Day: September 5, 2012

Tweet Reference firewall rules for well-known Apps.   KaKaoTalk Free call and video Outgoing ports(To the destination) – Signaling : Destination IP(Network) – 110.76.141.x, 23.78.190.13…

Tweet Phone spec.; Android a855(old), no 3G, but ONLY wi-fi.   1. Call settings 1-1. Allow 3G/4G Calling ; Unchecked 1-2. Accept calls on answer…

1. CHECK_NRPE: Socket timeout after 10 seconds. ; NRPE stands for ‘Nagios Remote Plugin Executor’. Basically, Opsview cannot communication with agent. Solution> Verify Opsview-agent s/w…