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General

Like any good software we take security seriously. However, bugs do make it into the software along with the history of the code base we inherited. It's how we deal with identified vulnerabilities that should show that we take things seriously.

Securing your install

As with any system of this nature, we highly recommend that you restrict access to the install via a firewall or VPN.

It is also highly recommended that the Web interface is protected with an SSL certificate such as ones provided by LetsEncrypt.

Please ensure you keep your install up to date.

Trusted Proxies

When using a reverse proxy, you may restrict the hosts allowed to forward headers to LibreNMS. By default this allows all proxies, due to legacy reasons.

Set APP_TRUSTED_PROXIES in your .env to an empty string or the urls to the proxies allowed to forward.

Reporting vulnerabilities

Like anyone, we appreciate the work people put in to find flaws in software and welcome anyone to do so with LibreNMS, this will lead to better quality and more secure software for everyone.

If you think you've found a vulnerability and want to discuss it with some of the core team then you can contact us on Discord and we will endeavour to get back to as quick as we can, this is usually within 24 hours.

We are happy to attribute credit to the findings, but we ask that we're given a chance to patch any vulnerability before public disclosure so that our users can update as soon as a fix is available.

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