Khong hieu ta.i sao ba'c thi'ch iptables -A INPUT -j DROP dden nhu the^' :)
Ca'ch to^'t nha^'t la` kho^ng ne^n go~ no' sau khi cha.i Larry's script :)
Co`n ne^'u muo^'n xa`i no' thi` ddu+`ng cha.y Larry's script. Lu'c ddo'
ba'c se~ ddu+o+.c thoa? ma~n nhu+ y' ba'c muo^'n (no more INPUT
connectivity).
Larry's script co' la`m mo^.t trick nho? cho connections dda~ ddu+o+.c
ESTABLISHED/RELATED. Scrit na`y se~ cho phe'p INPUT vo+'i ddie^`u kie^.n
la` ba'c initiated the connection. Ho+i ra('c ro^'i ti' (iptables howto on
ESTABLISHED/RELATED).
Vi` ba'c cha.y ca'i iptables -A INPUT -j DROP sau khi cha.y Larry's cho
nen no' khong co' stop everything ta.i vi` no' ddu+ng dda(`ng sau Larry's
script. iptables works theo thu+' tu+. Tha(`ng rule na`o dden truoc la`
xai thang ddo' :)
>
> Da~ thu+? ca'i script cu?a Larry. Nhu+ng pha?i tru+o+'c he^'t go~ 2
> le^.nh
> # modprobe 3c59x
> # ifup eth0
> ro^`i cha.y ca'i script.
> Nhu+ng sau khi le^n ma.ng xong, ne^'u go~
> # iptables -A INPUT -j DROP
> thi` hi`nh nhu+ no' kho^ng a?nh hu+o+?ng gi`, vi` va^~n le^n ma.ng
> ddu+o+.c.
>
>
> La.i co`n mo^.t chuye^.n kha'c:
> Sau khi go~
> # iptables -A INPUT -j DROP
> ma` o+? trong Kmail dde^? soa.n meo RE, thi` go~ mo^.t ho^`i xong no'
> kho^ng cho nha^'n Queue nu+~a. Toa`n bo^. Kmail bie^'n tha`nh
> tra('ng, ma^'t he^'t ky' tu+. hie^?n thi..
>
> La.i mo'c console ra go~
> # iptables -F
> thi` sau ddo' la`m vie^.c bi`nh thu+o+ng (nhu+ng cu~ng pha?i re-open
> Kmail)
>
>
> Co`n vie^.c mua mo^.t ca'i router thi` . . . hehe. Nhu+ng nhu+ va^.y
> thi` pha?i bo? ca'i router hie^.n co' (do FPT cho chu`a) hay sao?
> Ca'i na`y cu~ng co' mo^.t nu't nha^'n va`o la` ta('t he^'t dde`n. Co'
> pha?i la` no' kho^ng?
> Ne^'u ta('t ba(`ng nu't na`y, ngay trong phie^n la`m vie^.c se~ kho^ng
> mo+? ON tro+? la.i ddu+o+.c nu+~a.
> --
> m k h _ s g n
>
>
>
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