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sharjeelaziz/curl-notes.md

Last active March 17, 2023 15:33
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cURL notes
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curl-notes.md

Without modifying system files, pin a request to an IP address:

curl http://www.example.com --resolve www.example.com:80:127.0.0.1 --resolve www.example.com:443:127.0.0.1

Trace and restrict a request to ipv4 or ipv6:

curl -I --ipv6 --trace-ascii - https://example.com

Test CORS

curl -I -X OPTIONS \                    
  -H "Origin: https://example.com" \
  -H 'Access-Control-Request-Method: GET' \
  "https://test.example.com/themes/us_flag_small.png"
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