diff --git a/stratum/client.h b/stratum/client.h
index 661c0cb..f2d150d 100644
--- a/stratum/client.h
+++ b/stratum/client.h
@@ -122,6 +122,7 @@ void get_random_key(char *key);
 
 void client_sort();
 void client_block_ip(YAAMP_CLIENT *client, const char *reason);
+void client_block_ipset(YAAMP_CLIENT *client, const char *ipset_name);
 
 bool client_reset_multialgo(YAAMP_CLIENT *client, bool first);
 bool client_initialize_multialgo(YAAMP_CLIENT *client);
diff --git a/stratum/client_core.cpp b/stratum/client_core.cpp
index 84521ae..c7732a7 100644
--- a/stratum/client_core.cpp
+++ b/stratum/client_core.cpp
@@ -125,11 +125,17 @@ int client_ask(YAAMP_CLIENT *client, const char *method, const char *format, ...
 void client_block_ip(YAAMP_CLIENT *client, const char *reason)
 {
 	char buffer[1024];
-
 	sprintf(buffer, "iptables -A INPUT -s %s -p tcp --dport %d -j REJECT", client->sock->ip, g_tcp_port);
 	int s = system(buffer);
+	stratumlog("%s: %s blocked (%s)\n", g_stratum_algo, client->sock->ip, reason);
+}
 
-	stratumlog("%s %s blocked (%s)\n", client->sock->ip, client->username, reason);
+void client_block_ipset(YAAMP_CLIENT *client, const char *ipset_name)
+{
+	char buffer[1024];
+	sprintf(buffer, "ipset -q -A %s %s", ipset_name, client->sock->ip);
+	int s = system(buffer);
+	stratumlog("%s: %s blocked via ipset %s\n", g_stratum_algo, client->sock->ip, ipset_name);
 }
 
 bool client_reset_multialgo(YAAMP_CLIENT *client, bool first)