TY  - GEN
AU  - Cheswick, William R.
AU  - Bellovin, Steven M.
TI  - Firewalls and Internet security
SN  - 0201633574
PY  - 1994///
CY  - Boston
PB  - Addison-Wesley
KW  - COMPUTER NETWORKS-Security Systems
KW  - INTERNET
N1  - Bibliography and index included
ER  -