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	diff --git a/interface-definitions/vpn_sstp.xml.in b/interface-definitions/vpn_sstp.xml.in
	index d5e23fe40..3d28878bc 100644
	--- a/interface-definitions/vpn_sstp.xml.in
	+++ b/interface-definitions/vpn_sstp.xml.in
	@@ -1,103 +1,103 @@
	<?xml version="1.0"?>
	<interfaceDefinition>
	<node name="vpn">
	<children>
	<node name="sstp" owner="${vyos_conf_scripts_dir}/vpn_sstp.py">
	<properties>
	<help>Secure Socket Tunneling Protocol (SSTP) server</help>
	<priority>901</priority>
	</properties>
	<children>
	<node name="authentication">
	<properties>
	<help>Authentication for remote access SSTP Server</help>
	</properties>
	<children>
	#include <include/accel-auth-local-users.xml.i>
	#include <include/accel-auth-mode.xml.i>
	#include <include/accel-auth-protocols.xml.i>
	#include <include/radius-server.xml.i>
	#include <include/accel-radius-additions.xml.i>
	<node name="radius">
	<children>
	#include <include/accel-radius-additions-rate-limit.xml.i>
	</children>
	</node>
	</children>
	</node>
	+ #include <include/accel-name-server.xml.i>
	<node name="network-settings">
	<properties>
	<help>Network settings</help>
	</properties>
	<children>
	<node name="client-ip-settings">
	<properties>
	<help>Client IP pools and gateway setting</help>
	</properties>
	<children>
	#include <include/accel-client-subnet.xml.i>
	#include <include/accel-gateway-address.xml.i>
	</children>
	</node>
	#include <include/accel-client-ipv6-pool.xml.i>
	- #include <include/accel-name-server.xml.i>
	#include <include/interface-mtu-68-1500.xml.i>
	</children>
	</node>
	<node name="ppp-options">
	<properties>
	<help>PPP (Point-to-Point Protocol) settings</help>
	</properties>
	<children>
	#include <include/accel-ppp-mppe.xml.i>
	#include <include/accel-lcp-echo-interval-failure.xml.i>
	#include <include/accel-lcp-echo-timeout.xml.i>
	</children>
	</node>
	<node name="ssl">
	<properties>
	<help>SSL Certificate, SSL Key and CA (/config/user-data/sstp)</help>
	</properties>
	<children>
	<leafNode name="ca-cert-file">
	<properties>
	<help>Certificate Authority certificate</help>
	<valueHelp>
	<format>file</format>
	<description>File in /config/auth directory</description>
	</valueHelp>
	<constraint>
	<validator name="file-exists" argument="--directory /config/auth"/>
	</constraint>
	</properties>
	</leafNode>
	<leafNode name="cert-file">
	<properties>
	<help>Server Certificate</help>
	<completionHelp>
	<script>ls /config</script>
	</completionHelp>
	<constraint>
	<validator name="file-exists" argument="--directory /config/auth"/>
	</constraint>
	</properties>
	</leafNode>
	<leafNode name="key-file">
	<properties>
	<help>Privat Key of the Server Certificate</help>
	<valueHelp>
	<format>file</format>
	<description>File in /config/auth directory</description>
	</valueHelp>
	<constraint>
	<validator name="file-exists" argument="--directory /config/auth"/>
	</constraint>
	</properties>
	</leafNode>
	</children>
	</node>
	</children>
	</node>
	</children>
	</node>
	</interfaceDefinition>
	diff --git a/src/conf_mode/vpn_sstp.py b/src/conf_mode/vpn_sstp.py
	index 5d928a945..30972f60d 100755
	--- a/src/conf_mode/vpn_sstp.py
	+++ b/src/conf_mode/vpn_sstp.py
	@@ -1,390 +1,393 @@
	#!/usr/bin/env python3
	#
	# Copyright (C) 2018-2020 VyOS maintainers and contributors
	#
	# This program is free software; you can redistribute it and/or modify
	# it under the terms of the GNU General Public License version 2 or later as
	# published by the Free Software Foundation.
	#
	# This program is distributed in the hope that it will be useful,
	# but WITHOUT ANY WARRANTY; without even the implied warranty of
	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	# GNU General Public License for more details.
	#
	# You should have received a copy of the GNU General Public License
	# along with this program. If not, see <http://www.gnu.org/licenses/>.

