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authorPatrick Cloke <clokep@users.noreply.github.com>2023-02-22 14:37:18 -0500
committerGitHub <noreply@github.com>2023-02-22 14:37:18 -0500
commit4ed08ff72ef8f1abf85ab22de1e51b570f67b27e (patch)
treecf00cd5638590b1faac36f90aeb72ee2b6a80ae4
parentUse `json.dump` in `FileExfiltrationWriter` (#15095) (diff)
downloadsynapse-4ed08ff72ef8f1abf85ab22de1e51b570f67b27e.tar.xz
Tighten the default rate limit of creating new devices. (#15135)
Diffstat (limited to '')
-rw-r--r--changelog.d/15135.misc1
-rw-r--r--docs/usage/configuration/config_documentation.md6
-rw-r--r--synapse/config/ratelimiting.py13
3 files changed, 15 insertions, 5 deletions
diff --git a/changelog.d/15135.misc b/changelog.d/15135.misc
new file mode 100644
index 0000000000..25c4dbffe1
--- /dev/null
+++ b/changelog.d/15135.misc
@@ -0,0 +1 @@
+Tighten the login ratelimit defaults.
diff --git a/docs/usage/configuration/config_documentation.md b/docs/usage/configuration/config_documentation.md
index 58c6955689..ab1f9f4963 100644
--- a/docs/usage/configuration/config_documentation.md
+++ b/docs/usage/configuration/config_documentation.md
@@ -1518,11 +1518,11 @@ rc_registration_token_validity:
 
 This option specifies several limits for login:
 * `address` ratelimits login requests based on the client's IP
-      address. Defaults to `per_second: 0.17`, `burst_count: 3`.
+      address. Defaults to `per_second: 0.003`, `burst_count: 5`.
 
 * `account` ratelimits login requests based on the account the
-  client is attempting to log into. Defaults to `per_second: 0.17`,
-  `burst_count: 3`.
+  client is attempting to log into. Defaults to `per_second: 0.03`,
+  `burst_count: 5`.
 
 * `failed_attempts` ratelimits login requests based on the account the
   client is attempting to log into, based on the amount of failed login
diff --git a/synapse/config/ratelimiting.py b/synapse/config/ratelimiting.py
index 5c13fe428a..b733fac617 100644
--- a/synapse/config/ratelimiting.py
+++ b/synapse/config/ratelimiting.py
@@ -87,9 +87,18 @@ class RatelimitConfig(Config):
             defaults={"per_second": 0.1, "burst_count": 5},
         )
 
+        # It is reasonable to login with a bunch of devices at once (i.e. when
+        # setting up an account), but it is *not* valid to continually be
+        # logging into new devices.
         rc_login_config = config.get("rc_login", {})
-        self.rc_login_address = RatelimitSettings(rc_login_config.get("address", {}))
-        self.rc_login_account = RatelimitSettings(rc_login_config.get("account", {}))
+        self.rc_login_address = RatelimitSettings(
+            rc_login_config.get("address", {}),
+            defaults={"per_second": 0.003, "burst_count": 5},
+        )
+        self.rc_login_account = RatelimitSettings(
+            rc_login_config.get("account", {}),
+            defaults={"per_second": 0.003, "burst_count": 5},
+        )
         self.rc_login_failed_attempts = RatelimitSettings(
             rc_login_config.get("failed_attempts", {})
         )