-rwxr-xr-x 1 root root 30053267 May 4 2021 ngrok
NAME:
ngrok - tunnel local ports to public URLs and inspect traffic
DESCRIPTION:
ngrok exposes local networked services behinds NATs and firewalls to the
public internet over a secure tunnel. Share local websites, build/test
webhook consumers and self-host personal services.
Detailed help for each command is available with 'ngrok help <command>'.
Open http://localhost:4040 for ngrok's web interface to inspect traffic.
EXAMPLES:
ngrok http 80 # secure public URL for port 80 web server
ngrok http -subdomain=baz 8080 # port 8080 available at baz.ngrok.io
ngrok http foo.dev:80 # tunnel to host:port instead of localhost
ngrok http https://localhost # expose a local https server
ngrok tcp 22 # tunnel arbitrary TCP traffic to port 22
ngrok tls -hostname=foo.com 443 # TLS traffic for foo.com to port 443
ngrok start foo bar baz # start tunnels from the configuration file
VERSION:
2.3.40
AUTHOR:
inconshreveable - <alan@ngrok.com>
COMMANDS:
authtoken save authtoken to configuration file
credits prints author and licensing information
http start an HTTP tunnel
start start tunnels by name from the configuration file
tcp start a TCP tunnel
tls start a TLS tunnel
update update ngrok to the latest version
version print the version string
help Shows a list of commands or help for one command
We could have extracted ngrok into any directory e.g. default ~/Downloads/ngrok-stable-linux-amd64 but then we'd be able to run it as:
~/Downloads/ngrok-stable-linux-amd64$ ./ngrok
To start using ngrok we need to authenticate our local ngrok agent first. For this, we need to log in to our ngrok account and get authentication token first:
Let's authenticate ngrok agent now (with copy-pasted Authtoken):
Authtoken saved to configuration file: /home/bojan/.ngrok2/ngrok.yml
Authtoken can be reset any time in our ngrok account. We can check the current value by looking at this configuration file:
authtoken: 2pCTN...fwvjiUA2
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