Zabbixの監視等でPostgres:5432へTCP/IP接続を行うと、エラーログに以下の通り吐かれる。
これは、Postgresサーバへトラフィック送信無しで接続・切断した為。
2018-01-25 14:58:42 UTC:10.0.11.11(46111):[unknown]@[unknown]:[7151]:LOG: connection received: host=10.0.11.11 port=46111 2018-01-25 14:58:42 UTC:10.0.11.11(46111):[unknown]@[unknown]:[1451]:LOG: incomplete startup packet 2018-01-25 14:58:48 UTC:[local]:[unknown]@[unknown]:[7174]:LOG: connection received: host=[local] 2018-01-25 14:58:58 UTC:[local]:[unknown]@[unknown]:[7702]:LOG: connection received: host=[local] 2018-01-25 14:59:08 UTC:[local]:[unknown]@[unknown]:[7822]:LOG: connection received: host=[local] 2018-01-25 14:59:18 UTC:[local]:[unknown]@[unknown]:[7934]:LOG: connection received: host=[local] 2018-01-25 14:59:28 UTC:[local]:[unknown]@[unknown]:[8048]:LOG: connection received: host=[local] 2018-01-25 14:59:38 UTC:[local]:[unknown]@[unknown]:[8173]:LOG: connection received: host=[local]
本ログが出ていても全く問題は無いが、ノイズになる為他の死活監視を検討した方が良さそう。
