From: Martijn Lievaart <m@rtij.nl>
To: Ming-Ching Tiew <mingching.tiew@redtone.com>
Cc: netfilter@vger.kernel.org
Subject: Re: FTP connection without NAT
Date: Thu, 10 Apr 2008 23:39:42 +0200 [thread overview]
Message-ID: <47FE891E.3030400@rtij.nl> (raw)
In-Reply-To: <017001c89af3$d5e934e0$8119fea9@MingChing>
Ming-Ching Tiew wrote:
> Jan Engelhardt wrote:
>
>> On Thursday 2008-04-10 03:16, Ming-Ching Tiew wrote:
>>
>>> 1. FORWARD rule policy is DROP.
>>> 2. Inside can ACCEPT NEW connection to go to outside.
>>> 3. ACCEPT established or related connections.
>>> 4. FORWARD tcp port 21 from outside to the
>>> inside FTP server is ACCEPT.
>>>
>>> Will the connection tracking modules help in allowing
>>> passive FTP session to get through to the FTP server ?
>>>
>> Make sure nf_conntrack_ftp is loaded so that RELATED can do its job.
>>
>
> Is it necessary to specify the ftp port if it is not port 21 ?
>
Sadly, yes.
M4
prev parent reply other threads:[~2008-04-10 21:39 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-04-10 1:16 FTP connection without NAT Ming-Ching Tiew
2008-04-10 5:45 ` Jan Engelhardt
2008-04-10 10:15 ` Ming-Ching Tiew
2008-04-10 21:39 ` Martijn Lievaart [this message]
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