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FTP Transfer Very Slow When Windows Firewall Enabled

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http://serverfault.com – We have a scheduled task that transfers a large file (~130 MB) between two Windows servers using the Windows command-line FTP program. It's painfully slow (taking about 30 minutes) and occasionally terminates before the transfer has completed. The servers are 2003 (sending) and 2008 (receiving). If I transfer the file manually, using FileZilla's GUI, it runs considerably faster and is done in a couple of minutes. I can't use this approach though, because we want this to run automatically and FileZilla can't be scripted. I've also noticed, when I disable the Windows 2003 Firewall, command li (HowTos)

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Submitted by taskli on 01/25/2012 – Made popular on 01/25/2012

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