Cheswick, William R. <br/><br/>
Firewalls and internet security :  repelling the wily hacker / 
By William R Cheswick, Steven M Bellovin and Aviel D Rubin. 
 - 2nd ed. 
 - New Delhi :  Pearson Education ,  2011. 
 - xx,433p. ;  PB  24.5 cm 
<br/><br/><label>ISBN: </label>9788131705605 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Safer tools and services<br/>Protecting an organization<br/>Lessons learned
<br/><br/><label>Dewey Class. No.: </label>005.8  / CHEW