# Synology SNMP Monitoring with LibreNMS - Could not connect to database **URL:** \ **Category:** Uncategorized\ **Created:** [July 21, 2021, 5:01pm UTC](https://forums.jasonloong.com/t/synology-snmp-monitoring-with-librenms-could-not-connect-to-database/42 "2021-07-21T17:01:00Z")\ **Posts on this page:** 1\ **Showing post:** 3
**Author:** ![jasonloong](https://forums.jasonloong.com/user_avatar/forums.jasonloong.com/jasonloong/32/8_2.png) [@jasonloong](https://forums.jasonloong.com/u/jasonloong)\ **Post date:** [July 21, 2021, 5:19pm UTC](https://forums.jasonloong.com/t/synology-snmp-monitoring-with-librenms-could-not-connect-to-database/42/3 "2021-07-21T17:19:41Z")
If you are using MariaDB as container, following the tutorial as is should just work If your DB is located in Syno’s MariaDB, run the above to enable access and also check out this [Error when setup database - #12 by fred](https://forums.jasonloong.com/t/error-when-setup-database/25/12) In your case it would be to allow all from 172. **17**.0.0/255.255.0.0 Syno’s firewall might be blocking access to Syno’s MariaDB --- _[View the full topic](https://forums.jasonloong.com/t/synology-snmp-monitoring-with-librenms-could-not-connect-to-database/42)._