The Ubuntu ftp connection to Tencent Cloud is successful, and the ls command is Connection timed out.

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the system Ubuntu16, successfully connected to the Tencent Cloud host using the ftp command, the pwd command was available, but the ls,dir connection timed out. As shown in the picture.

Tencent Cloud mainframe iptables I turned off directly, all the computers at home can be connected, the company"s computer is Ubuntu,iptables I direct INPUT to allow all, OUTPUT allows all, still not.

Ubuntu ftp

Mar.20,2021

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