We have some Rest webservices in external system which are available in intranet, which needs to be called from Salesforce. I would like to know what are the steps needed to call webservices from SF.
As per my understanding below are the steps to call.
- Webservices has to be switched from intranet to internet based.
- Salesforce server IP address needs to be whitelisted from Salesforce.
- Make Http callout from Salesforce to webservices.
Is my understanding is correct? Or have I missed a few steps?
I would also like to know if it is required to have CA Signed Certificate or Self Signed certificate to make it work.