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 > >