diff --git a/debian/resources/iptables.sh b/debian/resources/iptables.sh
index d072a6a..b127894 100755
--- a/debian/resources/iptables.sh
+++ b/debian/resources/iptables.sh
@@ -12,20 +12,20 @@ verbose "Configuring IPTables"
 #run iptables commands
 iptables -A INPUT -i lo -j ACCEPT
 iptables -A INPUT -m state --state ESTABLISHED,RELATED -j ACCEPT
-iptables -A INPUT -j DROP -p udp --dport 5060:5090 -m string --string "friendly-scanner" --algo bm
-iptables -A INPUT -j DROP -p udp --dport 5060:5090 -m string --string "sipcli/" --algo bm
-iptables -A INPUT -j DROP -p udp --dport 5060:5090 -m string --string "VaxSIPUserAgent/" --algo bm
+iptables -A INPUT -j DROP -p udp --dport 5060:5091 -m string --string "friendly-scanner" --algo bm
+iptables -A INPUT -j DROP -p udp --dport 5060:5091 -m string --string "sipcli/" --algo bm
+iptables -A INPUT -j DROP -p udp --dport 5060:5091 -m string --string "VaxSIPUserAgent/" --algo bm
 iptables -A INPUT -p tcp --dport 22 -j ACCEPT
 iptables -A INPUT -p tcp --dport 80 -j ACCEPT
 iptables -A INPUT -p tcp --dport 443 -j ACCEPT
-iptables -A INPUT -p tcp --dport 5060:5090 -j ACCEPT
-iptables -A INPUT -p udp --dport 5060:5090 -j ACCEPT
+iptables -A INPUT -p tcp --dport 5060:5091 -j ACCEPT
+iptables -A INPUT -p udp --dport 5060:5091 -j ACCEPT
 iptables -A INPUT -p udp --dport 16384:32768 -j ACCEPT
 iptables -A INPUT -p icmp --icmp-type echo-request -j ACCEPT
 iptables -A INPUT -p udp --dport 1194 -j ACCEPT
 iptables -t mangle -A OUTPUT -p udp -m udp --sport 16384:32768 -j DSCP --set-dscp 46
-iptables -t mangle -A OUTPUT -p udp -m udp --sport 5060:5090 -j DSCP --set-dscp 26
-iptables -t mangle -A OUTPUT -p tcp -m tcp --sport 5060:5090 -j DSCP --set-dscp 26
+iptables -t mangle -A OUTPUT -p udp -m udp --sport 5060:5091 -j DSCP --set-dscp 26
+iptables -t mangle -A OUTPUT -p tcp -m tcp --sport 5060:5091 -j DSCP --set-dscp 26
 iptables -P INPUT DROP
 iptables -P FORWARD DROP
 iptables -P OUTPUT ACCEPT