diff --git a/conf/main_ipv4.conf.sample b/conf/main_ipv4.conf.sample
index 78772c1..af124be 100644
--- a/conf/main_ipv4.conf.sample
+++ b/conf/main_ipv4.conf.sample
@@ -679,6 +679,7 @@ protection_against_ssh_brute_force_attacks=true
 # - Limit connections per source IP
 # -
 limit_connections_per_source_IP=true
+per_IP_connection_limit=$default_per_IP_connection_limit
 
 # - Limit RST packets
 # -
diff --git a/conf/main_ipv6.conf.sample b/conf/main_ipv6.conf.sample
index 08502de..759550e 100644
--- a/conf/main_ipv6.conf.sample
+++ b/conf/main_ipv6.conf.sample
@@ -693,6 +693,7 @@ protection_against_ssh_brute_force_attacks=true
 # - Limit connections per source IP
 # -
 limit_connections_per_source_IP=true
+per_IP_connection_limit=$default_per_IP_connection_limit
 
 # - Limit RST packets
 # -