cURL Host Header: Set It With -H, --resolve or --connect-to

Mon, 25 Nov 2024 23:00:00 -0500

Setting the HTTP Host header with cURL is how you test a virtual host, a load balancer or a new server before you change DNS. This guide gives the exact commands for HTTP and HTTPS, explains why -H 'Host: ...' alone fails on HTTPS, and ends with a small hcurl shell helper so you never have to look the syntax up again.

Host Header on Support Tools

cURL Host Header: Set It With -H, --resolve or --connect-to