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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.
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 · To address this issue, SFTP was introduced, which handles all communication for control and data channels over port 21, which allows for both security through encryption, and predictable port assignment to make it easier for firewalls to manage.
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.
FTPS vs. SFTP – comparing ports and when to choose one over the other; Which protocol is best for certain instances, including: Complying with security standards; Working with trading partners requirements; And more!
Supported File Transfer Protocols. WinSCP supports five transfer protocols: SFTP (SSH File Transfer Protocol); FTP (File Transfer Protocol); SCP (Secure Copy Protocol); WebDAV (Web Distributed Authoring and Versioning); S3 (Amazon S3). Advertisement. Some servers support more than one of these protocols.
