Avalanche:Testing FTP with IPv6, when request domain name intead of Server IP, server will response "425 unable to open connection, server out of ephemeral ports", connection will be terminated and transaction unsuccessful. IPv4 works well.

Testing FTP with IPv6, when request domain name intead of Server IP, server will response "425 unable to open connection, server out of ephemeral ports", connection will be terminated and transaction unsuccessful. IPv4 works well. 1. Action list requst a FTP server domain name, download a file, for example,     1 ftp://www.ftp_1.com/1k 2. Enable "Test DNS" and configure IPv6 name server at Client/Ports tab 3. Confgure DNS Server and FTP Server at server side 4. Add association at client and server side. 5. Trial run test Check the pcap file will find the problem.

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