diff --git a/inventory/inventory.yml b/inventory/inventory.yml
index 8b02597..39125e5 100644
--- a/inventory/inventory.yml
+++ b/inventory/inventory.yml
@@ -10,15 +10,19 @@ all:
         vm1:
           ansible_host: 192.168.56.2
           ansible_ssh_private_key_file: .vagrant/machines/vm1/virtualbox/private_key
+          psk_key: 00fcb3f04e646dd9186717bb43f96aa829d01d497ea31254ca72a1ebe568aa96
         vm2:
           ansible_host: 192.168.56.3
           ansible_ssh_private_key_file: .vagrant/machines/vm2/virtualbox/private_key
+          psk_key: 2009df4793fbd2f4afd351b825e43e4a2463524fd64fd08c27c9e353f085c94f
         vm3:
           ansible_host: 192.168.56.4
           ansible_ssh_private_key_file: .vagrant/machines/vm3/virtualbox/private_key
+          psk_key: 182e39bb63953f682347f717359a24621556d83516c54fff00e86dd8e9d89b45
         vm4:
           ansible_host: 192.168.56.5
           ansible_ssh_private_key_file: .vagrant/machines/vm4/virtualbox/private_key
+          psk_key: d8f5c88673de18afdde646ed3590fbe36d2951b9cfe8fac56e8b722115e791ee
     redhat:
       vars:
         ZBXDIR: '/etc'
diff --git a/tasks/configure-zabbix_agent.yml b/tasks/configure-zabbix_agent.yml
index ad80ddb..2b105ee 100644
--- a/tasks/configure-zabbix_agent.yml
+++ b/tasks/configure-zabbix_agent.yml
@@ -4,3 +4,9 @@
   template: src=~/git/ansible_vagrant/templates/zabbix_agentd.conf.j2 dest={{ ZBXDIR }}/zabbix_agentd.conf backup=yes
   notify:
   - restart zabbix-agent
+
+- name: Zabbix Agent PSK fájl létrehozása
+  diff: yes
+  template: src=~/git/ansible_vagrant/templates/zabbix.psk.j2 dest={{ ZBXDIR }}/zabbix.psk backup=yes owner=zabbix group=zabbix mode=0640
+  notify:
+  - restart zabbix-agent
diff --git a/templates/zabbix_agentd.conf.j2 b/templates/zabbix_agentd.conf.j2
index 917c910..5aa2396 100644
--- a/templates/zabbix_agentd.conf.j2
+++ b/templates/zabbix_agentd.conf.j2
@@ -8,5 +8,8 @@ LogFileSize={{ ZBXLOGFILESIZE }}
 Server={{ ZBXSERVER }}
 ListenPort={{ ZBXAGENTPORT }}
 ListenIP={{ ZBXLISTENIP }}
-ServerActive=127.0.0.1
-Hostname={{ inventory_hostname_short}}
+Hostname={{ inventory_hostname_short }}
+TLSConnect=psk
+TLSAccept=psk
+TLSPSKFile={{ ZBXDIR }}/zabbix.psk
+TLSPSKIdentity={{ inventory_hostname_short }}