Had the same problems, but then found out that I didn't set the IP address of the gateway and DNS servers on the windows client!
After I set these everything worked as it should be. So it might be worth checking those!

Jimbo Keith Silman wrote:
>
> I would also like to know how to ftp through the e-smith proxy.
>
> We currently have an e-smith proxy/email box which works
> great for email/proxying despite being a P166 with 90ish MB
> RAM (rather slow for refreshing the webmail window - 12 users).
> On another note it is ironic that our servers are mostly of a
> lower spec than the desktop (ie Windows) machines that they
> serve!
>
> Back to the point ..
> We have now had our ADSL changed to static IPs, which gives
> the router a different network address to our internal
> network and I need to know how to ftp out.
> We use flashfxp which needs a proxy configuration.
> if proxy is x.x.x.x port 3128
> router is y.y.y.y
> how do we configure the ftp prog to work as it comes up with
> a squid error message when we try to ftp out through the
> proxy. I'll try any W98 compatible ftp prog that works if
> anybody has recommendations/advice and idiots guide
> instructions.
> Unfortunately ** a direct link out through the router is not
> an option **, so I need to sort this "issue" ASAP!
>
> Thanks
>
> Keith