在 OPNsense 上安装 tun2socks 服务

# debug / info / warning / error / silent
loglevel: info

# URL format: [protocol://]host[:port]
# 这里填写到代理服务器的链接
# 配置透明网关可参考文章：https://rxclc.club/index.php/archives/18/
proxy: socks5://192.168.3.10:7891

# URL format: [driver://]name
# TUN 设备名称，避免使用 tun0
device: tun://proxytun2socks0

# Maximum transmission unit for each packet
mtu: 1500

# Timeout for each UDP session, default value: 60 seconds
udp-timeout: 120s

#!/bin/sh

# PROVIDE: tun2socks
# REQUIRE: LOGIN
# KEYWORD: shutdown

. /etc/rc.subr

name="tun2socks"
rcvar="tun2socks_enable"

load_rc_config $name

: ${tun2socks_enable:=no}
: ${tun2socks_config:="/usr/local/tun2socks/config.yaml"}

pidfile="/var/run/${name}.pid"
command="/usr/local/tun2socks/tun2socks"
command_args="-config ${tun2socks_config} > /dev/null 2>&1 & echo \$! > ${pidfile}"

start_cmd="${name}_start"

tun2socks_start()
{
    if [ ! -f ${tun2socks_config} ]; then
        echo "${tun2socks_config} not found."
        exit 1
    fi
    echo "Starting ${name}."
    /bin/sh -c "${command} ${command_args}"
}

run_rc_command "$1"

tun2socks_enable="YES"

[start]
command:/usr/local/etc/rc.d/tun2socks start
parameters:
type:script
message:starting tun2socks

[stop]
command:/usr/local/etc/rc.d/tun2socks stop
parameters:
type:script
message:stopping tun2socks

[restart]
command:/usr/local/etc/rc.d/tun2socks restart
parameters:
type:script
message:restarting tun2socks

[status]
command:/usr/local/etc/rc.d/tun2socks status; exit 0
parameters:
type:script_output
message:request tun2socks status

<?php

/*
 * Copyright (C) 2017 EURO-LOG AG
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
 * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
 * AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
 * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

/**
 * register service
 * @return array
 */
function tuntosocks_services()
{
    global $config;

    $services = array();
    $services[] = array(
        'description' => gettext('tun2socks gVisor TCP/IP stack'),
        'configd' => array(
            'restart' => array('tun2socks restart'),
            'start' => array('tun2socks start'),
            'stop' => array('tun2socks stop'),
        ),
        'name' => 'tun-socks',
        'pidfile' => '/var/run/tun2socks.pid'
    );
    return $services;
}

function tuntosocks_syslog()
{
    $logfacilities = array();
    $logfacilities['tun2socks'] = array(
        'facility' => array('tun2socks'),
    );
    return $logfacilities;
}

#!/bin/sh

# Start tun2socks service
/usr/local/etc/rc.d/tun2socks start