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-rwxr-xr-xsrc/conf_mode/dynamic_dns.py4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/conf_mode/dynamic_dns.py b/src/conf_mode/dynamic_dns.py
index d55e732df..9f2d3b836 100755
--- a/src/conf_mode/dynamic_dns.py
+++ b/src/conf_mode/dynamic_dns.py
@@ -18,6 +18,7 @@ import os
import sys
import jinja2
+from stat import S_IRUSR, S_IWUSR
from vyos.config import Config
from vyos import ConfigError
@@ -271,6 +272,9 @@ def generate(dyndns):
with open(config_file, 'w') as f:
f.write(config_text)
+ # Config file must be accessible only by its owner
+ os.chmod(config_file, S_IRUSR | S_IWUSR)
+
return None
def apply(dyndns):