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A comment on Why FTP could soon disappear from the Internet (2020). Parent comment

Re:Why FTP could soon disappear from the Internet (2020) by toast0 on Monday June 19, 2023 @08:55PM (#36398408)
Being able to send files between two ftp servers without having to download then upload is a pretty interesting feature that arises from the two connection model of data transfer. Of course, that model also makes ftp hard to secure and hard to NAT.
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Re:Why FTP could soon disappear from the Internet (2020) by littlecranky67 on Tuesday June 20, 2023 @04:43PM (#36410228)
yepp, FXP. Popular in the warez scene back then, disabled for security reasons everywhere else. You could send arbitrary ASCII data to any remote ASCII based protocol - such as IRC or email. Countermeasures included limiting ports, or disallow download of files you uploaded etc.
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