[squid-users] squid 5.7 FTP upload fails

[Alex Rousskov]

On 2024-08-08 06:19, Matus UHLAR - fantomas wrote:
>> On 2024-08-07 13:05, Matus UHLAR - fantomas wrote:
>>> after we upgraded squid 4.13 to squid 5.7 (debian 11 to 12)
>>> our user reported that attempring to uploading bigger files fails.
> 
> On 07.08.24 14:31, Alex Rousskov wrote:
>> Thank you for sharing access.log records. Any relevant messages in 
>> cache.log?
> 
> No. 

Thank you for answering all of my questions.


> Perhaps configuring proper debug_options, but which?

Yes, we should escalate triage to debugging log analysis. I am willing 
to study your ALL,9 cache.log collected from Squid v6 while reproducing 
the problem using a single transaction (or as few transactions as 
possible). Please share a pointer to compressed cache.log file 
(privately of needed). You probably do not need them, but there are a 
few relevant hints at 
https://wiki.squid-cache.org/SquidFaq/BugReporting#debugging-a-single-transaction


Thank you,

Alex.


>> There were a few bug fixes related to FTP and uploads, but I do not 
>> see some of them in (unsupported) v5. Does your test work with Squid v6+?
> 
> I tried with squid 6.10 (manually backported from debian unstable).
> The same behaviour.
> 
>>> # time curl -v --no-progress-meter -x 10.X.Y.Z:port -T 
>>> gnome-cards-data_3.22.23-1_all.deb -u "anonymous:proxy1 at example.com" 
>>> ftp://example.net/incoming/
>>> *   Trying 10.X.Y.Z:port...
>>> * Connected to 10.X.Y.Z (10.X.Y.Z) port port (#0)
>>> * Server auth using Basic with user 'anonymous'
>>>> PUT 
>>>> ftp://anonymous:proxy1%40example.com@example.net/incoming/gnome-cards-data_3.22.23-1_all.deb HTTP/1.1
>>>> Host: example.net:21
>>>> Authorization: Basic YW5vbnltb3VzOnByb3h5MUB2c3pwLnNr
>>>> User-Agent: curl/7.74.0
>>>> Accept: */*
>>>> Proxy-Connection: Keep-Alive
>>>> Content-Length: 10526800
>>>> Expect: 100-continue
>>>>
>>> * Done waiting for 100-continue
>>> } [65536 bytes data]
>>> * Recv failure: Connection reset by peer
>>> * Closing connection 0
>>> curl: (56) Recv failure: Connection reset by peer
>>>
>>> real    0m1.043s
>>> user    0m0.004s
>>> sys     0m0.012s
>