Opportunity a): An option or interface to prevent or alert any kind of non-secure 
             authentication mechanisms over internet say without https ...say
             a lock or a indicator as part of the browser , similarlly ...an
             interface on the above lines to prevent non https or non-secure 
             surfing ...prevent phising etc.

 
             Given the context and in conjuction with above a handshake based
             protocol at network driver level that takes cares of all external
             communications ...hence translating at the port level to would be
             a more ideal proposition ...for more information refer to the
             document as referred below


             Also all data transmissions and interaction with a client and server 
             in the context of www or internet ...what is termed or nomenclated
             or christined or comparable or interpretable as a SESSION should be
             conducted under expirable state URL's viz. using the protocol https
             or ssh sessions ...thus the intermediary access points or those that
             are visible in firewalls-proxies-routers...viz. trail of the users
             using the medium should not be able to exploit or miss-used(phising,
             hacking ...etc ).


Opportunity  b): The basic most vulnerabilities of  electronic mediums www , internet , fax for that
                       matter any of  the digital communication mediums , they being
                       marketed as a publishing cum communication mediums

                       scope and fact for in-security arising out of  the fact that any or all of the data
                       potentially being manipulated or edited ...basic fact being any data broadcasted or published
                       being subject to dynamic data modification ....refer to the document projects.pdf, regular
                       expressions that can intercept any data broadcasted based who,when,where, towhom etc
                       giving neither the authenticity nor guarantee ...

                       keeping aside the above vulnerabilities ....further to as published in projects.pdf or as envisaged
                       else-where by this individual ....legitimacy can be established to an extent data published on the
                       medium www to an extent ....by having web-servers that have verisioning of content published
                       to them ....and in-addition usage of  data-mediums on the server ....that have disks manufactured
                       of  say kind of  CD or DVD , (while cd/dvd-read-write ...being valid and in vogue), scope for a non editable
                      storage-mediums (much like a x-ray-film  ...usage of  apt  chemical molecular component to achieve
                      the objective ...the guarantee for usage of the same being circumspect to human enterprise),
                       optical-writers ....and  packaging the same in appropriate access medium to give ideal i/o through
                      put  or having cache-content-servers infront  ...solving the i/o through-put to an extent should
                      provide legitimacy to the medium to an extent.

Opportunity c): read through opportunity_exploit_DNSwithNAT.txt ,
                                        opportunity_extensions_email_protocols(?).txt, opportunity b) from the above.
                                        


Note: The above problem statement having been encountered in various scenarios
      and detailed in various 'Proof of concepts' as mentioned in 
      
       http://uk.geocities.com/ravivenkatus/projects.pdf
       http://ravishankarkv.tripod.com/projects.pdf
        ....apply appropriate
      'use-case' modeling, rationalize and arrive at a workable and feasible 
       solution both commercially and techinically viable.