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-rwxr-xr-xsrc/conf_mode/vpn_sstp.py8
1 files changed, 8 insertions, 0 deletions
diff --git a/src/conf_mode/vpn_sstp.py b/src/conf_mode/vpn_sstp.py
index 23e5162ba..2949ab290 100755
--- a/src/conf_mode/vpn_sstp.py
+++ b/src/conf_mode/vpn_sstp.py
@@ -26,7 +26,9 @@ from vyos.pki import wrap_certificate
from vyos.pki import wrap_private_key
from vyos.template import render
from vyos.util import call
+from vyos.util import check_port_availability
from vyos.util import dict_search
+from vyos.util import is_listen_port_bind_service
from vyos.util import write_file
from vyos import ConfigError
from vyos import airbag
@@ -62,6 +64,12 @@ def verify(sstp):
if not sstp:
return None
+ port = sstp.get('port')
+ proto = 'tcp'
+ if check_port_availability('0.0.0.0', int(port), proto) is not True and \
+ not is_listen_port_bind_service(int(port), 'accel-pppd'):
+ raise ConfigError(f'"{proto}" port "{port}" is used by another service')
+
verify_accel_ppp_base_service(sstp)
if 'client_ip_pool' not in sstp and 'client_ipv6_pool' not in sstp: