In IIS10, I'm trying to log in file some custom fields like X-Client-Type etc.

So in Logging options on the WebSite I want to, I'm adding a custom field

name : XCT Source Type : Request header Source Name : X-Client-Type

But When I apply, no more log. If I delete logs are back.

I've tried a lot of thing :

• Configured Referer or User-Agent as Custom Field => No more log too
• installed Module to See Failed Request => Header X-Client-Type is in request log error when I generate a 400 but no IIS LOG.
• Set full permission for all user on log directory
• Try different Source Name No Space, No tiret, no Underscore, CAPS only but no more log

No error in Windows Events for IIS Logging

I don't know what to try now. I'm out of ideas.

Thanks to anyone who can help me.

[MRE]

1. create a website api

2. publish on IIS 10 with a name like yoursite

3. Enable log W3C on a directory

4. Call API with a route like GET yoursite/salaries

5. Check Log on the directory. It contains line for this call

6. Add Custom Fields in Logging settings, like name : XCT Source Type : Request header Source Name : X-Client-Type

7. Apply and reset the website

8. Call API with a route like GET yoursite/salaries with, in headers, X-Client-Type value : WHATEVER

9. Check the API , no line added.

[/MRE]

In IIS10, I'm trying to log in file some custom fields like X-Client-Type etc.

So in Logging options on the WebSite I want to, I'm adding a custom field

name : XCT Source Type : Request header Source Name : X-Client-Type

But When I apply, no more log. If I delete logs are back.

I've tried a lot of thing :

• Configured Referer or User-Agent as Custom Field => No more log too
• installed Module to See Failed Request => Header X-Client-Type is in request log error when I generate a 400 but no IIS LOG.
• Set full permission for all user on log directory
• Try different Source Name No Space, No tiret, no Underscore, CAPS only but no more log

No error in Windows Events for IIS Logging

I don't know what to try now. I'm out of ideas.

Thanks to anyone who can help me.

[MRE]

1. create a website api

2. publish on IIS 10 with a name like yoursite

3. Enable log W3C on a directory

4. Call API with a route like GET yoursite/salaries

5. Check Log on the directory. It contains line for this call

6. Add Custom Fields in Logging settings, like name : XCT Source Type : Request header Source Name : X-Client-Type

7. Apply and reset the website

8. Call API with a route like GET yoursite/salaries with, in headers, X-Client-Type value : WHATEVER

9. Check the API , no line added.

[/MRE]

• logging
• iis-10

Share Improve this question Follow asked Mar 13 at 9:10 Vincent BoyerVincent Boyer 111 bronze badge 1

• could you share the screenshot of the iis logging setting with the custom flied you have added – Jalpa Panchal Commented Mar 14 at 3:29

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1 Answer 1

Sorted by: Reset to default 0

You could follow below steps to add the custom flied in the iis logs:

1. Open iis manger
2. From the middle pane , select configuration editor

3. In the section select: system.applicationHost/sites
4. From collection select three dots

5. Select website for which you would like to add the custom field
6. From the properties Go to the LogFiles -> CustomFields
7. Add the field by clicking on three dots

8. Add your data as shown in the below image-> apply the changes

Visit your site hard refresh and wait for the files to get generated. You can see the new file exist with the _x name in the log folder