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Sudarsan Reddy d19da6767a TUN-7021: Fix proxy-dns not starting when cloudflared tunnel is run
This PR starts a separate server for proxy-dns if the configuration is
available. This fixes a problem on cloudflared not starting in proxy-dns
mode if the url flag (which isn't necessary for proxy-dns) is not
provided. Note: This is still being supported for legacy reasons and
since proxy-dns is not a tunnel and should not be part of the
cloudflared tunnel group of commands.
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cfio TUN-6035: Reduce buffer size when proxying data 2022-04-11 14:41:33 +00:00
cmd/cloudflared TUN-7021: Fix proxy-dns not starting when cloudflared tunnel is run 2022-12-20 11:26:27 +00:00
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config TUN-6994: Improve logging config file not found 2022-12-07 13:13:44 +00:00
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hello TUN-5164: Update README and clean up references to Argo Tunnel (using Cloudflare Tunnel instead) 2021-09-29 08:27:47 +00:00
ingress CUSTESC-23757: Fix a bug where a wildcard ingress rule would match an host without starting with a dot 2022-11-25 17:00:59 +00:00
ipaccess TUN-6016: Push local managed tunnels configuration to the edge 2022-05-06 15:43:24 +00:00
logger TUN-4067: Reformat code for consistent import order, grouping, and fix formatting. Added goimports target to the Makefile to make this easier in the future. 2021-03-24 10:53:29 -05:00
metrics TUN-6963: Refactor Metrics service setup 2022-11-22 11:35:48 +00:00
orchestration TUN-6813: Only proxy ICMP packets when warp-routing is enabled 2022-09-30 19:08:12 +01:00
overwatch AUTH-2169 make access login page more generic 2020-06-08 11:20:30 -05:00
packet ZTC-234: Replace ICMP funnels when ingress connection changes 2022-11-11 19:43:26 +00:00
proxy TUN-6806: Add ingress rule number to log when filtering due to middlware handler 2022-10-03 09:49:24 +00:00
quic TUN-7000: Reduce metric cardinality of closedConnections metric by removing error as tag 2022-12-07 11:09:16 +00:00
retry TUN-3863: Consolidate header handling logic in the connection package; move headers definitions from h2mux to packages that manage them; cleanup header conversions 2021-03-29 21:57:56 +00:00
signal TUN-1562: Refactor connectedSignal to be safe to close multiple times 2019-03-05 15:51:35 -06:00
socks Fix typos 2021-11-12 17:38:06 +02:00
ssh_server_tests Fix typos 2021-11-12 17:38:06 +02:00
sshgen CC-796: Remove dependency on unsupported version of go-oidc 2022-03-18 18:16:10 +00:00
supervisor TUN-6999: cloudflared should attempt other edge addresses before falling back on protocol 2022-12-14 13:17:21 +00:00
tlsconfig TUN-6780: Add support for certReload to also include support for client certificates 2022-09-20 08:18:59 +00:00
token TUN-6917: Bump go to 1.19.3 2022-11-07 09:19:19 -08:00
tracing TUN-6867: Clear spans right after they are serialized to avoid returning duplicate spans 2022-10-19 16:20:40 +01:00
tunneldns TUN-5675: Remove github.com/dgrijalva/jwt-go dependency by upgrading coredns version 2022-01-25 15:24:13 +00:00
tunnelrpc TUN-6917: Bump go to 1.19.3 2022-11-07 09:19:19 -08:00
tunnelstate TUN-6617: Dont fallback to http2 if QUIC conn was successful. 2022-08-12 08:40:03 +00:00
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watcher TUN-5551: Reintroduce FIPS compliance for linux amd64 now as separate binaries 2021-12-20 21:50:42 +00:00
websocket TUN-6035: Reduce buffer size when proxying data 2022-04-11 14:41:33 +00:00
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cfsetup.yaml TUN-6917: Bump go to 1.19.3 2022-11-07 09:19:19 -08:00
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README.md

Cloudflare Tunnel client

Contains the command-line client for Cloudflare Tunnel, a tunneling daemon that proxies traffic from the Cloudflare network to your origins. This daemon sits between Cloudflare network and your origin (e.g. a webserver). Cloudflare attracts client requests and sends them to you via this daemon, without requiring you to poke holes on your firewall --- your origin can remain as closed as possible. Extensive documentation can be found in the Cloudflare Tunnel section of the Cloudflare Docs. All usages related with proxying to your origins are available under cloudflared tunnel help.

You can also use cloudflared to access Tunnel origins (that are protected with cloudflared tunnel) for TCP traffic at Layer 4 (i.e., not HTTP/websocket), which is relevant for use cases such as SSH, RDP, etc. Such usages are available under cloudflared access help.

You can instead use WARP client to access private origins behind Tunnels for Layer 4 traffic without requiring cloudflared access commands on the client side.

Before you get started

Before you use Cloudflare Tunnel, you'll need to complete a few steps in the Cloudflare dashboard: you need to add a website to your Cloudflare account. Note that today it is possible to use Tunnel without a website (e.g. for private routing), but for legacy reasons this requirement is still necessary:

  1. Add a website to Cloudflare
  2. Change your domain nameservers to Cloudflare

Installing cloudflared

Downloads are available as standalone binaries, a Docker image, and Debian, RPM, and Homebrew packages. You can also find releases here on the cloudflared GitHub repository.

User documentation for Cloudflare Tunnel can be found at https://developers.cloudflare.com/cloudflare-one/connections/connect-apps

Creating Tunnels and routing traffic

Once installed, you can authenticate cloudflared into your Cloudflare account and begin creating Tunnels to serve traffic to your origins.

TryCloudflare

Want to test Cloudflare Tunnel before adding a website to Cloudflare? You can do so with TryCloudflare using the documentation available here.

Deprecated versions

Cloudflare currently supports versions of cloudflared 2020.5.1 and later. Breaking changes unrelated to feature availability may be introduced that will impact versions released prior to 2020.5.1. You can read more about upgrading cloudflared in our developer documentation.

Version(s) Deprecation status
2020.5.1 and later Supported
Versions prior to 2020.5.1 No longer supported