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Last pushed: a year ago
Short Description
A simple single-user SoftEther VPN server.
Full Description

A simple single-user SoftEther VPN server Docker image


Note: OpenVPN support is enabled on :latest image. STDOUT (docker log) format has changed as a result.

Setup

  • L2TP/IPSec PSK + OpenVPN
  • SecureNAT enabled
  • Perfect Forward Secrecy (DHE-RSA-AES256-SHA)
  • make'd from the official SoftEther VPN GitHub repo master (Note: they don't have any other branches or tags.)

docker run -d --cap-add NET_ADMIN -p 500:500/udp -p 4500:4500/udp -p 1701:1701/tcp -p 1194:1194/udp siomiz/softethervpn

Connectivity tested on Android + iOS devices. It seems Android devices do not require L2TP server to have port 1701/tcp open.

The above example will accept connections from both L2TP/IPSec and OpenVPN clients at the same time.

Mix and match published ports:

  • -p 500:500/udp -p 4500:4500/udp -p 1701:1701/tcp for L2TP/IPSec
  • -p 1194:1194/udp for OpenVPN.

Credentials

All optional:

  • -e PSK: Pre-Shared Key (PSK), if not set: "notasecret" (without quotes) by default.
  • -e USERNAME: if not set a random username ("user[nnnn]") is created.
  • -e PASSWORD: if not set a random weak password is created.

It only creates a single user account with the above credentials in DEFAULT hub.
See the docker log for username and password (unless -e PASSWORD is set), which would look like:

# ========================
# user6301
# 2329.2890.3101.2451.9875
# ========================

Dots (.) are part of the password. Password will not be logged if specified via -e PASSWORD; use docker inspect in case you need to see it.

Hub & server are locked down; they are given stronger random passwords which are not logged or displayed.

OpenVPN

docker run -d --cap-add NET_ADMIN -p 1194:1194/udp siomiz/softethervpn

The entire log can be saved and used as an .ovpn config file (change as needed).

Server CA certificate will be created automatically at runtime if it's not set. You can supply a self-signed 1024-bit RSA certificate/key pair created locally OR use the gencert script described below. Feed the keypair contents via -e CERT and -e KEY (use of --env-file is recommended). X.509 markers (like -----BEGIN CERTIFICATE-----) and any non-BASE64 character (incl. newline) can be omitted and will be ignored.

Examples (assuming bash; note the double-quotes " and backticks ` ):

  • -e CERT="`cat server.crt`" -e KEY="`cat server.key`"
  • -e CERT="MIIDp..b9xA=" -e KEY="MIIEv..x/A=="
  • --env-file /path/to/envlist

env-file template can be generated by:

docker run --rm siomiz/softethervpn gencert > /path/to/envlist

where CERT and KEY already filled in. Modify PSK/USERNAME/PASSWORD.

Certificate volumes support (like -v or --volumes-from) will be added at some point...

License

MIT License.

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Owner
saadany
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