Info

Centos 7 and firewalld to allow SNMP

We need to add a profile for SNMP to use UDP 161.

  1.  Edit /etc/firewalld/services/snmp.xml

<?xml version=”1.0″ encoding=”utf-8″?>
<service>
<short>SNMP</short>
<description>SNMP protocol</description>
<port protocol=”udp” port=”161″/>
</service>

2.  Reload the firewall:  firewall-cmd –reload

3.  Add it to the public zone:  firewall-cmd –zone=public –add-service snmp –permanent

4.  Reload the firewall again.

It should be working now.

 

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