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9 Φεβ 2024 · Role of Port 20 and Port 21 in FTP (File Transfer Protocol) In FTP, servers transfer files over port 20 during active FTP sessions. Clients issue FTP commands to servers over port 21 regardless of whether the FTP sessions are active or passive.
22 Ιουν 2015 · The downloading port may vary based on the protocol address. In general the standard port for HTTPS was 443. If you're on a corporate network, port 80 and 443 are usually bounced through a proxy server,other than that for FTP transfers it would be done through port no 21.
28 Απρ 2024 · The command channel is used to transfer the commands and responses from client to server and server to client. FTP uses the same approach as TELNET or SMTP to communicate across the control connection. It uses the NVT ASCII character set for communication. It uses port number 21.
FTP Port 21 is the Default Control Port. After the correct FTP username and password are entered through FTP client software, the FTP server software opens port 21 by default. This is sometimes called the command or control port by default.
14 Φεβ 2021 · Roblox has a soft transfer limit of 50kb/s between a player’s client, that’s 1024 * 50 bytes per second. A Roblox server has no limit to how much data it can send or receive globally, but you are prevented from sending more than this limit or receiving more than this limit for any given player.
The download speed is 50 mbps. I looked into it, and Roblox uses UDP ports 49152 - 65535. I believe the router is blocking the ports which Roblox uses to function, but I cannot open the ports on the router.
I heard, FTP is used to transfer files over a network. Also heard that it uses TCP port 20 and 21. So TCP is connection oriented. We have acknowledgments. If the transmission is lost, we should be ...
