On Sun, 7 Nov 2004 11:49:47 +0700, [EMAIL PROTECTED]
<[EMAIL PROTECTED]> wrote:
> Hi All!
>
>
> # iptables -A INPUT -j DROP
> sau ddo' va`o web va^~n ddu+o+.c, kho^ng bi. a?nh hu+o+?ng gi` bo+?i le^.nh
> na`y. Va^.y co' pha?i ADSL ddu+o+.c config cho luo^n luo^n connect ma` kho^ng
> bi. nga('t?
ADSL modem luo^n connect , le^.nh tre^n chi? kho^ng accept ca'c open
connection request tu+` internet dde^'n ma'y ti'nh cu?a ba'c
vi' du. the^' na`y, khi ke^'t no^'i vao` internet ba'c se~ co' 1
public IP address la` 203.210.100.100, ne^'u ai ddo' ngoa`i internet
go~ ca'i URL http://203.210.100.100 thi` ho. se~ bi. IPtables deny
vo+'i connection request ddo'
>
> DDe^? ddo^'i chie^'u, va`o Debian, cu~ng go~ le^.nh nhu+ tre^n,
> sau ddo' va`o web kho^ng ddu+o+.c.
> Tie^'p go~:
> # iptables -F
> thi` trong X va`o web ddu+o+.c ngay, co' nghi~a do`ng le^.nh co' hie^.u qua?
> tu+'c tho+`i. La.i tie^'p go~ # iptables -A INPUT -j DROP thi`kho^ng truy
> ca^.p ddu+o+.c nu+~a.
iptables -F mang y' nghi~a la` flush all rules cu?a IPtales tu+'c la`
cho phe'p INPUT, OUTPUT, FORWARD
INPUT : chi? ca'c packets tu+` internet cha.y to+'i ma'y ti'nh cu?a ba'c
OUTPUT : chi? ca'c packets tu+` ma'y ti'nh cu?a ba'c cha.y ra internet
FORWARD : chi? ca'c packets di ngang qua ma'y ti'nh cu?a ba'c
no^m na ra la` : INPUT thi` cho phe'p kha'ch tha^.p phu+o+ng va`o nha`
mi`nh, OUTPUT la` cho dda'm con cha'u nha` mi`nh ddi ra ngoa`i tha?
phanh :-D
FORWARD thi` na na' nhu+ khi ba'c cha.y xe tre^n ddu+o+`ng va` ddi qua
tra.m soa't ve' va^,y :-D
> DDie^`u na`y dda'p u+'ng nhu ca^`u cu?a to^i, la` muo^'n sau mo^~i la^`n
> gu+?i/nha^.n email hay va`o website, khi thoa't ra la` to^i hoa`n toa`n
> disconnect ddu+o+.c ngay [cha^'p nha^.n la`m manual cu~ng ddu+o+.c].
>
> > So+? di~ va^.y la` vi` phie^'u ti'nh tie^`n ADSL tha'ng Oct2004 ho. ba'o
> ra(`ng dda~ ta?i dde^'n 3301MB, mo^.t con so^' kho' hie^?u qua' :-)!
ba'c muo^'n va^.y co' 2 ca'ch :
ca'ch 1 ra^'t chuo^'i nhu+ng la.i dda'p u+'ng ye^u ca^`u cu?a ba'c 1
ca'ch tuye^.t ddo^'i : ba'c ta('t be'ng ca'i Modem di la` xong :-D
ca'ch 2 thi` trong modem config se~ co' cho^~ cho phe'p tu+.
disconnect vo+'i ISP sau 1 khoa?ng tho+`i gian idle nha^'t ddi.nh,
ca'i na`y ba'c pha?i xem manual cu?a Modem dde^? bie^'t tho^i a.
co`n muo^'n cho+i sa`nh ddie^.u thi` thi` ba'c co' the^? nga^m cu+'u
rpppoe thi` pha?i, ca'i na`y theo cha'u bie^'t thi` pclouds dda~ va`
ddang du`ng , lu'c ddo' chi? ca^`n go~ command cho no' start hay stop
la` ca'i modem no' se~ nge lo+`i mi`nh ma` connect/disconnect
Chie^u du`ng software na`y co' the^? a'p du.ng cho mo.i distro
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