Strassberg, Keith E. & Richard j. Gondek & Gary Rollie <br/><br/>
The complete Reference Firewalls 

 - India  Tata McGraw-Hill  2003 
 - 944  PB 
<br/><br/><label>ISBN: </label>0070583110 
<br/><br/><label>Dewey Class. No.: </label>005.8FIR