[VM hosted by our internet access provider]Unable to load services

Hello,

We have some vm hosted by our provider but we can't get the services up.

i tried with snmp (tcp 5666) or nrpe (udp 161) but both not working.

The ISP opened those ports in their firewall.

The one in red is nrpe

The one in green is snmp

for both type of services on the same VM it seems like something blocking but i dont know where.

snmpwalk works

but i get this message when typing it on the centreon central

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