????????? Zabbix 3.0 appliance ?? KVM, ?? ??? ???????? ?????? ???????? ???????? ???????. ?????????? ??????? ???? 10051.
????? ??????????? ??? ? /etc/iptables/rules.v4
??? ???????

### ZBX
-A INPUT -s 0/0 -p tcp --dport 10050 -j ZBX

?????? ? ?????? 10051

-A INPUT -s 0/0 -p tcp --dport 10051 -j ZBX

????? ????? ??????????.

Short translation by zalex:
the last line should be added to /etc/iptables/rules.v4 to get active checks working.