[squid-dev] [PATCH] Native FTP relay for active FTP

[Alex]

Hello.

Recently I've noticed some issues in native FTP relay that made it unusable with active FTP mode (data connection was not established): http://lists.squid-cache.org/pipermail/squid-users/2017-February/014404.html

The attached patch allows FTP relay to work in NAT interception mode and also fixes IP address binding in TPROXY mode. Unfortunately, I have no idea on how to test TPROXY, but this patch should definitely make things better.
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