Block SQL Injection
frumentius at gmail.com
Thu Apr 21 01:22:49 MSD 2011
Put a daily backup on your databases. :)
On Thu, Apr 21, 2011 at 4:08 AM, Payam Chychi <pchychi at gmail.com> wrote:
> Ryan Malayter wrote:
>> On Wed, Apr 20, 2011 at 3:22 PM, Cliff Wells <cliff at develix.com> wrote:
>>> On Wed, 2011-04-20 at 13:05 -0400, jacppe wrote:
>>>> Hi all. Anybody know how can I block some characters for avoid SQL
>>>> Injection using Nginx as web server o HTTP reverse-proxy?
>>>> Thanks a lot.
>>> You can't really, unless you write a custom module. Rewrite rules won't
>>> help since they don't deal with the POST body. There may be some filter
>>> module I'm unaware of that could do it, but I'd still suggest you don't.
>>> It's much better to simply use software written by moderately capable
>>> developers. SQL-injection is so trivial to avoid at the application
>>> level that it's borderline unforgivable to find it in a modern web app.
>> Except when it's that eleventy-hundred-thousand-dollar application you
>> inherited from a departed CIO, and the vendor releases patches about
>> once a year, after which you then have to spend hundreds of man-hours
>> getting them though QA. Usually the app is from a "major enterprise
>> vendor" which took that departed CIO on a lot of golf trips. Note I am
>> *not* talking about Microsoft here - they're actually saintly by
>> Unfortunately, nginx is not an IPS or a Web Application Firewall. Both
>> with a little configuration. But good devices/software in this
>> category is very spendy. You may be able to block a specific attack
>> with some form of Regex filter in Apache, but that will be like
>> playing whack-a-mole, because there are undoubtedly other holes you
>> need to plug.
> Id recommend looking into http://www.greensql.net/ or get layer7
> application security provided by radware/juniper
> nginx mailing list
> nginx at nginx.org
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