A libp2p based localhost tunneling application
Last updated a year ago by mkg20001 .
MIT · Repository · Bugs · Original npm · Tarball · package.json
$ cnpm install peertunnel 
SYNC missed versions from official npm registry.


Make your localhost public behind SSL/TLS!


The protocol is simple.

First the client connects to the server and the server checks if it's authorized. Then the client sends a request to open a tunnel. The tunnel is now open!

When a remote-client connects, the server simply forwards the connection to the remote client based on the TLS hostname.



First install and setup the peertunnel CLI

npm i -g peertunnel
peertunnel init

Then find a remote server and get authorized on it somehow

peertunnel servers add /address/of/server "some-server" # first server will be remembered as default, change using `peertunnel servers set-default "name"`

Now you can open tunnels

peertunnel tunnel 3000

You can even add a suffix to the generated url

peertunnel tunnel --suffix mysuffix 3000

Supported address types

  • A port. Example: 8080 (Host is always localhost)
  • An IPv4 address and port pair. Example:
  • An IPv6 address and port pair. Example: [::1]:8080
  • A hostname and port pair. Example: localhost:80
  • A TCP multiaddr. Example /ip4/



  • A server that is NOT running anything on port 443 (that means you can't use this server for hosting other websites and peertunnel at the same time)
  • A domain with wildcard DNS

First install peertunnel

npm i -g peertunnel

Now cd into the directory you want to store the config in and enter GENCONF=1 pt-server. This will generate a config.json for you.


  • id: This is the authentication key for the server. Leave it as-is.
  • storage: This is the storage directory for the db. Change it if you want to store the db somewhere else (directory will be created if it does not exist yet)
  • admins: This is an array with the peer-ids of all admins. You should add your own id here. (Get it with peertunnel id)
  • publicAddr: This is the address the server will listen on. You can likely leave it as-is.
  • zone: This is the domain peertunnel will use. You need to update the DNS entries accordingly (see DNS)


Your DNS-Provider MUST support Wildcard DNS. Set both the A and AAAA records of peertunnel-domain to the addresses of your server and then set a CNAME on *.peertunnel-domain to peertunnel-domain where peertunnel-domain is the domain you are using for peertunnel.


After that you can launch your server.

To do so simply cd into the directory you stored the config in and run pt-server

If you're using sentry you can simply define $SENTRY_DSN before launching and all errors should be reported automatically (Don't forget to report them here, too)


NOTE: For this step to work your server must be already running!

First install if not already installed:

$ curl | sh

Then get a wildcard cert for the domain

# IMPORTANT: Setup dns provider first, see for more details
$ --issue --dns dns_PROVIDER -d -d *

You now need to add the server to your current machine's peertunnel config and give the peer admin access if you haven't already.

Then install the cert on your server

$ --install-cert -d -d * --key-file /tmp/peertunnel.key.pem --fullchain-file /tmp/peertunnel.cert.pem --reloadcmd "peertunnel --server YOUR_SERVER admin cert-update /tmp/peertunnel.cert.pem /tmp/peertunnel.key.pem" will remember these settings and auto-update your cert. After the certificate setup your site should just work(TM).


  • [x] Make it work
    • [x] Server
    • [x] Client
      • [x] User CMDs
      • [x] Admin CMDs
  • [ ] Tests
  • [ ] Add bandwith quotas
  • [ ] Use DIDs for Auth
  • [ ] Use peer-star / orbitdb / other storage for a replicated p2p db
  • [ ] Add load-balancing

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