Karthik,
I have just re-iterated what Pid has already explained. I am not fast
enough.
+1 Pid
RGS
On 5/13/2010 6:10 PM, Pid wrote:
> On 13/05/2010 08:45, Karthik Nanjangude wrote:
>
>> Hi
>>
>> Spec :
>> JDK1.5
>> TOMCAT 6.0.20
>> O/s windows /Linux
>>
>>
>> Question : My web application uses "href" & "css based image's" for
>> transferring the request from 1 page to another
>> The problem is UserVisitor is clicking the image based
>> href MULTIPLE TIMES ( multiple clicks )
>>
> Why is this a problem?
>
>
>> <a href="image.jsp?mult=1" id='submitButton1'
>> onClick="this.onclick=function(){return false}" target="_self"
>> class="buttonRedSmall"><span>Submit Form</span></a></td>
>>
> 1. Unset the href value, or set it to '#image.jsp?mult=1". You can
> always set a timer, to remove the '#' after a couple of seconds, if the
> page hasn't changed.
>
> 2. Use a <button></button> instead and disable it during the first mouse
> down.
>
>
>> And causes the multiple form submits. How to prevent the same ?
>>
>> I googled / yahooed for Cross browser based tricks to disable the multiple
>> request...Not luck so far ...
>>
>> Can some body help me if Tomcat has any special features to prevent this
>> attack ....... :(
>>
> It doesn't.
>
>
> p
>
>