TY  - BOOK
AU  - Cheswick, WR.
AU  - Bellovin, SM.
TI  - Firewalls and internet security repelling the wily hacker
SN  - 0-201-63357-4
AV  - TK5105.875.157C44 1994 
PY  - 1994///
CY  - Massachusetts
PB  - Addison-Wesley
KW  - Internet (Computer netwaorks)
N1  - Includes bibliographical references and index
UR  - https://opac.library.strathmore.edu/cgi-bin/koha/opac-detail.pl?biblionumber=6761&fbclid=IwAR00BaXABblxAJdfgvDih1Tzo2HJ-jaNN-nnONbcpAWunaqq6OY-wkc2k6A
ER  -