github.com/mysteriumnetwork/node@v0.0.0-20240516044423-365054f76801/nat/interface.go (about)

     1  /*
     2   * Copyright (C) 2017 The "MysteriumNetwork/node" Authors.
     3   *
     4   * This program is free software: you can redistribute it and/or modify
     5   * it under the terms of the GNU General Public License as published by
     6   * the Free Software Foundation, either version 3 of the License, or
     7   * (at your option) any later version.
     8   *
     9   * This program is distributed in the hope that it will be useful,
    10   * but WITHOUT ANY WARRANTY; without even the implied warranty of
    11   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    12   * GNU General Public License for more details.
    13   *
    14   * You should have received a copy of the GNU General Public License
    15   * along with this program.  If not, see <http://www.gnu.org/licenses/>.
    16   */
    17  
    18  package nat
    19  
    20  import "net"
    21  
    22  // NATService routes internet traffic through provider and
    23  // sets up firewall rules for security
    24  type NATService interface {
    25  	Enable() error
    26  	Setup(opts Options) (rules []interface{}, err error)
    27  	Del(rules []interface{}) error
    28  	Disable() error
    29  }
    30  
    31  // Options params to setup firewall/NAT rules.
    32  type Options struct {
    33  	VPNNetwork    net.IPNet
    34  	ProviderExtIP net.IP
    35  	DNSIP         net.IP
    36  }