Suehring, Steve <br/><br/>
Linux firewalls / 
Steve Suehring 
 - 3rd ed. 
 -  Pearson Education,  2006 
<br/><br/><label>ISBN: </label>8177589644 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Linux
<br/><br/><label>Dewey Class. No.: </label>005.8  / SUE