Re: PHP 5.1

Hello Rasmus, Wednesday, February 2, 2005, 11:07:55 PM, you wrote: > Marcus Boerger wrote: >>>Well, people turn on safe mode just because the name implies that things >>>are safe too - which is wrong. I agree with Ilia, we should not mangle >>>request data by default. It's fine to provide filter functions but the >>>normal post/get/cookie data should be normally available through GET and >>>POST - this is starting to look like another magic_quotes. A bad thing! >> >> >> Besides that turning on by default could turn out to become a major BC. > I have never suggested it should be on by default. I specifically > stated that it shouldn't be on by default. Ups i've read to fast then, sorry. > And of course it could break > certain applications if you turn it on. When you look at web apps out > there you see elaborate schemes to filter input data that are often > wrong. And even if they are right, they forgot to filter the state > drop-down select list, for example. I mean they only provided a bunch > of 2-letter state abbreviations for the user to choose between so they > don't think to filter that particular field. You'd be amazed how many > places you can spoof a form and send state=CA<javascript hack> back to > it. We need a way to apply a default security policy for all input data > which can then be loosened for specific fields, like the text area field > of a forum application. Think of it in firewall terms. A decent > firewall starts with everything blocked and then you poke a few holes in > it where you need them. A firewall which has everything open by default > and you have to specifically block individual ports you think may be > evil yourself is never going to be anywhere near as effective. > TCP/IP Firewalls break all sorts of applications as well until either > the application is modified to poke a hole in the firewall itself via > upnp, or you reconfigure the firewall. This makes firewalls annoying, > but they are necessary. This is exactly the same thing. It is a data > firewall for PHP. You don't have to use it, but people want it and need it. Agreed! -- Best regards, Marcus mailto:helly@php.net