collectd.conf(5): Briefly document grpc's SSL options.

[collectd.git] / src / collectd.conf.pod

diff --git a/src/collectd.conf.pod b/src/collectd.conf.pod
index 82562ed..3f3dc9e 100644 (file)
--- a/src/collectd.conf.pod
+++ b/src/collectd.conf.pod
@@ -2499,9 +2499,9 @@ source, this is optional. Otherwise the option is required.
 
 =head2 Plugin C<grpc>
 
-The I<grpc> plugin provides an RPC interface to submit values to collectd
-based on the open source gRPC framework. It exposes and end-point for
-dispatching values to the daemon.
+The I<grpc> plugin provides an RPC interface to submit values to or query
+values from collectd based on the open source gRPC framework. It exposes and
+end-point for dispatching values to the daemon.
 
 The B<gRPC> homepage can be found at L<https://grpc.io/>.
 
@@ -2515,6 +2515,31 @@ specified, it defaults to B<0.0.0.0:50051>.
 
 The argument I<Host> may be a hostname, an IPv4 address, or an IPv6 address.
 
+Optionally, B<Listen> may be specified as a configuration block which
+supports the following options:
+
+=over 4
+
+=item B<EnableSSL> I<true>|I<false>
+
+Whether to enable SSL for incoming connections. Default: false.
+
+=item B<SSLRootCerts> I<Filename>
+
+=item B<SSLServerKey> I<Filename>
+
+=item B<SSLServerCert> I<Filename>
+
+Filenames specifying SSL certificate and key material to be used with SSL
+connections.
+
+=back
+
+=item B<WorkerThreads> I<Num>
+
+Number of threads to start for handling incoming connections. The default
+value is B<5>.
+
 =back
 
 =head2 Plugin C<hddtemp>