On the shared/dedicated server seem to have an issue with snmpd logging connection information for each poll on CentOS , like this:
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Mar 31 21:07:03 onlinuxweb snmpd[10564]: Connection from UDP: [12.123.124.125]:39299
Mar 31 21:07:03 onlinuxweb snmpd[10564]: Connection from UDP: [12.123.124.125]:44746
Mar 31 21:07:03 onlinuxweb snmpd[10564]: Received SNMP packet(s) from UDP: [12.123.124.125]:44746
Mar 31 21:07:03 onlinuxweb snmpd[10564]: Connection from UDP: [12.123.124.125]:44746
Mar 31 21:08:59 onlinuxweb snmpd[10564]: Connection from UDP: [12.123.124.125]:56675
Mar 31 21:08:59 onlinuxweb snmpd[10564]: Received SNMP packet(s) from UDP: [12.123.124.125]:56675
Mar 31 21:08:59 onlinuxweb snmpd[10564]: Connection from UDP: [12.123.124.125]:56675
Mar 31 21:08:59 onlinuxweb snmpd[10564]: Connection from UDP: [12.123.124.125]:37456
Mar 31 21:08:59 onlinuxweb snmpd[10564]: Received SNMP packet(s) from UDP: [12.123.124.125]:37456
Mar 31 21:08:59 onlinuxweb snmpd[10564]: Connection from UDP: [12.123.124.125]:37456
Mar 31 21:08:59 onlinuxweb snmpd[10564]: Connection from UDP: [12.123.124.125]:54909
Mar 31 21:08:59 onlinuxweb snmpd[10564]: Received SNMP packet(s) from UDP: [12.123.124.125]:54909
Mar 31 21:08:59 onlinuxweb snmpd[10564]: Connection from UDP: [12.123.124.125]:54909
Mar 31 21:08:59 onlinuxweb snmpd[10564]: Connection from UDP: [12.123.124.125]:60021
Mar 31 21:08:59 onlinuxweb snmpd[10564]: Received SNMP packet(s) from UDP: [12.123.124.125]:60021
Mar 31 21:08:59 onlinuxweb snmpd[10564]: Connection from UDP: [12.123.124.125]:60021
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This isnt necessarily a bad thing, however if you want to turn that off, on a fully updated CentOS-5 machine you can change /etc/sysconfig/snmpd.options to something like this :

# snmpd command line options
OPTIONS=”-LS4d -Lf /dev/null -p /var/run/snmpd.pid”

# /etc/init.d/snmpd restart

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