Preflight requests are not forwarded to services
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2 changed files with 3 additions and 1 deletions
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@ -201,6 +201,8 @@ http:
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CORS (Cross-Origin Resource Sharing) headers can be added and configured in a manner similar to the custom headers above.
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CORS (Cross-Origin Resource Sharing) headers can be added and configured in a manner similar to the custom headers above.
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This functionality allows for more advanced security features to quickly be set.
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This functionality allows for more advanced security features to quickly be set.
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If CORS headers are set, then the middleware does not pass preflight requests to any service,
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instead the response will be generated and sent back to the client directly.
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```yaml tab="Docker"
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```yaml tab="Docker"
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labels:
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labels:
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@ -22,7 +22,7 @@ find "${PATH_TO_SITE}" -type f -not -path "/app/site/theme/*" \
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--alt_ignore="/traefikproxy-vertical-logo-color.svg/" \
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--alt_ignore="/traefikproxy-vertical-logo-color.svg/" \
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--http_status_ignore="0,500,501,503" \
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--http_status_ignore="0,500,501,503" \
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--file_ignore="/404.html/" \
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--file_ignore="/404.html/" \
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--url_ignore="/https://groups.google.com/a/traefik.io/forum/#!forum/security/,/localhost:/,/127.0.0.1:/,/fonts.gstatic.com/,/.minikube/,/github.com\/traefik\/traefik\/*edit*/,/github.com\/traefik\/traefik/,/doc.traefik.io/,/github\.com\/golang\/oauth2\/blob\/36a7019397c4c86cf59eeab3bc0d188bac444277\/.+/,/www.akamai.com/,/pilot.traefik.io\/profile/,/traefik.io/,/doc.traefik.io\/traefik-mesh/,/www.mkdocs.org/,/squidfunk.github.io/,/ietf.org/,/www.namesilo.com/,/www.youtube.com/,/www.linode.com/,/www.alibabacloud.com/,/www.cloudxns.net/,/www.vultr.com/,/vscale.io/" \
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--url_ignore="/https://groups.google.com/a/traefik.io/forum/#!forum/security/,/localhost:/,/127.0.0.1:/,/fonts.gstatic.com/,/.minikube/,/github.com\/traefik\/traefik\/*edit*/,/github.com\/traefik\/traefik/,/doc.traefik.io/,/github\.com\/golang\/oauth2\/blob\/36a7019397c4c86cf59eeab3bc0d188bac444277\/.+/,/www.akamai.com/,/pilot.traefik.io\/profile/,/traefik.io/,/doc.traefik.io\/traefik-mesh/,/www.mkdocs.org/,/squidfunk.github.io/,/ietf.org/,/www.namesilo.com/,/www.youtube.com/,/www.linode.com/,/www.alibabacloud.com/,/www.cloudxns.net/,/www.vultr.com/,/vscale.io/,/hetzner.com/" \
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'{}' 1>/dev/null
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'{}' 1>/dev/null
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## HTML-proofer options at https://github.com/gjtorikian/html-proofer#configuration
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## HTML-proofer options at https://github.com/gjtorikian/html-proofer#configuration
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