WARNING OGG-01223 TCP/IP error 78 (Connection timed out)

2015-01-3012:38:02  INFO    OGG-01226 Socket buffer size set to 27985 (flush size 27985).

2015-01-3012:39:18  WARNING OGG-01223  TCP/IP error 78 (Connection timed out).

2015-01-3012:39:28  INFO    OGG-01226 Socket buffer size set to 27985 (flush size 27985).

2015-01-3012:40:43  WARNING OGG-01223  TCP/IP error 78 (Connection timed out).

說明源端和目標7809端口不能相互通信

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源端：telnet 目標端 7809

目標端： telnet 源端 7809