Proto Recv-Q Send-Q Local Address Foreign Address State PID/Program name This will show: Active Internet connections (only servers) Install 'netstat' command: yum -y install net-toolsĬheck the listening ports: netstat -tulpn
Install SNMP trap listener: yum install -y net-snmp-utils net-snmp-perl net-snmpĮnable and strart the service: systemctl enable snmptrapd Open SNMP trap listener port 162 in firewall: firewall-cmd -add-port=162/udp -permanent
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