> Well if all of this true, it /should/ be possible to have a secured DB
> access system by using all of these:
> 1.  Non-standard access port

That simply requires an attacker to find out what ports are being used,
which is usually not difficult.

> 2.  Non-standard user names
> 3.  Enforced strong passwords that change periodically

Those would both help, certainly, but by themselves would probably not be
sufficient.

> 4.  Secured tunnel access (SSH, SSL, etc.)

That would secure access to the database to a sufficient degree for most
uses, as long as access can't be gained through brute-force attacks.

> 5.  Any other security practices I'm forgetting

One of those "other security practices" is, don't allow direct access to
your database.
 
> A few folks in this thread have mentioned 'big name' ISPs that allow
> remote DB administration, so it must not be considered a big security
> risk.  Either that, or money talks!  ;)

I would go with "money talks", actually.

There are a lot of reasons why they allow it, I'm sure. First of all, most
shared hosting customers are probably not that concerned with security. Most
probably don't have sensitive data. Most would rather be able to connect to
their database server. It's ok to value convenience over security, as long
as you're aware of the trade-off you're making.

Second, the security concerns of you and your ISP may differ somewhat. Your
ISP is probably more concerned that their servers will be rooted. You may be
more concerned about the integrity of your data. Granting remote access to
your database may not be a security issue for your ISP, even if it is for
you - this would depend on how the database server itself is configured.

Dave Watts, CTO, Fig Leaf Software
http://www.figleaf.com/

Fig Leaf Software provides the highest caliber vendor-authorized 
instruction at our training centers in Washington DC, Atlanta, 
Chicago, Baltimore, Northern Virginia, or on-site at your location. 
Visit http://training.figleaf.com/ for more information!


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