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40 lines
1.3 KiB
40 lines
1.3 KiB
# Controlling Matrix federation (optional)
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By default, your server federates with the whole Matrix network.
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That is, people on your server can communicate with people on any other Matrix server.
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## Federating only with select servers
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To make your server only federate with servers of your choosing, add this to your configuration file (`inventory/host_vars/matrix.<your-domain>/vars.yml`):
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```yaml
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matrix_synapse_federation_domain_whitelist:
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- example.com
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- another.com
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```
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If you wish to disable federation, you can do that with an empty list (`[]`), or better yet by completely disabling federation (see below).
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## Exposing the room directory over federation
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By default, your server's public rooms directory is not exposed to other servers via federation.
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If you wish to expose it, add this to your configuration file (`inventory/host_vars/matrix.<your-domain>/vars.yml`):
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```yaml
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matrix_synapse_allow_public_rooms_over_federation: true
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```
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## Disabling federation
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To completely disable federation, isolating your server from the rest of the Matrix network, add this to your configuration file (`inventory/host_vars/matrix.<your-domain>/vars.yml`):
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```yaml
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matrix_synapse_federation_enabled: false
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```
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With that, your server's users will only be able to talk among themselves, but not to anyone who is on another server.
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