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388 lines
11 KiB
Markdown
388 lines
11 KiB
Markdown
# Headers
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Adding Headers to the Request / Response
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{: .subtitle }
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The Headers middleware can manage the requests/responses headers.
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## Configuration Examples
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### Adding Headers to the Request and the Response
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Add the `X-Script-Name` header to the proxied request and the `X-Custom-Response-Header` to the response
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```yaml tab="Docker"
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labels:
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- "traefik.http.middlewares.testHeader.headers.customrequestheaders.X-Script-Name=test"
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- "traefik.http.middlewares.testHeader.headers.customresponseheaders.X-Custom-Response-Header=value"
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```
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```yaml tab="Kubernetes"
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apiVersion: traefik.containo.us/v1alpha1
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kind: Middleware
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metadata:
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name: testHeader
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spec:
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headers:
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customRequestHeaders:
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X-Script-Name: "test"
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customResponseHeaders:
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X-Custom-Response-Header: "value"
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```
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```json tab="Marathon"
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"labels": {
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"traefik.http.middlewares.testheader.headers.customrequestheaders.X-Script-Name": "test",
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"traefik.http.middlewares.testheader.headers.customresponseheaders.X-Custom-Response-Header": "value"
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}
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```
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```yaml tab="Rancher"
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labels:
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- "traefik.http.middlewares.testheader.headers.customrequestheaders.X-Script-Name=test"
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- "traefik.http.middlewares.testheader.headers.customresponseheaders.X-Custom-Response-Header=value"
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```
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```toml tab="File (TOML)"
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[http.middlewares]
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[http.middlewares.testHeader.headers]
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[http.middlewares.testHeader.headers.customRequestHeaders]
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X-Script-Name = "test"
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[http.middlewares.testHeader.headers.customResponseHeaders]
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X-Custom-Response-Header = "value"
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```
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```yaml tab="File (YAML)"
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http:
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middlewares:
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testHeader:
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headers:
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customRequestHeaders:
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X-Script-Name: "test"
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customResponseHeaders:
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X-Custom-Response-Header: "value"
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```
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### Adding and Removing Headers
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`X-Script-Name` header added to the proxied request, the `X-Custom-Request-Header` header removed from the request,
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and the `X-Custom-Response-Header` header removed from the response.
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Please note that it is not possible to remove headers through the use of labels (Docker, Rancher, Marathon, ...) for now.
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```yaml tab="Docker"
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labels:
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- "traefik.http.middlewares.testheader.headers.customrequestheaders.X-Script-Name=test"
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```
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```yaml tab="Kubernetes"
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apiVersion: traefik.containo.us/v1alpha1
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kind: Middleware
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metadata:
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name: testHeader
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spec:
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headers:
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customRequestHeaders:
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X-Script-Name: "test" # Adds
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X-Custom-Request-Header: "" # Removes
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customResponseHeaders:
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X-Custom-Response-Header: "" # Removes
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```
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```json tab="Marathon"
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"labels": {
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"traefik.http.middlewares.testheader.headers.customrequestheaders.X-Script-Name": "test",
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}
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```
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```yaml tab="Rancher"
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labels:
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- "traefik.http.middlewares.testheader.headers.customrequestheaders.X-Script-Name=test"
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```
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```toml tab="File (TOML)"
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[http.middlewares]
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[http.middlewares.testHeader.headers]
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[http.middlewares.testHeader.headers.customRequestHeaders]
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X-Script-Name = "test" # Adds
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X-Custom-Request-Header = "" # Removes
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[http.middlewares.testHeader.headers.customResponseHeaders]
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X-Custom-Response-Header = "" # Removes
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```
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```yaml tab="File (YAML)"
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http:
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middlewares:
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testHeader:
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headers:
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customRequestHeaders:
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X-Script-Name: "test" # Adds
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X-Custom-Request-Header: "" # Removes
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customResponseHeaders:
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X-Custom-Response-Header: "" # Removes
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```
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### Using Security Headers
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Security related headers (HSTS headers, SSL redirection, Browser XSS filter, etc) can be added and configured in a manner similar to the custom headers above.
