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From: venom at (VeNoMouS)
Subject: How secure is PHP ?

im assusing your talking about php with apache if so use php_admin_value 
openbase_dir, i would also use php-exec-dir patch, to block all executables 
so they cant jump outside to other dirs with normal binarys.

----- Original Message ----- 
From: "J b" <>
To: <>
Cc: <>
Sent: Friday, November 05, 2004 8:54 AM
Subject: Re: [Full-Disclosure] How secure is PHP ?

>> However, when browsing the web, I found an article
>> which said that "it requires an expert to lockdown
>> php" (Sorry, but I can't quite recall the URL).
>> While I am not a novice, I am defintely not an
>> expert either - expecially on security issues.
>> So, I'd like to ask the members of this list - how
>> difficult is it to secure php ? Do you really need
>> a security "expert" to do this ?
>> P.S. The few hundred students mentioned above are
>> IT students ;-)
> I think one thing worth mentioning is that in
> *most* PHP installations, the PHP code will be
> executed as the web server user.
> This means that the several hundred IT students
> will be able to read each other's code and write
> to each other's datastores. Most students will
> have to chmod a+w any files or directories
> that will be modified by their PHP code.
> There are several ways around this, but it does
> take more configuration and security smarts to
> implement. This "vulnerability" (if you can call
> it that) exists in just about every multi-user web
> system out there, so it's probably worth your time
> to investigate different security mechanisms.
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