fixed knockd

assets/knockd.conf

@@ -1,15 +1,10 @@
 [options]
-	UseSyslog
-
-[openSSH]
-	sequence    = 7000,8000,9000
-	seq_timeout = 5
-	command     = /sbin/iptables -A INPUT -s %IP% -p tcp --dport 22 -j ACCEPT
-	tcpflags    = syn
-
-[closeSSH]
-	sequence    = 9000,8000,7000
-	seq_timeout = 5
-	command     = /sbin/iptables -D INPUT -s %IP% -p tcp --dport 22 -j ACCEPT
-	tcpflags    = syn
+      logfile = /var/log/knockd.log
 
+[SSH]
+      sequence    = 7000,8000,9000
+      seq_timeout = 5
+      start_command = ufw allow from %IP% to any port 22
+      tcpflags    = syn
+      cmd_timeout   = 10
+      stop_command  = ufw delete allow from %IP% to any port 22