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Why am I having problems accessing squid statistics using SNMP?

April 26, 2017problems SNMP Squid statistics

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Why am I having problems accessing squid statistics using SNMP?

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The Squid knowledge base uses SNMP to monitor the proxy server. The installation notes for this KB describe how to configure Squid to enable SNMP, but sometimes there can be networking problems that interfere. This problem is reported in the Host Monitor Log as ‘no SNMP response’ In the Squid configuration file (squid.conf under your squid installation directory) there is a set of access control lists which are used in the sentinel3G specific configuration. By default the localhost acl is as follows: acl localhost src 127.0.0.1/255.255.255.255 If the hostname localhost does not resolve to 127.0.0.1 on the system (for example localhost is configured with a different IP address in /etc/hosts), this acl will not be correctly recognized. The localhost logname should preferably resolve to 127.0.0.1, but if this is not desired, you can change the acl in the squid.conf file to match the correct IP address.