DZone Snippets is a public source code repository. Easily build up your personal collection of code snippets, categorize them with tags / keywords, and share them with the world

Snippets Manager

Snippets has posted 5883 posts at DZone. View Full User Profile

Reverse SSH Tunnel

01.05.2009

| 4308 views |

        Create a Reverse SSH Tunnel back to you development application from a public facing server.

In config/tunnel.yml


development:
  public_host_username: SSH_USERNAME
  public_host_password: SSH_PASSWORD
  public_host: SSH_SERVER_HOST_NAME
  public_port: 8868
  local_port: 3000



In lib/tasks/tunnel.rake


namespace :tunnel do
  desc "Start a ssh tunnel"
  task :start => :environment do
    SSH_TUNNEL = YAML.load_file("#{RAILS_ROOT}/config/tunnel.yml")[RAILS_ENV]
    
    public_host_username = SSH_TUNNEL['public_host_username']
    public_host = SSH_TUNNEL['public_host']
    public_port = SSH_TUNNEL['public_port']
    
    local_port = SSH_TUNNEL['local_port']
    
    puts "Starting tunnel #{public_host}:#{public_port} \
          to 0.0.0.0:#{local_port}"
    
    exec "ssh -nNT -g -R *:#{public_port}:0.0.0.0:#{local_port} \
                           #{public_host_username}@#{public_host}"
  end
end

Tags: