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instance method

Net::FTP#connect

connect(host, port = FTP_PORT)

# File tmp/rubies/ruby-3.0.5/lib/net/ftp.rb, line 380
def connect(host, port = FTP_PORT)
  if @debug_mode
    print "connect: ", host, ", ", port, "\n"
  end
  synchronize do
    @host = host
    @bare_sock = open_socket(host, port)
    @sock = BufferedSocket.new(@bare_sock, read_timeout: @read_timeout)
    voidresp
    if @ssl_context
      begin
        voidcmd("AUTH TLS")
        ssl_sock = start_tls_session(@bare_sock)
        @sock = BufferedSSLSocket.new(ssl_sock, read_timeout: @read_timeout)
        if @private_data_connection
          voidcmd("PBSZ 0")
          voidcmd("PROT P")
        end
      rescue OpenSSL::SSL::SSLError, OpenTimeout
        @sock.close
        raise
      end
    end
  end
end

Establishes an FTP connection to host, optionally overriding the default port. If the environment variable SOCKS_SERVER is set, sets up the connection through a SOCKS proxy. Raises an exception (typically Errno::ECONNREFUSED) if the connection cannot be established.