[squid-dev] [PATCH] FTP FEAT error handling

[Tsantilas Christos]

Hi all

Some FTP servers respond to a FEAT command with
     "550 FEAT: Operation not permitted".

Squid then sends the following invalid response to the FTP client:

FEAT
     EPRT
     EPSV
550 FEAT: Operation not permitted

This can confuse the client as it is not a valid FEAT response.

This patch fixes Squid to always send a valid 211 reply to client which
lists at least the EPSV and EPRT ftp commands which supported by Squid
regardless of the origin server support.

This is a Measurement Factory project

Regards,
      Christos


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