# Reference

Facts to look up while you work with Tracix, from the hostnames and ports collectors and SDKs use to Tracix terms and Tracix Collector release notes.

Look up the addresses Tracix uses, what a term means, or what changed in a collector release.

- [Endpoints and ports](https://tracix.io/docs/reference/endpoints-and-ports): Every hostname and port collectors, SDKs and browsers use

- [Glossary of Tracix terms](https://tracix.io/docs/reference/glossary): Organizations, workspaces, policies and more

- [Tracix Collector release notes](https://tracix.io/docs/reference/release-notes): What changed in each Tracix Collector release

## Stay up to date

The [release notes](https://tracix.io/docs/reference/release-notes) list the published Tracix Collector releases, newest first. To follow them in a feed reader, subscribe to the [release notes RSS feed](https://tracix.io/docs/reference/release-notes/rss.xml).

## Related reference

- [Workspace API reference](https://tracix.io/docs/api/workspace-api): Endpoints you can call with API keys

- [Authenticate with API keys](https://tracix.io/docs/api/authentication): Which credential each endpoint accepts

- [Ports, proxies and firewalls](https://tracix.io/docs/collect/collector/ports-and-proxies): Run collectors behind a proxy or firewall