From: "Kharitonov A. Dmitry" <kharpost@rambler.ru>
To: shaba@altlinux.ru,
ALT Linux sysadmin discuss <sysadmins@lists.altlinux.org>
Subject: Re: [Sysadmins] iptables и ftp --- фича или баг?
Date: Thu, 20 Nov 2008 08:42:06 +0300
Message-ID: <4924F8AE.4060500@rambler.ru> (raw)
In-Reply-To: <b966c1e40811191447w6a26ea5ep417b71ec998f8633@mail.gmail.com>
Alexey Shabalin пишет:
> 2008/11/19 Kharitonov A. Dmitry :
>
>> [user@SERVER ~]$ sudo lsmod | egrep "ftp|ipt"
>> ipt_MASQUERADE 7808 1
>> ipt_REJECT 9472 705
>> iptable_mangle 7040 0
>> iptable_nat 11652 1
>> iptable_filter 7168 1
>> ip_tables 17604 3 iptable_mangle,iptable_nat,iptable_filter
>> ipt_REDIRECT 6272 0
>> ipt_LOG 10496 0
>> x_tables 18180 8
>> xt_state,xt_tcpudp,ipt_MASQUERADE,ipt_REJECT,iptable_nat,ip_tables,ipt_REDIRECT,ipt_LOG
>> ip_nat_ftp 7680 0
>> ip_nat 22060 4
>> ipt_MASQUERADE,iptable_nat,ipt_REDIRECT,ip_nat_ftp
>> ip_conntrack_ftp 12016 1 ip_nat_ftp
>> ip_conntrack 56800 6
>> xt_state,ipt_MASQUERADE,iptable_nat,ip_nat_ftp,ip_nat,ip_conntrack_ftp
>>
>> делаю
>> -A INPUT -i wan -p tcp -m tcp --sport 20 ! --tcp-flags FIN,SYN,RST,ACK SYN
>> -m state --state RELATED,ESTABLISHED -j ACCEPT
>> -A INPUT -i wan -p tcp -m tcp --sport 21 ! --tcp-flags FIN,SYN,RST,ACK SYN
>> -m state --state RELATED,ESTABLISHED -j ACCEPT
>> -A OUTPUT -o wan -p tcp -m tcp --dport 20 -m state --state
>> NEW,RELATED,ESTABLISHED -j ACCEPT
>> -A OUTPUT -o wan -p tcp -m tcp --dport 21 -m state --state
>> NEW,RELATED,ESTABLISHED -j ACCEPT
>>
>> запускаю firefox
>> ERROR
>> The requested URL could not be retrieved
>>
>> An FTP protocol error occurred while trying to retrieve the URL:
>> ftp://ftp.altlinux.org/pub/distributions/
>> <ftp://ftp.altlinux.org/pub/distributions/OpenMusic/>
>>
>> Squid sent the following FTP command:*
>> *NLST
>> **and then received this reply*
>> *Use PORT or PASV first.
>> Your cache administrator is webmaster <mailto:webmaster>.
>> Generated Wed, 19 Nov 2008 23:35:09 GMT by server.dimahost
>> (squid/2.6.STABLE13)
>>
>> делаю
>> -A INPUT -i wan -p tcp -m tcp --sport 20 ! --tcp-flags FIN,SYN,RST,ACK SYN
>> -m state --state RELATED,ESTABLISHED -j ACCEPT
>> -A INPUT -i wan -p tcp -m tcp --sport 21 ! --tcp-flags FIN,SYN,RST,ACK SYN
>> -m state --state RELATED,ESTABLISHED -j ACCEPT
>> -A INPUT -i wan -p tcp -m tcp --sport 1024:65535 ! --tcp-flags
>> FIN,SYN,RST,ACK SYN -m state --state RELATED,ESTABLISHED -j ACCEPT
>> -A OUTPUT -o wan -p tcp -m tcp --dport 20 -m state --state
>> NEW,RELATED,ESTABLISHED -j ACCEPT
>> -A OUTPUT -o wan -p tcp -m tcp --dport 21 -m state --state
>> NEW,RELATED,ESTABLISHED -j ACCEPT
>> -A OUTPUT -o wan -p tcp -m tcp --dport 1024:65535 -m state --state
>> NEW,RELATED,ESTABLISHED -j ACCEPT
>>
>> запускаю firefox
>> Всё нормально.
>>
>> Я, так понимаю, не работают
>> ip_nat_ftp 7680 0
>> ip_conntrack_ftp 12016 1 ip_nat_ftp
>>
>>
>> Кто мне разъеснит: это фича или баг?
>>
> это пасивный режим работы ftp.
>
Это я знаю. Я пока вижу, что не работает модуль ip_conntrack_ftp
next prev parent reply other threads:[~2008-11-20 5:42 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-11-19 19:47 Kharitonov A. Dmitry
2008-11-19 22:47 ` Alexey Shabalin
2008-11-20 5:42 ` Kharitonov A. Dmitry [this message]
2008-11-20 5:34 ` Kharitonov A. Dmitry
2008-11-20 6:38 ` "ЗАО \"Уралэнерго-Союз\" / Бережко Иван"
2008-11-21 16:15 ` Kharitonov A. Dmitry
2008-11-22 15:27 ` Kharitonov A. Dmitry
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