[Bug 1423498] Re: FTP upload causes squid hang

Andreas Hasenack andreas at canonical.com
Thu Sep 28 15:58:00 UTC 2017

Indeed it only happens with trusty at this point.

Updated test case:

sudo apt install squid3 proftpd-basic curl
echo -e "ubuntu\nubuntu" | sudo passwd ubuntu
touch /tmp/zero
ftp_proxy=http://localhost:3128/ curl --upload-file /tmp/zero ftp://ubuntu:ubuntu@localhost/

On affected versions, that will return an error from curl:
curl: (52) Empty reply from server

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  FTP upload causes squid hang

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