Tracker Bug 164

Slow file transfers

Last modified: 2009-08-19 08:39:24

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: Slow file transfers Bug# 164
: WinSCP : Unspecified
: Core : unspecified
Status: NEW : Medium
Resolution:   : Enhancement
Fixed in: ---
[View Bug Activity]
Description
2008-02-28 10:18
 Many users report WinSCP not to utilize all available bandwidth.

This topic is discussed in FAQ:
http://winscp.net/eng/docs/faq_slow
Comment #1
2008-02-28 10:26:01
 Releated: Bug #1, Bug #17.
Also WinSCP 4.1 will support (less secure) Arcfour cipher, which should be fast.
Comment #2
2008-02-28 10:52:09
 WinSCP (FAR plugin 1.5.1 base on WinSCP 3.8.2) is as fast as PSCP (8 MB/s) and SFTP (3 MB/s) (PuTTY 0.60):
http://winscp.net/forum/viewtopic.php?t=3137

WinSCP 3.8.2 is as fast on upload as SSH Secure Shell 3.2.9, but much slower on download on WinXP. On Win2K it is as fast:
http://winscp.net/forum/viewtopic.php?t=4684

Transfer rate is capped at 100KBps:
http://winscp.net/forum/viewtopic.php?t=5277
http://winscp.net/forum/viewtopic.php?t=5313

SCP significantly faster than SFTP:
http://winscp.net/forum/viewtopic.php?t=5096

http://winscp.net/forum/viewtopic.php?t=2455

PuTTY 0.59 much faster than 0.58:
http://winscp.net/forum/viewtopic.php?p=14104#14104
Comment #3
2009-03-02 08:22:55
 4.2.1 almost twice as fast as 4.1.8 on Windows Vista:
http://winscp.net/forum/viewtopic.php?t=6614
Comment #4
2009-07-03 08:13:29
 Suggestion for fixing network speed after installing SP2 for Vista:
http://winscp.net/forum/viewtopic.php?p=24994#24994
Comment #5
2009-08-19 08:39:24
 Fixing network speed in WinXP:
http://winscp.net/forum/viewtopic.php?p=25801#25801

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What is WinSCP?

WinSCP is an open source SFTP client and FTP client for Windows. Its main function is the secure file transfer between a local and a remote computer. Beyond this, WinSCP offers basic file manager functionality. It uses Secure Shell (SSH) and supports, in addition to Secure FTP, also legacy SCP protocol. [More]

WinSCP is also available as a plugin to two file managers, FAR and Altap Salamander.

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WinSCP is free, open-source software, and is distributed under the GNU General Public License (GPL). [More]

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