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NPM Server doing PTR lookups

kamalesh

Team

NPM Server doing PTR lookup unnecessarily for every min and this would lead to huge traffic in the network

please help us how to fix this issue

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d09h

Thought I had read about this somewhere before.

Disabling NetBIOS over TCP/IP may help:

https://support.solarwinds.com/Success_Center/Network_Performance_Monitor_(NPM)/Turn_off_WINS_Netbios_resolution

https://thwack.solarwinds.com/message/167178#167178

ekis

try going to

Settings,

Polling Settings

Near the bottom of that page, un-check "Perform reverse DNS lookup"

d09h

You can block as shown in the link I gave and also as ekis has shown. If things ever get undone in one place, the other should still prevent. Might not hurt to pick it off in a network firewall too.