Re: [squid-users] no FTP proxy available?

On 20.06 16:02, Frank Wagner wrote:
> i just want to make that clear. currently there seems to be no FTP proxy
> available, which has user authentication and support for a partent proxies.

hello,
there is "frox", which is intercepting (incorrectly called "transparent")
proxy that can redirect connections through another proxy

There are some applcation proxies - jftpgw, ftp-proxy, but I must warn you
that the FTP protocol does not support proxies like HTTP. That also means
that user-provided authentication at proxy level is impossible.
Teoretically you can authenticate using other protocols (maybe NTLM) that
authenticate using other channels than FTP connection. You need to check.

I hope I helped you a bit.

> Is it possible to use squid for that? I know the documentation.

Squid doesn't support ftp clients, but some clients support fetching files
via HTTP proxy.

> I have to use an ftp proxy before TrendMicro's Viruswall.
>
> intranet -> ftpproxy -> viruswall -> internet

According to its documentation, frox supports scanning of downloaded files
for viruses.

> tell me if i'm wrong. but only squid has maybe the possibiliy to proxy ftp
> with user authentication and parent proxy. so my question is, if i can
> configure squid to do so?

it's not a problem, but you can't use ordinary FTP client - squid is HTTP
proxy so you'll need HTTP client. (maybe some FTP clients do have such
extensions)

> maybe some clients work good enough with squid and his ftp proxy
> possibilities.

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