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Re: Validate Radio Buttons?

From Jerry Stuckle <jstucklex@attglobal.net>
Newsgroups comp.lang.php
Subject Re: Validate Radio Buttons?
Date 2013-07-31 15:07 -0400
Organization A noiseless patient Spider
Message-ID <ktbmss$41m$1@dont-email.me> (permalink)
References <ktbkh6$j00$1@speranza.aioe.org>

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On 7/31/2013 2:20 PM, Twayne wrote:
> Hi all,
>
> I was wondering what the general consensus might be on this:
>
> Should one Validate Radio Buttons for an online website contact form?
>
> I've always thought they needed nothing but validation to see if they'd
> been used or not before accepting them, and sending the user back to the
> website Home Page.
>     I've used Referrer to check the pages the visitor came from, gotten
> his IP or proxy identifier IP and used Control Cache and Pragma plus
> $referrer to check that the visitor arrived from the website and nowhere
> else,  to try to be sure you can't go back to any previous page and find
> the data still in tact; sessions are always destroyed when any error
> shows up.  A counter tells  me how many attempts were made from the same
> IP or Proxy and after 3 attempts the visitor is banned for a few hours.
> Two sets of 3 failed attempts will ge him banned permanently.
>
> BUT, does any of that negate the need to Validate a Radio Button Click?
> http://phpmaster.com/form-validation-with-php/ seems to think so, but
> the code they suggest isn't exactly simple and it takes a lot of code.
>
> I'm willing to be called wrong; no problem at all.
>
> So, what do YOU think?
>
> TIA & Regards,
>
> Twayne`

Good practice means you ALWAYS validate ALL information from the user. 
You may have a radio button on your form - but there is no guarantee the 
request comes on from your form.

I can easily build a page which has invalid information and submit it to 
your site.  Or even use tools like cURL to feed your site invalid 
information.

-- 
==================
Remove the "x" from my email address
Jerry Stuckle
JDS Computer Training Corp.
jstucklex@attglobal.net
==================

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Thread

Validate Radio Buttons? Twayne <nobody@spamcop.net> - 2013-07-31 14:20 -0400
  Re: Validate Radio Buttons? The Natural Philosopher <tnp@invalid.invalid> - 2013-07-31 20:00 +0100
    Re: Validate Radio Buttons? Twayne <nobody@spamcop.net> - 2013-08-01 17:11 -0400
  Re: Validate Radio Buttons? Jerry Stuckle <jstucklex@attglobal.net> - 2013-07-31 15:07 -0400
    Re: Validate Radio Buttons? Denis McMahon <denismfmcmahon@gmail.com> - 2013-07-31 21:37 +0000
      Re: Validate Radio Buttons? Twayne <nobody@spamcop.net> - 2013-08-01 16:47 -0400
        Re: Validate Radio Buttons? Jerry Stuckle <jstucklex@attglobal.net> - 2013-08-01 17:25 -0400
          Re: Validate Radio Buttons? Twayne <nobody@spamcop.net> - 2013-08-01 17:53 -0400
            Re: Validate Radio Buttons? Jerry Stuckle <jstucklex@attglobal.net> - 2013-08-01 19:50 -0400
    Re: Validate Radio Buttons? Twayne <nobody@spamcop.net> - 2013-08-01 17:16 -0400
      Re: Validate Radio Buttons? The Natural Philosopher <tnp@invalid.invalid> - 2013-08-02 00:40 +0100
        Re: Validate Radio Buttons? Jerry Stuckle <jstucklex@attglobal.net> - 2013-08-01 20:09 -0400
        Re: Validate Radio Buttons? Twayne <nobody@spamcop.net> - 2013-08-02 19:42 -0400
          Re: Validate Radio Buttons? Jerry Stuckle <jstucklex@attglobal.net> - 2013-08-02 19:56 -0400
            Re: Validate Radio Buttons? Twayne <nobody@spamcop.net> - 2013-08-04 11:57 -0400
              Re: Validate Radio Buttons? Jerry Stuckle <jstucklex@attglobal.net> - 2013-08-04 22:06 -0400
                Re: Validate Radio Buttons? Twayne <nobody@spamcop.net> - 2013-08-05 11:17 -0400
                Re: Validate Radio Buttons? Jerry Stuckle <jstucklex@attglobal.net> - 2013-08-05 11:33 -0400
      Re: Validate Radio Buttons? Jerry Stuckle <jstucklex@attglobal.net> - 2013-08-01 19:53 -0400
        Re: Validate Radio Buttons? Christoph Michael Becker <cmbecker69@arcor.de> - 2013-08-02 03:25 +0200
          Re: Validate Radio Buttons? Jerry Stuckle <jstucklex@attglobal.net> - 2013-08-01 22:10 -0400
            Re: Validate Radio Buttons? Twayne <nobody@spamcop.net> - 2013-08-02 20:06 -0400
              Re: Validate Radio Buttons? Jerry Stuckle <jstucklex@attglobal.net> - 2013-08-02 20:20 -0400
          Re: Validate Radio Buttons? - LiveHTTP headers bill <william@TechServSys.com> - 2013-08-02 08:05 -0400
            Re: Validate Radio Buttons? - LiveHTTP headers The Natural Philosopher <tnp@invalid.invalid> - 2013-08-02 13:21 +0100
            Re: Validate Radio Buttons? - LiveHTTP headers Jerry Stuckle <jstucklex@attglobal.net> - 2013-08-02 08:44 -0400
          Re: Validate Radio Buttons? Twayne <nobody@spamcop.net> - 2013-08-02 19:51 -0400
        Re: Validate Radio Buttons? Twayne <nobody@spamcop.net> - 2013-08-02 19:47 -0400
          Re: Validate Radio Buttons? Jerry Stuckle <jstucklex@attglobal.net> - 2013-08-02 19:54 -0400
      Re: Validate Radio Buttons? Scott Johnson <noonehome@chalupasworld.com> - 2013-08-01 16:54 -0700
        Re: Validate Radio Buttons? Twayne <nobody@spamcop.net> - 2013-08-02 20:10 -0400
          Re: Validate Radio Buttons? Scott Johnson <noonehome@chalupasworld.com> - 2013-08-02 17:21 -0700
  Re: Validate Radio Buttons? RESOLVED Twayne <nobody@spamcop.net> - 2013-08-04 16:17 -0400

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