cloudflare tunnel guide

cloudflare_tunnel_guide.txt

## install tools

# doc at https://developers.cloudflare.com/cloudflare-one/connections/connect-apps/install-and-setup/installation


## no domain at cloudflare

# https://developers.cloudflare.com/cloudflare-one/connections/connect-apps/run-tunnel/trycloudflare


## has domain at cloudflare

# browser login cloudflare and enable "Zero Trust" , need add payment (card / paypal with $0)
# then tunnel doc at https://developers.cloudflare.com/cloudflare-one/connections/connect-apps/install-and-setup/tunnel-guide
> cloudflared tunnel login
# will open browser to link account , then create ~/.cloudflared folder & add auth key


## default tunnel config

# example domain name use `testme.example.org`
> cloudflared tunnel create testme.example.org
# will show UUID and create json at ~/.cloudflared , UUID like `2cd35e9c-2d7b-4ade-b140-92024e17390f`
# > cloudflared tunnel list                  # list all tunnels
# > cloudflared tunnel delete <name or uuid> # delete tunnel
# create default config file ~/.cloudflared/config.yaml
#==== BODY : ~/.cloudflared/config.yaml
url: http://localhost:8080
tunnel: 2cd35e9c-2d7b-4ade-b140-92024e17390f
credentials-file: /<HOME>/.cloudflared/2cd35e9c-2d7b-4ade-b140-92024e17390f.json
#====/BODY
# the `credentials-file` need full path , like `/root/.cloudflared/2cd35e9c-2d7b-4ade-b140-92024e17390f.json`
# then link tunnel to domain name
> cloudflared tunnel route dns testme.example.org testme.example.org
# then use tunnel , and keep the process , next time only need execute this
> cloudflared tunnel run


## custom tunnel config

# the default config name 'config' , you can add new config like
> cloudflared tunnel create testme2.example.org
# create custom config file ~/.cloudflared/testme2.yaml
> cloudflared tunnel route dns testme2.example.org testme2.example.org
> cloudflared tunnel run testme2