On 21/12/17 15:53, Chris Horry wrote:
Hello all,
I'm using the following configuration for SNMP:
acl horry src 192.168.0.0/16 <http://192.168.0.0/16>
...
snmp_port 3401
acl snmppublic snmp_community <snip>
snmp_access allow snmppublic horry localhost
NP: src-IP address cannot simultaneously be 127.0.0.1 and a 192.168.*.*
IP. So requests will be denied, but that is not your current problem.
snmp_incoming_address 0.0.0.0
snmp_outgoing_address 0.0.0.0
Squid is compiled with the --enable-snmp option.
$ squid --version
Squid Cache: Version 5.0.0-20171215-rb7c260f
Service Name: squid
configure options: '--enable-ssl' '--enable-linux-netfilter'
'--enable-htcp' '--enable-snmp' '--enable-storeio=ufs,diskd,aufs'
'--enable-async-io' '--with-aio' '--with-large-files'
'--enable-removal-policies=heap'
However, when I try to query SNMP:
$ snmpwalk -m ../share/mib.txt -v2c -Cc -c <snip> localhost:3401
You will need to use 127.0.0.1 explicitly or the localhost-ip4 name if
you hosts file defines one. "localhost:3401" also resolves to [::1]:3401
which you have closed.
MIB search path:
/home/zerbey/.snmp/mibs:/usr/share/snmp/mibs:/usr/share/snmp/mibs/iana:/usr/share/snmp/mibs/ietf:/usr/share/mibs/site:/usr/share/snmp/mibs:/usr/share/mibs/iana:/usr/share/mibs/ietf:/usr/share/mibs/netsnmp
Cannot find module (SNMPv2-SMI): At line 8 in ../share/mib.txt
Cannot find module (SNMPv2-TC): At line 11 in ../share/mib.txt
Cannot find module (INET-ADDRESS-MIB): At line 14 in ../share/mib.txt
Did not find 'enterprises' in module #-1 (../share/mib.txt)
Did not find 'DisplayString' in module #-1 (../share/mib.txt)
Did not find 'InetAddressType' in module #-1 (../share/mib.txt)
Did not find 'InetAddress' in module #-1 (../share/mib.txt)
Unlinked OID in SQUID-MIB: nlanr ::= { enterprises 3495 }
Undefined identifier: enterprises near line 50 of ../share/mib.txt
Cannot adopt OID in SQUID-MIB: cacheCurrentFileDescrMax ::= {
cacheSysPerf 13 }
...this continues for many lines, but the gist is it doesn't get any
data... ending on...
Cannot adopt OID in SQUID-MIB: cacheIpCache ::= { cacheNetwork 1 }
Are you sure your system snmp is installed correctly? That looks like
the basic system MIB files are missing or unreadable.
Tried various iterations of snmpwalk including from other hosts and with
udp/tcp. Never get any response.
Not sure where to go from here, is there any other debugging I can
enable or is SNMP configured differently in v5?
It's the same in all v3+.
Amos
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