UDP 17500ポートへのブロードキャスト

Network & Infrastructure
2019/04/04 
2019/04/04 17:56:04: LAN2 Rejected at IN(2000) filter: UDP 192.168.2.60:17500 > 255.255.255.255:17500
2019/04/04 17:56:04: same message repeated 2 times
2019/04/04 17:56:04: LAN2 Rejected at IN(2000) filter: UDP 192.168.2.60:17500 > 192.168.2.255:17500
2019/04/04 17:56:04: LAN2 Rejected at IN(2000) filter: UDP 192.168.2.60:17500 > 255.255.255.255:17500
2019/04/04 17:56:19: LAN2 Rejected at IN(2000) filter: UDP 192.168.2.66:17500 > 255.255.255.255:17500
2019/04/04 17:56:19: LAN2 Rejected at IN(2000) filter: UDP 192.168.2.66:17500 > 192.168.2.255:17500
2019/04/04 17:56:34: LAN2 Rejected at IN(2000) filter: UDP 192.168.2.60:17500 > 255.255.255.255:17500
2019/04/04 17:56:34: same message repeated 2 times
2019/04/04 17:56:34: LAN2 Rejected at IN(2000) filter: UDP 192.168.2.60:17500 > 192.168.2.255:17500
2019/04/04 17:56:34: LAN2 Rejected at IN(2000) filter: UDP 192.168.2.60:17500 > 255.255.255.255:17500
2019/04/04 17:56:49: LAN2 Rejected at IN(2000) filter: UDP 192.168.2.66:17500 > 255.255.255.255:17500
2019/04/04 17:56:49: LAN2 Rejected at IN(2000) filter: UDP 192.168.2.66:17500 > 192.168.2.255:17500
2019/04/04 17:57:04: LAN2 Rejected at IN(2000) filter: UDP 192.168.2.60:17500 > 255.255.255.255:17500
2019/04/04 17:57:04: same message repeated 2 times
2019/04/04 17:57:04: LAN2 Rejected at IN(2000) filter: UDP 192.168.2.60:17500 > 192.168.2.255:17500
2019/04/04 17:57:04: LAN2 Rejected at IN(2000) filter: UDP 192.168.2.60:17500 > 255.255.255.255:17500
2019/04/04 17:57:19: LAN2 Rejected at IN(2000) filter: UDP 192.168.2.66:17500 > 255.255.255.255:17500
2019/04/04 17:57:19: LAN2 Rejected at IN(2000) filter: UDP 192.168.2.66:17500 > 192.168.2.255:17500

ルーターのパケットフィルタのログを眺めていたら、10秒から20秒に3回ぐらいブロードキャスト出してるホストがいる。。。（自分）

ググったら、dropboxのLAN syncがやっているとのこと。

頻度高すぎて辛い。

dropboxのLAN sync

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