---
title: Slow Amazon EC2 rsync / SCP / SFTP upload speeds?
kind: blog
description: I experienced very slow speeds when uploading files to a small (m1.small) Amazon EC2 instance using the SCP and SFTP3 protocols with rsync, WinSCP and Tunnelier BitVise - around 30-40 kB/sec.
words: 36
readingMinutes: 1
created: '2010-01-13T18:51:27.000Z'
updated: '2026-06-27T21:03:45+02:00'
tags:
  - aws
  - system-administration
---
By simply switching the SSHd listening port to http (80), speeds went up to 1,4 MB/sec. Why Amazon would throttle the SSH port (22) I don't know, but I hope this helps somebody else out there.