Skip to content

document importance of public_baseurl for delegation and OIDC #19270

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
klaernie wants to merge 2 commits into
base: develop
Choose a base branch
from
Open

document importance of public_baseurl for delegation and OIDC #19270

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
cc2bbd6
document importance of public_baseurl for delegation and OIDC
klaernie Dec 2, 2025
d56a9a4
Add changelog entry
klaernie Dec 2, 2025
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
1 change: 1 addition & 0 deletions changelog.d/19270.doc
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -0,0 +1 @@
Document the importance of `public_baseurl` when configuring OpenID Connect authentication.
2 changes: 2 additions & 0 deletions docs/openid.md
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -50,6 +50,8 @@ setting in your configuration file.
See the [configuration manual](usage/configuration/config_documentation.md#oidc_providers) for some sample settings, as well as
the text below for example configurations for specific providers.

For setups using [delegation](delegate.md) make sure [public_baseurl](usage/configuration/config_documentation.md#public_baseurl) is set to the correct value (it defaults to [server_name](usage/configuration/config_documentation.md#server_name)), else Synapse will try to fix the incorrect hostname and will redirect to the value set as `server_name`.

## OIDC Back-Channel Logout

Synapse supports receiving [OpenID Connect Back-Channel Logout](https://openid.net/specs/openid-connect-backchannel-1_0.html) notifications.
Expand Down