TY  - BOOK
AU  - Ziegler, Robert.
TI  - Linux firewalls / Robert Ziegler
SN  - 073570900
CY  - Indianapolis, Ind. : New RideRed Sport, c2000.
PB  - Indianapolis, Ind. : New Riders, c2000.
KW  - Computers -- Access control.   Firewalls (Computer security)      Linux.      Operating systems (Computers)
ER  -