[root@zabbix-server /]# tail -f /home/zabbix/alertscripts/alert-agent/log/agent.log
07-09-2015 18:12:31,598 CST ERROR [main] [com.upyoo.cep.agent.TrapReceiver@90] Fail to listen trap port 164. Permission denied
07-09-2015 18:13:33,565 CST ERROR [main] [com.upyoo.cep.agent.TrapReceiver@90] Fail to listen trap port 164. Permission denied
^C
[root@zabbix-server /]#