The^m 1 die^`u la. trong LAN nu+~a, tre^n ly' thuye^'t em du+o+.c ho.c
thi` ca'c router cu~ng nhu+ ca'c PC mie^~n la` co' card ma.ng. Khi 1
packet to+'i mi`nh, eth card se~ kie^?m tra di.a chi? di'ch de^'n cu?a
packet thi` se~ forward no' du+.a theo routing table. Gia? su+? ca'c ma'y
trong LAN de^`u co' 1 rule la` packet co' di.a chi? di'ch la 0.0.0.0 thi`
se~ forward qua 10.2.0.1 ... Trong tru+o+`ng ho+.p cu?a em thi` em da~
co^' ti`nh thay vi` forward qua 10.2.0.1 thi` em forward qua 1 ma'y ba^'t
ki` na`o do' tre^n LAN vo+'i gateway la` 0.0.0.0 ... The^' nhu+ng die^`u
la. la` ca'c packet de^`u bi. discard o+? da^u do' ... chu+' no' kho^ng
forward giu`m mi`nh sang 10.2.0.1 ... Mong ca'c ba'c gia?i thi'ch the^m
cho 'con tre?' die^`u ngo^. na`y !!! (Ca'i chuye^.n forward package la`
no' na(`m o+? lo+'p thu+' 3 cu?a OSI ... hoa(.c la` layer thu+' 2 cu?a
TCP/IP the^' thi` no' da^u di'nh gi` de^' App Layer tre^n ca'c ma'y PC
da^u tu+'c la` ne^'u ai do' xa`i ZoneAlarm hay set firewall thi` da^u
a?nh hu+o+?ng gi`)
On Tue, 16 Nov 2004, Le Thanh Phong wrote:
>
> Huhu nhu+ng ma` em co' pha.m to^.i gi` da^u ma` admin la.i la`m the^'
> chu+' ...huhuhu :(( ... nhu+ng muh no'i ve^` chuye^.n die^`u chi?nh route
> thi` hi`nh nhu+ la impossible. Khi du`ng le^.nh add route nhu+ sau:
>
> # route add -net 0.0.0.0 netmask 0.0.0.0 gw 0.0.0.0
> thi Linux la.i ba'o la` invalid, route cho LAn nhu sau:
>
> Destination Gateway Genmask
> 10.2.0.0 0.0.0.0 255.255.240.0 ....
>
> Hoac neu chung ta them route cho Internet (0.0.0.0/0) tho^ng qua gateway
> la` 0.0.0.0 nhu+ le^.nh tre^n thi` co`n ca'ch na`o kha'c kho^ng ? Muh sao
> Linux la.i ba'o la` invalid nhi?
>
>
> On Tue, 16 Nov 2004, Larry Nguyen wrote:
>
> > On 2:10:46 pm 11/16/04 Le Thanh Phong <[EMAIL PROTECTED]> wrote:
> > > Cha`o ca'c ba'c,
> > >
> > > Ma'y cu?a em la` na(`m trong LAN va` su+? du.ng Internet tho^ng qua
> > > proxy server. Cha(?ng bi't vi` le~ na`o ma` ca'c ma'y o+? ca'c pho`ng
> > > kha'c de^`u co' the^? ping du+o+.c ca'i proxy server de^? va`o
> > > Internet, co`n ma'y em thi` kho^ng (kho^ng pha?i lo^~i ca^'u hi`nh
> > > hay card ma.ng vi` ma'y em de^`u co' the^? ping du+o+.c ca'c ma'y
> > > kha'c trong LAN tru+` ca'i proxy server.
> >
> > heheeh sao ba'c 0 fix o+? dda^y truoc chu+' co`n ti'nh chuye^.n ddo^?i
> > packet qua ma'y ba.n chi cho ra('c ro^'i. Xem thu+? admin co' block IP ma'y
> > ba'c access proxy server 0?
> >
> >
> > -Larry
> >
> >
> >
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>
> Phong [Zeronen]
>
>
> -------------------------------------------------------
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> FREE OODBMS DOWNLOAD - A multidimensional database that combines
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Phong [Zeronen]
-------------------------------------------------------
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