Hi,
Do you mean to restrict in-coming connection to specific IP Address(s) in SQL Server, if so you can have to set a firewall rule. AFAIK their is no such set of restriction available to SQL Server Configuration yet!!
Hemantgiri S. Goswami | MS SQL Server MVP
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"Humans don't have Caliber to PASS TIME , Time it self Pass or Fail Humans" - by Hemantgiri S. Goswami
http://hemantgirisgoswami.blogspot.com
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