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To know exactly what ports you will need to open, you will need to either: a) talk to the vendor to get specifics about how their system has been configured. b) Use a protocol analyzer, such as tcpdump or wireshark, to look at the traffic, both from outside your firewall and inside your firewall.
5 Μαρ 2024 · FTPS typically uses port 990 for control connections and port 989 for data connections under implicit security. However, FTPS can also use port 21 when operating under explicit security. Learn more about the difference between FTPS vs HTTPS for secure file transfers.
26 Αυγ 2015 · Normal FTP uses port 21(TCP/UDP) for control and port 20(TCP/UDP) for data. FTP over TLS (FTPS) uses port 990(TCP/UDP) for control and port 989(TCP/UDP) for data. You will need to open both as FTPS prevents the router from detecting which port was negotiated for the data transfer. Hope this helps.
18 Απρ 2024 · Our three best practices for FTP server port management include port forwarding, passive mode, and active monitoring of dynamic ports.
22 Σεπ 2021 · 1: Configure a service which allows access to control and data channel ports as follows. 2: Create an IP Policy which uses this service from and toward desired locations. This should reasonably be enough to allow communication between an FTPS server which has set data channel ports.
13 Ιουν 2023 · FTP Server Secure (FTP SSL Traffic-in): FTP over SSL uses TCP port 990, and this rule opens it. To do so, open Windows Defender Firewall with Advanced Security , switch to the list of incoming rules, and enable them using the Enable Rule command.
20 Ιουλ 2021 · -P, --ftp-port (FTP) Reverses the default initiator/listener roles when connecting with FTP. This option makes curl use active mode. curl then tells the server to connect back to the client's specified address and port, while passive mode asks the server to setup an IP address and port for it to connect to.
