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It’s just a data channel. This changed with nat and the introduction of the PASV command which allowed the client to set a non-well known port for the data chan
by grepfru_it 3y ago
It’s just a data channel. This changed with nat and the introduction of the PASV command which allowed the client to set a non-well known port for the data channel
- oarsinsync 3y ago> the introduction of the PASV command which allowed the client to set a non-well known port for the data channel PASV instructs the server to specify another ip:port that it’s listening on to enable the client to connect. PORT expects there to be an open port on the client for the server to connect to.