Sending inbound Web Service requests to ServiceNow using IP address instead of HostName


Description

Sending inbound Web Service requests to ServiceNow using IP address instead of HostName.

Instance pairs ( Production/Sub-Production) hosted on the same data center may resolve to the same IP .

It is always recommended to send inbound web service call using the HostName of the ServiceNow instance

Instructions

To send using IP address add 'Host' header in the inbound Web Service request .

For example use below header in the REST call to route to the right server

Host: <instance_name>.service-now.com:443