a server in the test results table to see detailed results for that server.

Is Http_x_forwarded_for reliable?

These cannot be trusted, a user can send whatever he wants. The only exception is the actual apparent client IP, which is much harder to forge, but only gives you the last hop (the last proxy, or the last nat server).

What is the difference between W3SVC1 and W3SVC2?

The w3svcX number lines up to the website id. For example, the Default Web Site is usually ID 1, so the log directory would be W3SVC1. The second website will be ID 2 (W3SVC2) and so forth.

How to add x-Forwarded-For header in NetScaler?