Re: [PATCH -resend 4/6] netfilter: Implement RFC 1123 for FTPconntrack

[Pablo Neira Ayuso]

On Wed, May 22, 2013 at 02:59:10PM +0200, Jiri Slaby wrote:
> From: Jeff Mahoney <jeffm@xxxxxxxx>
> 
>  The FTP conntrack code currently only accepts the following format for
>  the 227 response for PASV:
>  227 Entering Passive Mode (148,100,81,40,31,161).
> 
>  It doesn't accept the following format from an obscure server:
>  227 Data transfer will passively listen to 67,218,99,134,50,144
> 
>  From RFC 1123:
>  The format of the 227 reply to a PASV command is not
>  well standardized.  In particular, an FTP client cannot
>  assume that the parentheses shown on page 40 of RFC-959
>  will be present (and in fact, Figure 3 on page 43 omits
>  them).  Therefore, a User-FTP program that interprets
>  the PASV reply must scan the reply for the first digit
>  of the host and port numbers.

Applied, thanks.
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