My Magento (ver. 18.104.22.168) Website server having SSL install as well SHA256 with TLS1.2 then it is needed to install SUPEE-8167 patch or not.
Yes, You need to install SUPEE-8167 into your magento 22.214.171.124.
You can download patch from site,
Get your patch from above link,
Select SUPEE-8167 for CE 126.96.36.199-188.8.131.52 (0.01 MB) from dropdown and download patch,
After download patch, you can put your patch in root of your magento.
Run command using SSH,
Below file would be changed,
If answer helpful, click Kudo and Accept as solutions.
It will not chnage any other file rather than ipn.php right. So I will directly install this on live server with taking backup of only 1 file i.e. IPN.php. Correct?
Yes, Its only change Ipn.php file after applying patch.
Befoe apply patch you have to get backup of Ipn.php file,
You can directly apply patch on your server using FTP.
If issue solved, click Kudos and Accept as Solution.