Linux jako firewall

[Matus Uhlar]

In cz.comp.linux Leos Bitto <bitto na kolej.mff.cuni.cz> wrote:

-> Je mi jasne ze pokud poslete paket s podvzenou adresou odesilatele tak ten
-> Linux posle ICMP zpravu na tu podvrzenou adresu. A to klidne i do vnitrni
-> (chranene) site. Ale nevidim v tom zadny bezpecnostni problem. 

dobry router by mal zistit ze z daneho smeru nemoze taky packet prist, a mal
by ho dropnut...
takze podvrhnute pakety by sa nemali dostat daleko...
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