How to log client IP when IIS is load balanced: the X-Forwarded-For Header (XFF)

Thanks Enamul_Khaleque  I will continue investigating. How can i do that? 

Thanks for your help! 

Regards 

daymar23 There is no option to log Date and Time in local timezone when using W3C format (The W3C Extended Log File Format is defined in the W3C Working Draft WD- logfile-960323 specification by Phillip M. Hallam-Baker and Brian Behlendorf. This document defines the Date and Time fields be always in GMT/UTC. This behavior is by design). There is no corresponding SERVER VARIABLE that you can add as a custom field. 

Enamul_Khaleque , yes if I use the iis or NCSA, they log with server time. But I need the W3C format for an analytical tool. 

Also I know that I can use a log parser, but I need the UTC and the Server Time in my log. 

Do you know how can I do that? Is in the IIS 10 a custom field like a Server Variable where I can registry the server time in the IIS Logs? 

Regards   

daymar23 Yes, the W3C format uses UTC instead of local time. If you use IIS or NCSA format, I believe it logs the local time but you lose the option of selecting fields. On the other hand, these UTC can easily be converted while viewing logs ( log parser can to that). Please check this link for the conversion.

Enamul_Khaleque  Yes, but the predefined Date - Time fields log with UTC time (https://docs.microsoft.com/en-us/windows/desktop/http/w3c-logging) but my server is in GMT-6, so the times are different. I need change the time in my logs from UTC to the Server time. 

Thanks and regards 

daymar23 Within the W3C format, there are predefined fields for date and time that you may check to get date+time info logged in the IIS log.

Hello Enamul_Khaleque ! 

Do you know if there is a custom Field Name to log the server Date/Time in the IIS log , without change the IIS Format from W3C to IIS? This because I need the W3C format. 

Thanks