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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.
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.
21 Σεπ 2022 · FortiGate. Solution. Technical terms are explained in relation to what firewall ports need to be open to allow the traffic. FTP - File Transfer Protocol: uses TCP port 21 for command and TCP port 20 for data transfer.
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.
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.
For firewalls configured to permit a specific range of ports, such as in passive mode, FTPS should operate without issues. To configure for passive FTP (the preferred method), see My IP address begins with 192.168.xxx.xxx.
FTPS (also known as FTP Secure and FTP-SSL) is an extension to the commonly used File Transfer Protocol (FTP) that adds support for the Transport Layer Security (TLS) cryptographic protocol (previously known as the Secure Sockets Layer – SSL).1
