A D V A N C E D F I Re W A L L Se T T I N G S - LevelOne WAB-3003 User Manual

4.3 .3 A d v a n c e d
Adv anced firewall set t ings are used t o sup p lement t he firewall rules, p rov iding ex t ra securit y
enhancement against DH C P and AR P t raffics t rav ersing t he av ailab le int erfaces of syst em.
♦ T rust I nt erf ace: Each int erface can b e check ed indiv idually t o mark
securit y enforcement s on DH C P/ AR P lik e DH C P snoop ing and AR P insp ect ion will b e carried
out on non-t rust ed int erfaces.
♦ D H C P Sno o p i ng : When enab led, DH C P p ack et s will b e v alidat ed against p ossib le t hreat s lik e
DH C P st arv at ion at t ack ; in addit ion, t he t rust ed DH C P serv er ( I P/ M AC ) can b e sp ecified t o
p rev ent rogue DH C P serv er.
♦ AR P I nsp ect i o n: When enab led, AR P p ack et s will b e v alidat ed against AR P sp oofing. T rust
L i st B ro ad cast can b e enab led t o let ot her WAB -3 0 0 3
t rust ed M AC / I P p airs t o issue AR P req uest s. St at i c T rust L i st can b e used t o add M AC
M AC / I P p airs t o issue AR P req uest . O t her net work
howev er, if t heir I P ap p ears in t he st at ic list ( wit h different M AC ) , t heir AR P req uest s will b e
drop p ed t o p rev ent eav esdrop p ing.
I f any set t ings are made, p lease click SAV E t o sav e t he configurat ion b efore leav ing t his p age.
F i r e w a l l S e t t i n g s
5 7
W AB -3 0 0 3 1 0 8 M
as t rust ed int erfaces;
( wit h L 2 firewall feat ure) learn t he
nodes can st ill send t heir AR P req uest s;
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