How to configure Jive's Apache to log a specific header value

1. nano /usr/local/jive/etc/httpd/sites/default.conf
2. change the following line:
   1. from CustomLog "${LOG_DIR}/jive-httpd-access.log" common
   2. to CustomLog "${LOG_DIR}/jive-httpd-access.log" "%{HEADER}i"
3. restart httpd service
   1. su - jive
   2. jive restart httpd
4. tail the apache access log
   1. tail -200f /usr/local/jive/var/logs/jive-httpd-access.log
5. header value will be displayed on the logs once the request is triggered

For base64-encoded JSON header values you can use Free Online Base64 Encoder / Base64 Decoder Tool - Freeencoder.com to decode.