	import os

	from time import sleep
	from sys import exit
	from copy import deepcopy
	from stat import S_IRUSR, S_IWUSR, S_IRGRP

	from vyos.config import Config
	from vyos.template import render
	from vyos.util import call, run, get_half_cpus
	from vyos.validate import is_ipv4
	from vyos import ConfigError

	from vyos import airbag
	airbag.enable()

	sstp_conf = '/run/accel-pppd/sstp.conf'
	sstp_chap_secrets = '/run/accel-pppd/sstp.chap-secrets'

	default_config_data = {
	'local_users' : [],
	'auth_mode' : 'local',
	'auth_proto' : ['auth_mschap_v2'],
	'chap_secrets_file': sstp_chap_secrets, # used in Jinja2 template
	'client_ip_pool' : [],
	'client_ipv6_pool': [],
	'client_ipv6_delegate_prefix': [],
	'client_gateway': '',
	'dnsv4' : [],
	'dnsv6' : [],
	'radius_server' : [],
	'radius_acct_tmo' : '3',
	'radius_max_try' : '3',
	'radius_timeout' : '3',
	'radius_nas_id' : '',
	'radius_nas_ip' : '',
	'radius_source_address' : '',
	'radius_shaper_attr' : '',
	'radius_shaper_vendor': '',
	'radius_dynamic_author' : '',
	'ssl_ca' : '',
	'ssl_cert' : '',
	'ssl_key' : '',
	'mtu' : '',
	'ppp_mppe' : 'prefer',
	'ppp_echo_failure' : '',
	'ppp_echo_interval' : '',
	'ppp_echo_timeout' : '',
	'thread_cnt' : get_half_cpus()
	}

	def get_config(config=None):
	sstp = deepcopy(default_config_data)
	base_path = ['vpn', 'sstp']
	if config:
	conf = config
	else:
	conf = Config()
	if not conf.exists(base_path):
	return None

	conf.set_level(base_path)

	if conf.exists(['authentication', 'mode']):
	sstp['auth_mode'] = conf.return_value(['authentication', 'mode'])

	#
	# local auth
	if conf.exists(['authentication', 'local-users']):
	for username in conf.list_nodes(['authentication', 'local-users', 'username']):
	user = {
	'name' : username,
	'password' : '',
	'state' : 'enabled',
	'ip' : '*',
	'upload' : None,
	'download' : None
	}

	conf.set_level(base_path + ['authentication', 'local-users', 'username', username])

	if conf.exists(['password']):
	user['password'] = conf.return_value(['password'])

	if conf.exists(['disable']):
	user['state'] = 'disable'

	if conf.exists(['static-ip']):
	user['ip'] = conf.return_value(['static-ip'])

	if conf.exists(['rate-limit', 'download']):
	user['download'] = conf.return_value(['rate-limit', 'download'])

	if conf.exists(['rate-limit', 'upload']):
	user['upload'] = conf.return_value(['rate-limit', 'upload'])

	sstp['local_users'].append(user)

	#
	# RADIUS auth and settings
	conf.set_level(base_path + ['authentication', 'radius'])
	if conf.exists(['server']):
	for server in conf.list_nodes(['server']):
	radius = {
	'server' : server,
	'key' : '',
	'fail_time' : 0,
	'port' : '1812',
	'acct_port' : '1813'
	}

	conf.set_level(base_path + ['authentication', 'radius', 'server', server])

	if conf.exists(['fail-time']):
	radius['fail_time'] = conf.return_value(['fail-time'])

	if conf.exists(['port']):
	radius['port'] = conf.return_value(['port'])

	if conf.exists(['acct-port']):
	radius['acct_port'] = conf.return_value(['acct-port'])

	if conf.exists(['key']):
	radius['key'] = conf.return_value(['key'])

	if not conf.exists(['disable']):
	sstp['radius_server'].append(radius)

	#
	# advanced radius-setting
	conf.set_level(base_path + ['authentication', 'radius'])

	if conf.exists(['acct-timeout']):
	sstp['radius_acct_tmo'] = conf.return_value(['acct-timeout'])

	if conf.exists(['max-try']):
	sstp['radius_max_try'] = conf.return_value(['max-try'])

	if conf.exists(['timeout']):
	sstp['radius_timeout'] = conf.return_value(['timeout'])

	if conf.exists(['nas-identifier']):
	sstp['radius_nas_id'] = conf.return_value(['nas-identifier'])

	if conf.exists(['nas-ip-address']):
	sstp['radius_nas_ip'] = conf.return_value(['nas-ip-address'])

	if conf.exists(['source-address']):
	sstp['radius_source_address'] = conf.return_value(['source-address'])

