[wp-trac] [WordPress Trac] #34976: Plug ins fail to update after WP 4.4 installed

[WordPress Trac]

#34976: Plug ins fail to update after WP 4.4 installed
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 Reporter:  patdundee       |       Owner:
     Type:  defect (bug)    |      Status:  new
 Priority:  normal          |   Milestone:  4.4.1
Component:  Filesystem API  |     Version:  4.4
 Severity:  normal          |  Resolution:
 Keywords:                  |     Focuses:
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Comment (by mensmaximus):

 Replying to [comment:62 dossy]:
 > It makes me sad that people think it's okay for software to violate the
 RFC.

 Yes RFCs should not be violated. However a RFC is still nothing you have
 to obey to.

 > On `ftp_connect()` we can issue a `FEAT` command and look for `MLST`
 which ProFTPD implements, and an `ACCT` command and look for the `502`
 error response, as [http://www.proftpd.org/docs/rfc.html ProFTPD's
 documentation] says they don't implement it (''"However, the ACCT
 (Account) command is not implemented."'').  If ProFTPD is detected, then
 `WP_Filesystem_FTPext::exists()` could use `NLST -a`.

 Why only implement an edge case bug fix for ProFTP. Following my approach
 you catch any exception from the rfc.

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Ticket URL: <https://core.trac.wordpress.org/ticket/34976#comment:63>
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