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HTTP Proxy responses are logged char by char

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RamonCar
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España

HTTP Proxy responses are logged char by char

Dear forum readers,
I am experiencing a strange behavior when logging is enabled and HTTP proxy is enabled. The responses returned by the HTTP proxy seems to be written to the log file as if it were constructed char by char. Here is an example, because it is difficult for me to describe in english...

. 2018-02-19 22:26:20.463 --------------------------------------------------------------------------
. 2018-02-19 22:26:20.479 Connecting to host.domain.com ...
. 2018-02-19 22:26:20.510 HTTP proxy command: CONNECT host.domain.com:21 HTTP/1.1

. 2018-02-19 22:26:20.510 Host: host.domain.com:21

. 2018-02-19 22:26:20.510

. 2018-02-19 22:26:20.510 Connection with proxy established, performing handshake...
. 2018-02-19 22:26:20.573 HTTP proxy response: HTTP/1.0 200 Connection established

. 2018-02-19 22:26:20.573 HTTP proxy response: HTTP/1.0 200 Connection established

. 2018-02-19 22:26:20.573 X
. 2018-02-19 22:26:20.573 HTTP proxy response: HTTP/1.0 200 Connection established

. 2018-02-19 22:26:20.573 X-
. 2018-02-19 22:26:20.573 HTTP proxy response: HTTP/1.0 200 Connection established

. 2018-02-19 22:26:20.573 X-B
. 2018-02-19 22:26:20.573 HTTP proxy response: HTTP/1.0 200 Connection established

. 2018-02-19 22:26:20.573 X-Bs
. 2018-02-19 22:26:20.573 HTTP proxy response: HTTP/1.0 200 Connection established

. 2018-02-19 22:26:20.573 X-Bst
. 2018-02-19 22:26:20.573 HTTP proxy response: HTTP/1.0 200 Connection established

. 2018-02-19 22:26:20.573 X-Bst-
. 2018-02-19 22:26:20.573 HTTP proxy response: HTTP/1.0 200 Connection established
.....More lines.....
. 2018-02-19 22:26:20.573 X-Bst-Request-Id: r
. 2018-02-19 22:26:20.573 HTTP proxy response: HTTP/1.0 200 Connection established
.....

At the end, if the response has about 100 characters, I get 300 lines in the log file for each response, which makes quite difficult to review it (apart from waste of space).

I noticed this behaviour on version 5.11.2, and I have verified that version 5.13 still exhibit the same problem.
Have you found a similar behavior?
Is there something I can do to avoid it?

This is my WinSCP command: 

WinSCP.exe /log="%logPath%\RX-%dt%.log" /ini=nul /command "option batch abort" "option confirm off" "open ftp://user:password@host.domain.com/ -rawsettings ProxyMethod=3 ProxyHost=proxy.proxydomain.com ProxyPort=8081" "cd \OUT\" "get -delete * %dataPath%\files\rem2loc\*.txt" "exit"

Any help will be appreciated

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RamonCar
Joined:
Posts:
5
Location:
España

Hello,
I post a complete log of a connection for downloading from a remote server, where no files to download were available.
I have globaly changed host names in order to preserve my customer privacy.

The command for downloading was: 

%sftp% /log="%logPath%\CustomerA-TR-%dt%.log" /ini=nul /command "option batch abort" "option confirm off" "open ftp://user:***@customer.domain.com/ -rawsettings ProxyMethod=3 ProxyHost=proxy.proxydomain.com ProxyPort=8081" "cd \OUT\" "get -delete * %dataPath%\CustomerA\remote2local\*.txt" "exit"

Thanks all for your help
  • WinSCP-001.log (49.13 KB, Private file)

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RamonCar

Dear Martin,
Thanks very much for the update. This version worked perfectly, no log overhead during proxy protocol responses. Can I keep this version in production?
Kind regards

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