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This functionality allows for some easy security features to quickly be set.
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```yaml tab="Docker"
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labels:
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- "traefik.http.middlewares.testHeader.headers.framedeny=true"
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- "traefik.http.middlewares.testHeader.headers.sslredirect=true"
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```
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```yaml tab="Kubernetes"
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apiVersion: traefik.containo.us/v1alpha1
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kind: Middleware
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metadata:
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name: testHeader
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spec:
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headers:
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frameDeny: "true"
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sslRedirect: "true"
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```
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```json tab="Marathon"
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"labels": {
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"traefik.http.middlewares.testheader.headers.framedeny": "true",
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"traefik.http.middlewares.testheader.headers.sslredirect": "true"
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}
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```
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```yaml tab="Rancher"
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labels:
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- "traefik.http.middlewares.testheader.headers.framedeny=true"
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- "traefik.http.middlewares.testheader.headers.sslredirect=true"
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```
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```toml tab="File (TOML)"
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[http.middlewares]
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[http.middlewares.testHeader.headers]
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frameDeny = true
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sslRedirect = true
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```
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```yaml tab="File (YAML)"
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http:
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middlewares:
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testHeader:
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headers:
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frameDeny: true
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sslRedirect: true
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```
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### CORS Headers
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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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```yaml tab="Docker"
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labels:
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- "traefik.http.middlewares.testheader.headers.accesscontrolallowmethods=GET,OPTIONS,PUT"
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- "traefik.http.middlewares.testheader.headers.accesscontrolalloworigin=origin-list-or-null"
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- "traefik.http.middlewares.testheader.headers.accesscontrolmaxage=100"
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- "traefik.http.middlewares.testheader.headers.addvaryheader=true"
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```
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```yaml tab="Kubernetes"
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apiVersion: traefik.containo.us/v1alpha1
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kind: Middleware
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metadata:
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name: testHeader
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spec:
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headers:
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accessControlAllowMethods:
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- "GET"
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- "OPTIONS"
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- "PUT"
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accessControlAllowOrigin: "origin-list-or-null"
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accessControlMaxAge: 100
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addVaryHeader: "true"
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```
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```json tab="Marathon"
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"labels": {
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"traefik.http.middlewares.testheader.headers.accesscontrolallowmethods": "GET,OPTIONS,PUT",
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"traefik.http.middlewares.testheader.headers.accesscontrolalloworigin": "origin-list-or-null",
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"traefik.http.middlewares.testheader.headers.accesscontrolmaxage": "100",
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"traefik.http.middlewares.testheader.headers.addvaryheader": "true"
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}
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```
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```yaml tab="Rancher"
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labels:
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- "traefik.http.middlewares.testheader.headers.accesscontrolallowmethods=GET,OPTIONS,PUT"
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- "traefik.http.middlewares.testheader.headers.accesscontrolalloworigin=origin-list-or-null"
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- "traefik.http.middlewares.testheader.headers.accesscontrolmaxage=100"
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- "traefik.http.middlewares.testheader.headers.addvaryheader=true"
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```
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```toml tab="File (TOML)"
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[http.middlewares]
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[http.middlewares.testHeader.headers]
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accessControlAllowMethods= ["GET", "OPTIONS", "PUT"]
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accessControlAllowOrigin = "origin-list-or-null"
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accessControlMaxAge = 100
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addVaryHeader = true
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```
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```yaml tab="File (YAML)"
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http:
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middlewares:
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testHeader:
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headers:
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accessControlAllowMethods:
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- GET
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- OPTIONS
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- PUT
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accessControlAllowOrigin: "origin-list-or-null"
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accessControlMaxAge: 100
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addVaryHeader: true
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```
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## Configuration Options
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### General
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!!! warning
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If the custom header name is the same as one header name of the request or response, it will be replaced.
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!!! note ""
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The detailed documentation for the security headers can be found in [unrolled/secure](https://github.com/unrolled/secure#available-options).
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### `customRequestHeaders`
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The `customRequestHeaders` option lists the Header names and values to apply to the request.
