implement policies

1 files changed, 11 insertions, 0 deletions

diff --git a/README.md b/README.md
index 01b0bf8..9fe8e2e 100644
--- a/README.md
+++ b/README.md
@@ -37,6 +37,17 @@ whenever you want to update to the latest version (from git) you should:
 if it looks messed up in your web browser after updating, you should be able
 to fix it by force reloading the page once
 
+## policies
+
+digitigrade has a "policy" mechanism that allows you to alter or outright
+reject incoming notes/actors/interactions as well as anything created by local
+users, according to your needs. there are some built-in policies (such as
+`Digitigrade\Policy\BlockInstance` which rejects anything from certain
+instances) and you can configure them in `policies.conf.php`.
+
+the default configuration allows you to specify a list of blocked instances in
+the file `blocked-instances.txt`, one domain per line
+
 ## sample nginx configuration
 
 ```nginx