Answer Posted / jitendera sinha

i know most of you are not awrae of the firewall
so i am providig the answers
firewall is a router type divice but not a rputer which act
as a boder betwenn externel network(LIKE internet)and
internel network that is private network
it act as a border in a such maneer that it doesnot allow
the unwanted trafic from out side to inside
there are two tye of firewall
s/w based (YOU HAVE ON YOUR WINDOWX XP CHECK IT OUT)
and hardwair bassed
like cisco sonicfirewall and more

ciscp [pix 501 is a cisco brand firewall and it have 3
interfaec
1 intside intrefafec -through that internel lan is conected
2 ouside interfae-thriugh thatexternel network is conected
3 one is dmz

i will expalin it latter till then i am waitng for your
reply now have give you introductio trying to find it all
interfaec working principle nither at last hera i am and
sudeep is there for helping all of us

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