	# Dynamic Authorization Extensions (DOA)/Change Of Authentication (COA)
	if conf.exists(['dynamic-author']):
	dae = {
	'port' : '',
	'server' : '',
	'key' : ''
	}

	if conf.exists(['dynamic-author', 'server']):
	dae['server'] = conf.return_value(['dynamic-author', 'server'])

	if conf.exists(['dynamic-author', 'port']):
	dae['port'] = conf.return_value(['dynamic-author', 'port'])

	if conf.exists(['dynamic-author', 'key']):
	dae['key'] = conf.return_value(['dynamic-author', 'key'])

	sstp['radius_dynamic_author'] = dae

	if conf.exists(['rate-limit', 'enable']):
	sstp['radius_shaper_attr'] = 'Filter-Id'
	c_attr = ['rate-limit', 'enable', 'attribute']
	if conf.exists(c_attr):
	sstp['radius_shaper_attr'] = conf.return_value(c_attr)

	c_vendor = ['rate-limit', 'enable', 'vendor']
	if conf.exists(c_vendor):
	sstp['radius_shaper_vendor'] = conf.return_value(c_vendor)

	#
	# authentication protocols
	conf.set_level(base_path + ['authentication'])
	if conf.exists(['protocols']):
	# clear default list content, now populate with actual CLI values
	sstp['auth_proto'] = []
	auth_mods = {
	'pap': 'auth_pap',
	'chap': 'auth_chap_md5',
	'mschap': 'auth_mschap_v1',
	'mschap-v2': 'auth_mschap_v2'
	}

	for proto in conf.return_values(['protocols']):
	sstp['auth_proto'].append(auth_mods[proto])

	#
	# read in SSL certs
	conf.set_level(base_path + ['ssl'])
	if conf.exists(['ca-cert-file']):
	sstp['ssl_ca'] = conf.return_value(['ca-cert-file'])

	if conf.exists(['cert-file']):
	sstp['ssl_cert'] = conf.return_value(['cert-file'])

	if conf.exists(['key-file']):
	sstp['ssl_key'] = conf.return_value(['key-file'])


	#
	# read in client IPv4 pool
	conf.set_level(base_path + ['network-settings', 'client-ip-settings'])
	if conf.exists(['subnet']):
	sstp['client_ip_pool'] = conf.return_values(['subnet'])

	if conf.exists(['gateway-address']):
	sstp['client_gateway'] = conf.return_value(['gateway-address'])

	#
	# read in client IPv6 pool
	conf.set_level(base_path + ['network-settings', 'client-ipv6-pool'])
	if conf.exists(['prefix']):
	for prefix in conf.list_nodes(['prefix']):
	tmp = {
	'prefix': prefix,
	'mask': '64'
	}

	if conf.exists(['prefix', prefix, 'mask']):
	tmp['mask'] = conf.return_value(['prefix', prefix, 'mask'])

	sstp['client_ipv6_pool'].append(tmp)

	if conf.exists(['delegate']):
	for prefix in conf.list_nodes(['delegate']):
	tmp = {
	'prefix': prefix,
	'mask': ''
	}

	if conf.exists(['delegate', prefix, 'delegation-prefix']):
	tmp['mask'] = conf.return_value(['delegate', prefix, 'delegation-prefix'])

	sstp['client_ipv6_delegate_prefix'].append(tmp)

	#
	# read in network settings
	- conf.set_level(base_path + ['network-settings'])
	+ conf.set_level(base_path)
	if conf.exists(['name-server']):
	for name_server in conf.return_values(['name-server']):
	if is_ipv4(name_server):
	sstp['dnsv4'].append(name_server)
	else:
	sstp['dnsv6'].append(name_server)

	+ #
	+ # read in network settings
	+ conf.set_level(base_path + ['network-settings'])
	if conf.exists(['mtu']):
	sstp['mtu'] = conf.return_value(['mtu'])

	#
	# read in PPP stuff
	conf.set_level(base_path + ['ppp-options'])
	if conf.exists('mppe'):
	sstp['ppp_mppe'] = conf.return_value(['mppe'])

	if conf.exists(['lcp-echo-failure']):
	sstp['ppp_echo_failure'] = conf.return_value(['lcp-echo-failure'])

	if conf.exists(['lcp-echo-interval']):
	sstp['ppp_echo_interval'] = conf.return_value(['lcp-echo-interval'])

	if conf.exists(['lcp-echo-timeout']):
	sstp['ppp_echo_timeout'] = conf.return_value(['lcp-echo-timeout'])

	return sstp


	def verify(sstp):
	if sstp is None:
	return None

	# vertify auth settings
	if sstp['auth_mode'] == 'local':
	if not sstp['local_users']:
	raise ConfigError('SSTP local auth mode requires local users to be configured!')

	for user in sstp['local_users']:
	username = user['name']
	if not user['password']:
	raise ConfigError(f'Password required for local user "{username}"')

