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Re: ftp and firewall



If you have module support compiled in, then a simple insmod ip_masq_ftp
would work?
Alan


On Sun, 8 Feb 1998, Quasimodo wrote:

> 
> Hi!
> 	ftp uses 2 modes -- passive, and active.
> 
> 	In active mode, the clients binds a listenning socket and the
> server connects. With passive it is the oopposite.
> 
> 	If this is the problem with ur setup, enable passive modeat the
> ftp> prompt. It's a toggle.
> 
> 	All the best!
> 
> On 
> HiSun, 
> 8 
> Feb 1998, Erez Doron wrote:
> 
> > Hi
> > 
> > I have a local net which is connected throgh a linux box to the
> > internet.
> > I have one IP so the linux does ip-masqurading.
> > I've also opend all my tcp ports to the internet with ipfwadm ... -k
> > so no one can connect to my net, but i can connect outside.
> > 
> > everything works o.k except ftp.
> > i can ftp anywhere, but when i try to retrive something ( i.e. get
> > filename )
> > i get a data connection error.
> > it seems the remote site tries to open a connection to my machine, but
> > can't because
> > my port is closed from outside ( and maybe the firewall wouldn't know to
> > where
> > it should go even if i allow connecting from outside).
> > 
> > any solutions ?
> > 
> > Thanks
> > Erez
> > 
> > 
> > -
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