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### `customResponseHeaders`
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The `customResponseHeaders` option lists the Header names and values to apply to the response.
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### `accessControlAllowCredentials`
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The `accessControlAllowCredentials` indicates whether the request can include user credentials.
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### `accessControlAllowHeaders`
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The `accessControlAllowHeaders` indicates which header field names can be used as part of the request.
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### `accessControlAllowMethods`
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The `accessControlAllowMethods` indicates which methods can be used during requests.
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### `accessControlAllowOrigin`
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The `accessControlAllowOrigin` indicates whether a resource can be shared by returning different values.
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The three options for this value are:
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- `origin-list-or-null`
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- `*`
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- `null`
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### `accessControlExposeHeaders`
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The `accessControlExposeHeaders` indicates which headers are safe to expose to the api of a CORS API specification.
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### `accessControlMaxAge`
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The `accessControlMaxAge` indicates how long a preflight request can be cached.
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### `addVaryHeader`
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The `addVaryHeader` is used in conjunction with `accessControlAllowOrigin` to determine whether the vary header should be added or modified to demonstrate that server responses can differ beased on the value of the origin header.
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### `allowedHosts`
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The `allowedHosts` option lists fully qualified domain names that are allowed.
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### `hostsProxyHeaders`
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The `hostsProxyHeaders` option is a set of header keys that may hold a proxied hostname value for the request.
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### `sslRedirect`
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The `sslRedirect` is set to true, then only allow https requests.
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### `sslTemporaryRedirect`
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Set the `sslTemporaryRedirect` to `true` to force an SSL redirection using a 302 (instead of a 301).
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### `sslHost`
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The `sslHost` option is the host name that is used to redirect http requests to https.
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### `sslProxyHeaders`
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The `sslProxyHeaders` option is set of header keys with associated values that would indicate a valid https request.
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Useful when using other proxies with header like: `"X-Forwarded-Proto": "https"`.
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### `sslForceHost`
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Set `sslForceHost` to true and set SSLHost to forced requests to use `SSLHost` even the ones that are already using SSL.
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### `stsSeconds`
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The `stsSeconds` is the max-age of the Strict-Transport-Security header.
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If set to 0, would NOT include the header.
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### `stsIncludeSubdomains`
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The `stsIncludeSubdomains` is set to true, the `includeSubDomains` directive will be appended to the Strict-Transport-Security header.
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### `stsPreload`
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Set `stsPreload` to true to have the `preload` flag appended to the Strict-Transport-Security header.
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### `forceSTSHeader`
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Set `forceSTSHeader` to true, to add the STS header even when the connection is HTTP.
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### `frameDeny`
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Set `frameDeny` to true to add the `X-Frame-Options` header with the value of `DENY`.
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### `customFrameOptionsValue`
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The `customFrameOptionsValue` allows the `X-Frame-Options` header value to be set with a custom value.
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This overrides the FrameDeny option.
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### `contentTypeNosniff`
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Set `contentTypeNosniff` to true to add the `X-Content-Type-Options` header with the value `nosniff`.
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### `browserXssFilter`
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Set `browserXssFilter` to true to add the `X-XSS-Protection` header with the value `1; mode=block`.
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### `customBrowserXSSValue`
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The `customBrowserXssValue` option allows the `X-XSS-Protection` header value to be set with a custom value.
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This overrides the BrowserXssFilter option.
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### `contentSecurityPolicy`
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The `contentSecurityPolicy` option allows the `Content-Security-Policy` header value to be set with a custom value.
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### `publicKey`
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The `publicKey` implements HPKP to prevent MITM attacks with forged certificates.
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### `referrerPolicy`
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The `referrerPolicy` allows sites to control when browsers will pass the Referer header to other sites.
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### `featurePolicy`
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The `featurePolicy` allows sites to control browser features.
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### `isDevelopment`
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Set `isDevelopment` to true when developing.
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The AllowedHosts, SSL, and STS options can cause some unwanted effects.
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Usually testing happens on http, not https, and on localhost, not your production domain.
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If you would like your development environment to mimic production with complete Host blocking, SSL redirects, and STS headers, leave this as false.
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