Ingress rules

Each incoming request received by cloudflared causes cloudflared to send a request to a local service.

To specify which local services a request should be proxied to, you can define ingress rules in the configuration file.

​​ Requirements

Configuration files that contain ingress rules must always include a catch-all rule that concludes the file.

In the following example, - service: http_status:404 serves as the catch-all rule for the file. The file also includes the Tunnel UUID, the path to the credentials file, and two ingress rules. Alternatively, the Tunnel UUID or name can be specified in the tunnel run command.

tunnel: 6ff42ae2-765d-4adf-8112-31c55c1551ef
credentials-file: /root/.cloudflared/6ff42ae2-765d-4adf-8112-31c55c1551ef.json

ingress:
  - hostname: gitlab.widgetcorp.tech
    service: http://localhost:80
  - hostname: gitlab-ssh.widgetcorp.tech
    service: ssh://localhost:22
  - service: http_status:404

​​ Matching traffic

When cloudflared receives an incoming request, it evaluates each ingress rule from top to bottom to find which rule matches the request. Rules can match either the hostname or path of an incoming request, or both.

If a rule does not specify a hostname, all hostnames will be matched. If a rule does not specify a path, all paths will be matched.

The last rule you list in the configuration file must be a catch-all rule that matches all traffic.

This is an example configuration file that specifies several rules:

tunnel: 6ff42ae2-765d-4adf-8112-31c55c1551ef
credentials-file: /root/.cloudflared/6ff42ae2-765d-4adf-8112-31c55c1551ef.json

ingress:
  # Rules map traffic from a hostname to a local service:
  - hostname: example.com
    service: https://localhost:8000
  # Rules can match the request's path to a regular expression:
  - hostname: static.example.com
    path: \.(jpg|png|css|js)$
    service: https://localhost:8001
  # Rules can match the request's hostname to a wildcard character:
  - hostname: '*.example.com'
    service: https://localhost:8002
  # An example of a catch-all rule:
  - service: https://localhost:8003

​​ Supported protocols

In addition to HTTP, cloudflared supports protocols like SSH, RDP, arbitrary TCP services, and Unix sockets. See a list of supported protocols.

You can also route traffic to the built-in Hello World test server. This is useful when you need to test your Cloudflare Tunnel protocol.

tunnel: 6ff42ae2-765d-4adf-8112-31c55c1551ef
credentials-file: /root/.cloudflared/6ff42ae2-765d-4adf-8112-31c55c1551ef.json

ingress:
  # Example of a request over TCP:
  - hostname: example.com
    service: tcp://localhost:8000
  # Example of an HTTP request over a Unix socket:
  - hostname: staging.example.com
    service: unix:/home/production/echo.sock
  # Example of a request mapping to the Hello World test server:
  - hostname: test.example.com
    service: hello_world
  # Example of a rule responding to traffic with an HTTP status:
  - service: http_status:404

With the catch-all rule, you can set cloudflared to respond to traffic with an HTTP status.

​​ Origin configuration

If you need to proxy traffic to multiple origins within one instance of cloudflared, you can define the way cloudflared sends requests to each service by specifying configuration options as part of your ingress rules.

In the following example, the top-level configuration connectTimeout: 30s sets a 30-second connection timeout for all services within that instance of cloudflared. The ingress rule for service: localhost:8002 then configures an exception to the top-level configuration by setting connectTimeout for that service at 10s. The 30-second connection timeout still applies to all other services.

tunnel: 6ff42ae2-765d-4adf-8112-31c55c1551ef
credentials-file: /root/.cloudflared/6ff42ae2-765d-4adf-8112-31c55c1551ef.json
originRequest: # Top-level configuration
  connectTimeout: 30s

ingress:
  # This service inherits all configuration from the root-level config, i.e.
  # it will use a connectTimeout of 30 seconds.
  - hostname: example.com
    service: localhost:8000
  - hostname: example2.com
    service: localhost:8001
  # This service overrides some root-level config.
  - service: localhost:8002
    originRequest:
      connectTimeout: 10s
      disableChunkedEncoding: true
  # Some built-in services (like `http_status`) don't use any config. So, this
  # rule will inherit all the config, but won't actually use it (because it just
  # responds with HTTP 404).
  - service: http_status:404

To set both top-level configurations and origin-specific configurations, you can use the following properties within originRequest rules:

• connectTimeout
• tlsTimeout
• tcpKeepAlive
• noHappyEyeballs
• keepAliveConnections
• keepAliveTimeout
• httpHostHeader
• originServerName
• caPool
• noTLSVerify
• disableChunkedEncoding
• proxyAddress
• proxyPort
• proxyType

​​ connectTimeout

Default: 30s

Timeout for establishing a new TCP connection to your origin server. This excludes the time taken to establish TLS, which is controlled by tlsTimeout.

​​ tlsTimeout

Default: 10s

Timeout for completing a TLS handshake to your origin server, if you have chosen to connect Tunnel to an HTTPS server.

​​ tcpKeepAlive

Default: 30s

The timeout after which a TCP keepalive packet is sent on a connection between Tunnel and the origin server.

​​ noHappyEyeballs

Default: false

Disable the “happy eyeballs” algorithm for IPv4/IPv6 fallback if your local network has misconfigured one of the protocols.

​​ keepAliveConnections

Default: 100

Maximum number of idle keepalive connections between Tunnel and your origin. This does not restrict the total number of concurrent connections.

​​ keepAliveTimeout

Default: 1m30s

Timeout after which an idle keepalive connection can be discarded.

​​ httpHostHeader

Default: ""

Sets the HTTP Host header on requests sent to the local service.

​​ originServerName

Default: ""

Hostname that cloudflared should expect from your origin server certificate.

​​ caPool

Default: ""

Path to the certificate authority (CA) for the certificate of your origin. This option should be used only if your certificate is not signed by Cloudflare.

​​ noTLSVerify

Default: false

Disables TLS verification of the certificate presented by your origin. Will allow any certificate from the origin to be accepted.

​​ disableChunkedEncoding

Default: false

Disables chunked transfer encoding. Useful if you are running a Web Server Gateway Interface (WSGI) server.

​​ proxyAddress

Default: 127.0.0.1

cloudflared starts a proxy server to translate HTTP traffic into TCP when proxying, for example, SSH or RDP. This configures the listen address for that proxy.

​​ proxyPort

Default: 0

cloudflared starts a proxy server to translate HTTP traffic into TCP when proxying, for example, SSH or RDP. This configures the listen port for that proxy. If set to zero, an unused port will randomly be chosen.

​​ proxyType

Default: ""

cloudflared starts a proxy server to translate HTTP traffic into TCP when proxying, for example, SSH or RDP. This configures what type of proxy will be started. Valid options are:

• "" for the regular proxy
• "socks" for a SOCKS5 proxy. Refer to the tutorial on connecting through Cloudflare Access using kubectl for more information.

​​ Validating your configuration

To validate the ingress rules in your configuration file, run:

$ cloudflared tunnel ingress validate

This will ensure that the set of ingress rules specified in your config file is valid.

​​ Testing your configuration

To verify that cloudflared will proxy the right traffic to the right local service, use cloudflared tunnel ingress rule. This checks a URL against every rule, from first to last, and shows the first rule that matches. For example:

$ cloudflared tunnel ingress rule https://foo.example.com
Using rules from /usr/local/etc/cloudflared/config.yml
Matched rule #3
	hostname: *.example.com
	service: https://localhost:8000