Force CURL to place request to a specific IP

Published: 2019-04-01 14:02:05 +0000
Categories: BASH,




Back when everything was plain HTTP, to place a request via a specific machine you'd just pass curl that machine in the URL and then set a Host header for whatever domain you wanted that machine to try and serve. With HTTPs, though, you may need the SNI name to also be correct (not just to avoid certificate errors, but because the server may change behaviour based on the SNI name)

This snippet details how to force curl to resolve a domain+port pair to a specific IP


curl -v https://[Domain Name]/ --resolve [Domain Name]:[Port]:[IP]

Usage Example

# Connect to using SNI name and place a request for the root domain of
curl -v --resolve


curl, SNI, resolve,

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