[Bug 227502] Unable to add pfsense as monitored target in ntopng

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Tue Apr 17 11:33:04 UTC 2018


https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=227502

--- Comment #2 from Florin Samareanu <florin.samareanu at gmail.com> ---
Hello,

I got this in the ntopng bug I raised (
https://github.com/ntop/ntopng/issues/1734 ):

@fsamareanu sure. In SNMP some fields are encoded with TLV (Type Length Value),
where the length specifies how many bytes to read on the next field. The daemon
you are using seems to ignore the "Length" value from some SNMP fields (at
least in version, error-status, error-index fields) and assume length 1. This
works well with snmpwalk which uses a 1 byte values but it does not with ntopng
which uses 4 bytes values.

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