gitlab-org--gitlab-foss/doc/administration/monitoring/ip_whitelist.md

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# IP whitelist
> Introduced in GitLab 9.4.
GitLab provides some [monitoring endpoints] that provide health check information
when probed.
To control access to those endpoints via IP whitelisting, you can add single
hosts or use IP ranges:
**For Omnibus installations**
1. Open `/etc/gitlab/gitlab.rb` and add or uncomment the following:
```ruby
gitlab_rails['monitoring_whitelist'] = ['127.0.0.0/8', '192.168.0.1']
```
1. Save the file and [reconfigure] GitLab for the changes to take effect.
---
**For installations from source**
1. Edit `config/gitlab.yml`:
```yaml
monitoring:
# by default only local IPs are allowed to access monitoring resources
ip_whitelist:
- 127.0.0.0/8
- 192.168.0.1
```
1. Save the file and [restart] GitLab for the changes to take effect.
[reconfigure]: ../restart_gitlab.md#omnibus-gitlab-reconfigure
[restart]: ../restart_gitlab.md#installations-from-source
[monitoring endpoints]: ../../user/admin_area/monitoring/health_check.md