[linux-network] Re: iptables & ftp

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From: Enver ALTIN (ealtin@casdb.com)
Date: Wed 27 Aug 2003 - 11:13:39 EDT

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    On Wed, 2003-08-27 at 17:59, serdar@istas.com.tr wrote:
    > Komut satirindan ftp ftp.domain.com yaziyorum parola ve sifremi yazdiktan
    > sonra login oluyor. Ls ile liste almaya calistigimda oylece kaliyor ve bir
    > sure sonra time out veriyor

    FTP iki turlu yapilabilir:

    - Active FTP: ASCII ve BINARY transfer islemleri icin ek rastgele bir
    port, gerektiginde ftpd tarafindan acilir ve client buraya baglanir.

    - Passive FTP: Tum transfer islemleri port 21 uzerinden yapilir.

    Transferlerin nasil yapilacagina da client karar verir (PASV veya PORT
    komutuyla).

    Firewall sisteminiz uzerinde ip_conntrack_ftp modulunu yuklemeyi
    deneyin. Active FTP icin bu bir cozum olabilir. Tabii INPUT chain
    icerisinde --state RELATED -j ACCEPT bulundugunu varsayarak.

    -HTH 

    -- 
Enver ALTIN (a.k.a. skyblue)	- Software developer, generic solvent
http://enver.casdb.com/		- mailto: ealtin at casdb dot com
http://enver.casdb.com/CV.html	- Just me, myself and I.
"I thought you were trying to get into shape."
"I am. The shape I've selected is a triangle."
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