diff --git a/templates/etc/openvpn/server/config.conf.j2 b/templates/etc/openvpn/server/config.conf.j2
index ef80fcb..0eb027f 100644
--- a/templates/etc/openvpn/server/config.conf.j2
+++ b/templates/etc/openvpn/server/config.conf.j2
@@ -1,6 +1,11 @@
 port {{ item.port }}
 {% if item.proto == "udp" %}
 proto {{ item.proto }}
+fast-io
+sndbuf 512000
+rcvbuf 512000
+push "sndbuf 512000"
+push "rcvbuf 512000"
 {% elif item.proto == "tcp" %}
 proto tcp-server
 {% endif %}