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-rwxr-xr-xsrc/conf_mode/interfaces-wireguard.py5
1 files changed, 5 insertions, 0 deletions
diff --git a/src/conf_mode/interfaces-wireguard.py b/src/conf_mode/interfaces-wireguard.py
index 4c566a5ad..ad3ddcba2 100755
--- a/src/conf_mode/interfaces-wireguard.py
+++ b/src/conf_mode/interfaces-wireguard.py
@@ -30,6 +30,7 @@ from vyos.configverify import verify_bridge_delete
from vyos.configverify import verify_mtu_ipv6
from vyos.ifconfig import WireGuardIf
from vyos.util import check_kmod
+from vyos.util import check_port_availability
from vyos import ConfigError
from vyos import airbag
airbag.enable()
@@ -73,6 +74,10 @@ def verify(wireguard):
if 'peer' not in wireguard:
raise ConfigError('At least one Wireguard peer is required!')
+ if 'port' in wireguard and check_port_availability(
+ '0.0.0.0', int(wireguard['port']), 'udp') is not True:
+ raise ConfigError('The port cannot be used for the interface')
+
# run checks on individual configured WireGuard peer
for tmp in wireguard['peer']:
peer = wireguard['peer'][tmp]