Tag Archives: sftp

Fix Slow SFTP/SCP File Upload Rate and Stalling caused by TCP SACK

In brief, sometimes a conflict occurs between some firewalls and the TCP SACK. In my case, the upload was severely affected and reached upload speeds of a few kilobytes over a LAN! The following command disables TCP SACK and fixes … Continue reading

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Limit a Local System User Access to a Certain Folder when using SFTP on Linux (and disable SSH for him as well)

This situation might face a lot of us, if you have a certain file you want to share on your system using SFTP, but you don’t want that user to be able to: login via SSH and run any commands … Continue reading

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Setup an SSH/SFTP Server on Ubuntu

“sudo apt-get install openssh-server“ That’s it, you can now connect to your machine via SSH/SFTP from any other machine on the same network, it’s easy, fast and secure.

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