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Tag Archives: ipv4
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
Posted in Linux, Uncategorized
Tagged file-transfer, ip, ipv4, scp, sftp, sysctl, tcp_sack, Ubuntu, upload
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Just Some Techie Notes! 