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The EPRT command, specified by RFC 2428, is the Extended PORT command. It has the same functionality as the PORT command, but enables the client to specify a ...
The 504 error occurs when the server rejects PORT/EPRT commands, often if it doesn't support EPSV, the session is IPv4, or the client isn't firewall-friendly.
If you disable the PORT or EPRT commands, then you prevent your server from being used to send random data to other servers. However, your server loses some ...
This allows users behind routers/firewalls to connect over FTP when they might not be able to connect over an Active (PORT/EPRT) FTP session. EPSV mode provides ...
2014/8/22 -The only difference is that PORT/PASV are limited to IPv4, while EPRT/EPSV work with any network protocol (although only IPv6 is used in practice).
2022/11/10 -This article describes how to implement passive (PASV) and extended passive (EPSV) data transfer mode for data connections to epddownload.bmc.com which are not ...
2020/9/16 -How do I add an exception to prevent scanning or blocking of port 21 FTP?FTP sending is throwing “port/eprt is not supported use ...
Using EPRT means that libcurl first attempts to use EPRT before using PORT, but if you pass zero to this option, it avoids using EPRT, only plain PORT.
2018/7/26 -Eprt and EPSV are shorthand for extended PORT/PASV. Eprt mode: Eprt considering the extended address problem of the data connection, the ...
This document provides a specification for a way that FTP can communicate data connection endpoint information for network protocols other than IPv4.