diff --git a/etc/tor/torrc b/etc/tor/torrc
index 6dc2f32..e379cf1 100644
--- a/etc/tor/torrc
+++ b/etc/tor/torrc
@@ -13,6 +13,7 @@ HiddenServiceEnableIntroDoSRatePerSec 10
 HiddenServiceEnableIntroDoSBurstPerSec 100
 HiddenServiceMaxStreams 10
 HiddenServiceMaxStreamsCloseCircuit 1
+HiddenServicePoWDefensesEnabled 1
 
 ClientUseIPv6 1
 ClientUseIPv4 1
diff --git a/var/www/common.php b/var/www/common.php
index f9254ba..c2a5629 100644
--- a/var/www/common.php
+++ b/var/www/common.php
@@ -395,6 +395,7 @@ HiddenServiceExportCircuitID haproxy
 HiddenServiceEnableIntroDoSDefense 1
 HiddenServiceEnableIntroDoSRatePerSec 10
 HiddenServiceEnableIntroDoSBurstPerSec 100
+HiddenServicePoWDefensesEnabled 1
 ";
 		$torrc.="HiddenServicePort 80 unix:/var/run/nginx/$socket\n";
 		if($tmp['enable_smtp']){