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W(wng)j(lu)ַD(zhun)QNetwork Address TranslationNATһNھW(wng)j(lu)ϵĵַD(zhun)Qg(sh)ԌW(wng)j(lu)еһ(g)IPַD(zhun)Qһ(g)IPַԌ(sh)F(xin)W(wng)j(lu)[غͰȫđ(yng)c(din) 1. NATṩW(wng)j(lu)[عԌ(ni)W(wng)j(lu)IPַD(zhun)QⲿW(wng)j(lu)IPַĶ(sh)F(xin)(ni)W(wng)j(lu)[o(h)(ni)W(wng)j(lu)İȫ 2. NATṩW(wng)j(lu)LƹԌ(ni)W(wng)j(lu)IPַD(zhun)QⲿW(wng)j(lu)IPַĶⲿW(wng)j(lu)(du)(ni)W(wng)j(lu)Lo(h)(ni)W(wng)j(lu)İȫ 3. NATṩW(wng)j(lu)ؓ(f)dԌ(g)(ni)W(wng)j(lu)IPַD(zhun)Qһ(g)ⲿW(wng)j(lu)IPַĶ(sh)F(xin)(g)(ni)W(wng)j(lu)ؓ(f)d߾W(wng)j(lu)Чʡ 4. NATṩW(wng)j(lu)İȫԌ(ni)W(wng)j(lu)IPַD(zhun)QⲿW(wng)j(lu)IPַĶֹⲿW(wng)j(lu)(du)(ni)W(wng)j(lu)Ĺo(h)(ni)W(wng)j(lu)İȫ W(wng)j(lu)ַD(zhun)QһNõľW(wng)j(lu)g(sh)ṩW(wng)j(lu)[Lؓ(f)dͰȫЧرo(h)W(wng)j(lu)İȫ W(wng)j(lu)ַD(zhun)Q NATIP Network Address Translator Network Address Translation W(wng)j(lu)ַD(zhun)QBasic NATһNһM IP ַӳ䵽һM IP ַļg(sh)@(du)KÑ(li)fW(wng)j(lu)ַ˿D(zhun)QNAPTһNȺwW(wng)j(lu)ַ䌦(du)(yng) TCP/UDP ˿ڷgɆ(g)W(wng)j(lu)ַ䌦(du)(yng) TCP/UDP ˿ڵķ@ɷNy(tng) NAT ṩһNC(j)ֻ˽еַă(ni)I(lng)BӵȫΨһע(c)ַⲿI(lng) ڱԭ IP W(wng)ϷW(wng)j(lu)ă(ni) IP ַo(w)ⲿW(wng)j(lu)ʹãͮa(chn) IP ַD(zhun)QW(wng)j(lu)ľW(wng)j(lu)?f)Y(ji)(gu)ԶNʽ׃˾Q(yng)ؽM˾ɾW(wng)j(lu)߹(yng)̺ϲɢһⲿ?f)Y(ji)(gu)׃ؾW(wng)j(lu)ĵַҲ횸׃Էӳⲿ׃ͨ^@Щ׃چ(g)ַD(zhun)Q·W(wng)Ñ֪@Щ׃ַD(zhun)QSC(j)ă(ni)W(wng)j(lu)LⲿW(wng)j(lu)SⲿLxıC(j)(du)һ(g)C(j)(gu)W(wng)j(lu)Ҫڃ(ni)(w)HЕr(sh)ⲿL @NǺmõ ʹ@ND(zhun)QһƵ(hu)ԒՈ(qng)푑(yng)İl(f)ͱ횽(jng)^ͬ NAT ·߅·ϰb NAT ܴ_@һ^߅·ԓΨһн(jng)^ IP Ҫô(li)ڴҪô_(d)߀ʹö NAT O(sh)_@һ^̡ NAT Q䲻֮̎H(qing)ľW(wng)j(lu)B(ti)a(b) IP ַˌ(du)˵ҪY(ji)ǣڴ NAT O(sh) IPSec CĶˌ(du) IP W(wng)j(lu)(j)ȫo(w)(yng)õKC(j)˷ă(yu)(sh)DzҪ׃C(j)·ͿֱӰb NAT f(xi)hY(ji)(gu) NAT һ(g)^һ(g)Y(ji)(gu)f(xi)h
W(wng)j(lu)ַD(zhun)Q NATIP Network Address Translator Network Address Translation W(wng)j(lu)ַD(zhun)QBasic NATһNһM IP ַӳ䵽һM IP ַļg(sh)@(du)KÑ(li)fW(wng)j(lu)ַ˿D(zhun)QNAPTһNȺwW(wng)j(lu)ַ䌦(du)(yng) TCP/UDP ˿ڷgɆ(g)W(wng)j(lu)ַ䌦(du)(yng) TCP/UDP ˿ڵķ@ɷNy(tng) NAT ṩһNC(j)ֻ˽еַă(ni)I(lng)BӵȫΨһע(c)ַⲿI(lng) ڱԭ IP W(wng)ϷW(wng)j(lu)ă(ni) IP ַo(w)ⲿW(wng)j(lu)ʹãͮa(chn) IP ַD(zhun)QW(wng)j(lu)ľW(wng)j(lu)?f)Y(ji)(gu)ԶNʽ׃˾Q(yng)ؽM˾ɾW(wng)j(lu)߹(yng)̺ϲɢһⲿ?f)Y(ji)(gu)׃ؾW(wng)j(lu)ĵַҲ횸׃Էӳⲿ׃ͨ^@Щ׃چ(g)ַD(zhun)Q·W(wng)Ñ֪@Щ׃ַD(zhun)QSC(j)ă(ni)W(wng)j(lu)LⲿW(wng)j(lu)SⲿLxıC(j)(du)һ(g)C(j)(gu)W(wng)j(lu)Ҫڃ(ni)(w)HЕr(sh)ⲿL @NǺmõ ʹ@ND(zhun)QһƵ(hu)ԒՈ(qng)푑(yng)İl(f)ͱ횽(jng)^ͬ NAT ·߅·ϰb NAT ܴ_@һ^߅·ԓΨһн(jng)^ IP Ҫô(li)ڴҪô_(d)߀ʹö NAT O(sh)_@һ^̡ NAT Q䲻֮̎H(qing)ľW(wng)j(lu)B(ti)a(b) IP ַˌ(du)˵ҪY(ji)ǣڴ NAT O(sh) IPSec CĶˌ(du) IP W(wng)j(lu)(j)ȫo(w)(yng)õKC(j)˷ă(yu)(sh)DzҪ׃C(j)·ͿֱӰb NAT f(xi)hY(ji)(gu) NAT һ(g)^һ(g)Y(ji)(gu)f(xi)h
Ǹ(y)ă(ni)ܰ(qun)o(h)(f)۳Δ(sh)Δ(sh)r(sh)踶M(fi)ُ(gu)I
dՈ(qng)c(din)c(din)̎d
ߴaM(fi)ɏ(f)
(sh)־W(wng) | | ԣU | tornado | CRNTI | | ãģ | QC(j)Ⱥ | ӣУ | ӣãƣģͣ | Ї(gu)(lin)ͨVֹ˾ | ·ͨ |
Ƅ(dng)ͨžW(wng) | ͨ˲žW(wng) | ־ | F(tun)(du) | ؟(z) | P(gun)~ |