diff --git a/Containers/talk/Dockerfile b/Containers/talk/Dockerfile
index 24d7a53c043..2a09c71beee 100644
--- a/Containers/talk/Dockerfile
+++ b/Containers/talk/Dockerfile
@@ -4,7 +4,7 @@ FROM eturnal/eturnal:1.12.1 AS eturnal
 FROM strukturag/nextcloud-spreed-signaling:2.0.3 AS signaling
 FROM alpine:3.21.3 AS janus
 
-ARG JANUS_VERSION=v1.3.1
+ARG JANUS_VERSION=v1.3.2
 WORKDIR /src
 RUN set -ex; \
     apk upgrade --no-cache -a; \
diff --git a/Containers/talk/server.conf.in b/Containers/talk/server.conf.in
index 85630d5aaf4..8f437e30839 100644
--- a/Containers/talk/server.conf.in
+++ b/Containers/talk/server.conf.in
@@ -84,7 +84,8 @@ internalsecret = the-shared-secret-for-internal-clients
 # For backend type "etcd":
 # Key prefix of backend entries. All keys below will be watched and assumed to
 # contain a JSON document with the following entries:
-# - "url": Url of the Nextcloud instance.
+# - "urls": List of urls of the Nextcloud instance.
+# - "url": Url of the Nextcloud instance (deprecated).
 # - "secret": Shared secret for requests from and to the backend servers.
 #
 # Additional optional entries:
@@ -93,8 +94,8 @@ internalsecret = the-shared-secret-for-internal-clients
 # - "sessionlimit": Number of sessions that are allowed to connect.
 #
 # Example:
-# "/signaling/backend/one" -> {"url": "https://nextcloud.domain1.invalid", ...}
-# "/signaling/backend/two" -> {"url": "https://domain2.invalid/nextcloud", ...}
+# "/signaling/backend/one" -> {"urls": ["https://nextcloud.domain1.invalid"], ...}
+# "/signaling/backend/two" -> {"urls": ["https://domain2.invalid/nextcloud"], ...}
 #backendprefix = /signaling/backend
 
 # Allow any hostname as backend endpoint. This is extremely insecure and should
@@ -122,8 +123,8 @@ connectionsperhost = 8
 # Backend configurations as defined in the "[backend]" section above. The
 # section names must match the ids used in "backends" above.
 #[backend-id]
-# URL of the Nextcloud instance
-#url = https://cloud.domain.invalid
+# Comma-separated list of urls of the Nextcloud instance
+#urls = https://cloud.domain.invalid
 
 # Shared secret for requests from and to the backend servers. Leave empty to use
 # the common shared secret from above.
@@ -143,8 +144,8 @@ connectionsperhost = 8
 #maxscreenbitrate = 2097152
 
 #[another-backend]
-# URL of the Nextcloud instance
-#url = https://cloud.otherdomain.invalid
+# Comma-separated list of urls of the Nextcloud instance
+#urls = https://cloud.otherdomain.invalid
 
 # Shared secret for requests from and to the backend servers. Leave empty to use
 # the common shared secret from above.
@@ -179,6 +180,13 @@ connectionsperhost = 8
 # proxy server that is used.
 #maxscreenbitrate = 2097152
 
+# List of IP addresses / subnets that are allowed to be used by clients in
+# candidates. The allowed list has preference over the blocked list below.
+#allowedcandidates = 10.0.0.0/8
+
+# List of IP addresses / subnets to filter from candidates received by clients.
+#blockedcandidates = 1.2.3.0/24
+
 # For type "proxy": timeout in seconds for requests to the proxy server.
 #proxytimeout = 2