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Networking Support Articles
My firewalls are not working correctly
Use this guide to gather information about your firewalls and diagnose problems.
Why is my Droplet receiving Authoritative Answer flag errors?
Our DNS recursive servers now require Authoritative Answer flags when resolving host names.
How can I whitelist the DigitalOcean Metrics agent with my firewall?
Configure your firewall to allow outgoing traffic through ports 80 and 443.
How do I install an SSL Certificate on a Droplet?
There are a few ways to install an SSL on your Droplet, depending on where you get the certificate from.
Can I have more than one domain on the same Droplet?
You can point multiple domains at a Droplet and serve multiple websites from it.
Why is SMTP blocked?
DigitalOcean blocks SMTP port 25 for some new accounts to prevent spam and other abuses of our platform.