	# if up/download is set, check that both have a value
	if user['upload'] and not user['download']:
	raise ConfigError(f'Download speed value required for local user "{username}"')

	if user['download'] and not user['upload']:
	raise ConfigError(f'Upload speed value required for local user "{username}"')

	if not sstp['client_ip_pool']:
	raise ConfigError('Client IP subnet required')

	if not sstp['client_gateway']:
	raise ConfigError('Client gateway IP address required')

	if len(sstp['dnsv4']) > 2:
	raise ConfigError('Not more then two IPv4 DNS name-servers can be configured')

	# check ipv6
	if sstp['client_ipv6_delegate_prefix'] and not sstp['client_ipv6_pool']:
	raise ConfigError('IPv6 prefix delegation requires client-ipv6-pool prefix')

	for prefix in sstp['client_ipv6_delegate_prefix']:
	if not prefix['mask']:
	raise ConfigError('Delegation-prefix required for individual delegated networks')

	if not sstp['ssl_ca'] or not sstp['ssl_cert'] or not sstp['ssl_key']:
	raise ConfigError('One or more SSL certificates missing')

	if not os.path.exists(sstp['ssl_ca']):
	file = sstp['ssl_ca']
	raise ConfigError(f'SSL CA certificate file "{file}" does not exist')

	if not os.path.exists(sstp['ssl_cert']):
	file = sstp['ssl_cert']
	raise ConfigError(f'SSL public key file "{file}" does not exist')

	if not os.path.exists(sstp['ssl_key']):
	file = sstp['ssl_key']
	raise ConfigError(f'SSL private key file "{file}" does not exist')

	if sstp['auth_mode'] == 'radius':
	if len(sstp['radius_server']) == 0:
	raise ConfigError('RADIUS authentication requires at least one server')

	for radius in sstp['radius_server']:
	if not radius['key']:
	server = radius['server']
	raise ConfigError(f'Missing RADIUS secret key for server "{ server }"')

	def generate(sstp):
	if not sstp:
	return None

	# accel-cmd reload doesn't work so any change results in a restart of the daemon
	render(sstp_conf, 'accel-ppp/sstp.config.tmpl', sstp, trim_blocks=True)

	if sstp['local_users']:
	render(sstp_chap_secrets, 'accel-ppp/chap-secrets.tmpl', sstp, trim_blocks=True)
	os.chmod(sstp_chap_secrets, S_IRUSR \| S_IWUSR \| S_IRGRP)
	else:
	if os.path.exists(sstp_chap_secrets):
	os.unlink(sstp_chap_secrets)

	return sstp

	def apply(sstp):
	if not sstp:
	call('systemctl stop accel-ppp@sstp.service')
	for file in [sstp_chap_secrets, sstp_conf]:
	if os.path.exists(file):
	os.unlink(file)

	return None

	call('systemctl restart accel-ppp@sstp.service')


	if __name__ == '__main__':
	try:
	c = get_config()
	verify(c)
	generate(c)
	apply(c)
	except ConfigError as e:
	print(e)
	exit(1)
	diff --git a/src/migration-scripts/sstp/2-to-3 b/src/migration-scripts/sstp/2-to-3
	index 51f4effed..db705f5eb 100755
	--- a/src/migration-scripts/sstp/2-to-3
	+++ b/src/migration-scripts/sstp/2-to-3
	@@ -1,47 +1,52 @@
	#!/usr/bin/env python3
	#
	# Copyright (C) 2020 VyOS maintainers and contributors
	#
	# This program is free software; you can redistribute it and/or modify
	# it under the terms of the GNU General Public License version 2 or later as
	# published by the Free Software Foundation.
	#
	# This program is distributed in the hope that it will be useful,
	# but WITHOUT ANY WARRANTY; without even the implied warranty of
	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	# GNU General Public License for more details.
	#
	# You should have received a copy of the GNU General Public License
	# along with this program. If not, see <http://www.gnu.org/licenses/>.

	# - Rename SSTP ppp-settings node to ppp-options to make use of a common
	# Jinja Template to render Accel-PPP services

	from vyos.configtree import ConfigTree
	from sys import argv
	from sys import exit

	if (len(argv) < 1):
	print("Must specify file name!")
	exit(1)

	file_name = argv[1]

	with open(file_name, 'r') as f:
	config_file = f.read()

	config = ConfigTree(config_file)
	base_path = ['vpn', 'sstp']
	if not config.exists(base_path):
	# Nothing to do
	exit(0)
	else:
	if config.exists(base_path + ['ppp-settings']):
	config.rename(base_path + ['ppp-settings'], 'ppp-options')

	+ config_ns = base_path + ['network-settings', 'name-server']
	+ if config.exists(config_ns):
	+ config.copy(config_ns, base_path + ['name-server'])
	+ config.delete(config_ns)
	+
	try:
	with open(file_name, 'w') as f:
	f.write(config.to_string())
	except OSError as e:
	print("Failed to save the modified config: {}".format(e))
	exit(1)

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