quote s ih sayta
Цитата:
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Hamachi is a UDP-based virtual private networking system. Its peers utilize the help of a 3rd node called mediation server to locate each other and to boot strap the connection between themselves. The connection itself is direct and once it's established no traffic flows through our servers.
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ispolzuetsya ih server dlia ustanovki connecta dlia nat traversal i nahojdeniya nod'ov.. v principe vse ochen securno, i esli est vozmojnost podniat ipsec mejdu 2mya setyami to hamachi ne nujen.. a esli vse klienti/seti s dynamic ip + NAT to ostaetsya tolko hamachi..
i sovetuyu pochitat _http://www.hamachi.cc/security
ps: eto eshe smotrya kakie trebovaniya k bezopasnosti)) dlia normalnogo ipsec tunelia naprimer obyazatelno chto bi u hostov bil propisan rdns.. a eto ne vsegda vozmojno