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* Use a custom user-agent when previewing links Many websites block requests made with Go's default user-agent. We had previous special-cased Twitter links to use a nonstandard user-agent. This makes that behavior apply everywhere and also customizes the user-agent to belong specifically to Mattermost. * Correctly use custom transport for link previews This allows us to use the custom user-agent defined in services/httpservice/client.go. * Stop leaking server version in custom user-agent Since the custom user-agent is now used when previewing links, exposing the server version could provide a vector for a malicious actor to gather information about private deployments. To avoid this, we switch to a generic string. * Remove extraneous Transport creation MakeClient already creates a transport for us, so this is unnecessary. Co-authored-by: Mattermod <mattermod@users.noreply.github.com>
Mattermost is an open source, private cloud, Slack-alternative from https://mattermost.com.
It's written in Golang and React and runs as a single Linux binary with MySQL or PostgreSQL. Every month on the 16th a new compiled version is released under an MIT license.
Table of Contents
- Try out Mattermost
- Deploy on Heroku
- Deploy on a Cloud Platform via Bitnami
- Install on Your Own Machine
- Native Mobile and Desktop Apps
- Get Security Bulletins
- Get Involved
- Learn More
- Get the Latest News
- Contributing
Try out Mattermost
- Join the Mattermost Contributor's server to join community discussions about contributions, development and more
- Get started with Mattermost Cloud to try out Mattermost
Deploy on Heroku
Note: Heroku preview does not include email or persistent storage
Deploy on a Cloud Platform via Bitnami
Auto-deploy Mattermost to Amazon Web Services, Azure, Google Cloud Platform, or Oracle Cloud Platform via Bitnami.
Install on Your Own Machine
- One-line Docker Preview
- Developer Machine Setup
- Production Install Guides using Linux Binary
- Production Docker Install
Native Mobile and Desktop Apps
In addition to the web interface, you can also download Mattermost clients for Android, iOS, Windows PC, Mac OSX, and Linux.
Get Security Bulletins
Receive notifications of critical security updates. The sophistication of online attackers is perpetually increasing. If you are deploying Mattermost it is highly recommended you subscribe to the Mattermost Security Bulletin mailing list for updates on critical security releases.
Get Involved
- Contribute Code
- Find "Help Wanted" projects
- Join Developer Discussion on a Mattermost Server for contributors
- File Bugs
- Share Feature Ideas
- Get Troubleshooting Help
- Help translate Mattermost
Learn More
- API Options - webhooks, slash commands, drivers and web service
- See who's using Mattermost
- Browse over 700 Mattermost integrations
License
See the LICENSE file for license rights and limitations.
Get the Latest News
- Twitter - Follow Mattermost.
- Blog - Get the latest updates from the Mattermost blog.
- Facebook - Follow Mattermost.
- LinkedIn - Follow Mattermost.
- Email - Subscribe to our newsletter (1 or 2 per month).
- Mattermost - Join the ~contributors channel on the Mattermost Community Server.
- IRC - Join the #matterbridge channel on Freenode (thanks to matterircd).
Contributing
Please see CONTRIBUTING.md.
Any other questions, mail us at info@mattermost.com. We’d love to meet you!