Re: [Fwbuilder-discussion] Re: Support for newer IPFilter proxies

I can't answer Vadim's question. Can anybody on the IPFilter list help?

TIA,
Lupe Christoph
On Friday, 2005-09-30 at 12:11:18 +0300, Vadim Kurland /r/ wrote:
> On Aug 29, 2005, at 11:50 AM, Lupe Christoph wrote:

> >Looking for something else, I ran over an Ipfilter proxy that is not
> >supported bu fwbuilder 2.0.7, and probably also not by 2.0.8. I
> >looked a
> >bit further into IPFilter 4.1.9, and found more.

> >The new proxy added in 3.4.23 (16/01/2002) is the NetBIOS proxy. The
> >WhatsNew40.txt in the 4.1.9 release has this:

> >Proxies:
> > - PPTP proxy added.
> > - IRC proxy added.
> > - RPCBIND proxy added.
> > - FTP proxy support for EPSV (IPv4 only.)

> >The 4.1.9 tarball contains no example or explanation of the NetBIOS
> >proxy, so I have no idea to which ports it applies. The other three
> >new
> >proxies are obvious ;-)



> Lupe,

> I looked at the new proxies in 4.1.9. Is there any documentation on
> this stuff ? All I could find was one-liner in the rpcbind proxy
> source code. All others come with no examples or description
> whatsoever, or so it seems. Did I miss it ?

> These proxies are not 100% obvious. For example, I thought one uses
> pptp proxy to handle pptp control connection (tcp port 1723), but
> what about GRE ? However, after looking at ip_pptp_pxy.c, it seems it
> is the other way around, that is this proxy handles GRE and not tcp
> 1723.

> Do I need to make any changes to support ftp EPSV proxy ? At the
> first glance it seems the proxy itself has been modified to support
> EPSV and I do not need to make any changes as ipfilter command syntax
> for it remains the same.

> I'd rather follow documentation than guess ...

> --vk





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--- Also sprach Vadim Kurland /r/ ---

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