At 07:35 PM 11/28/2006 +0000, Paul Hill wrote:
...

>You have to be careful about anonymous access.  Once I opened up a FTP
>server to allow a client to transfer some data and then forgot about
>it.  A few weeks later I looked in the folder to find a bunch of MP3s.
>  It seems people were using it to trade MP3s...

...

That is why I said you never allow the read/write permissions to the same 
FTP folder. You have a place where they can write, and a place where they 
can read. And those places are not the same. You won't get problems like 
what you described above if you set it up that way. And, like any thing 
else 'exposed' on your server, you need to monitor what's going on.

One of the reasons FTP has gotten a bad name is that a lot of FTP sites got 
set up without any detailed consideration of what might happen. So you hear 
about systems getting compromised because the FTP configuration allowed 
users to go bopping around the drive looking for files. Oddly enough, in 
the early days of the Internet, the Unix world was worse about their FTP 
configs than in the MS world (of course, the MS world was pretty far behind 
for a while and so wasn't a target I guess).

As for my experience, at one client site, there was a serious security 
breach. Their web pages, etc got hacked, data got messed up, etc. Yes, they 
used HTTPS. It was probably just a bad web page/asp/.net/whatever design. 
However, the systems that were using my architecture (with FTP) were not 
affected at all. They've never been hacked or breached. Don't take that the 
wrong way - any set up has the potential to be hacked.

-Charlie 



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