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Old 08-31-2016, 01:02 PM   #1
mhumphries
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Registered: Aug 2016
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SNMP responds on localhost only


installed net-snmpd on server, it responds to snmpwalk on localhost, but not from remote machines.
snmpd.conf has no reference to localhost or 127.0.0.1 netstat shows that snmpd is listening on 0.0.0.0:161. tcpdump shows the getbulkrequest from the client but then no response. /etc/snmp/snmpd also does not reference 127.0.0.1

i am completely stumped
 
Old 08-31-2016, 03:22 PM   #2
24x7servermanagement
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May be check if deamon is not listening locally?

Somewhere /etc/sysconfig/snmp
 
Old 08-31-2016, 03:25 PM   #3
mhumphries
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i had run NMAP against that server and fouind it open/filtered. after some more research another engineer showed me that there was a third party firewall in place. we opened port 161 and all is well now.
 
  


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