The following forum message was posted by turbo2ltr at http://sourceforge.net/projects/s3tools/forums/forum/618865/topic/5263660:
s3cmd has been working great. Then all of a sudden a couple months ago maybe,
every night I get multiple "'Connection reset by peer" warnings. There are
random days that The whole backup happens without even one, but if it's a day
that it I do get them, I get a lot of them. Any ideas?