On Thu, 29 Apr 2004, Elvis Presley wrote:
> Can you point me to material describing Squid as an
> FTP proxy?
Squid is not an FTP proxy.
> I'm not sure 'proxy' is even the right term. How does
> squid translate the domain name of the ftp server, if
> the external client has already done it? I assume
> squid listens to the ftp ports and accepts connections
> on behalf of internal (ftp) servers.
No. Squid is not a FTP proxy.
Squid can fetch ftp:// URLs requested by HTTP clients, but it still is not
a FTP proxy.
> Again, I am interested in forward and reverse roles.
>
> Does squid ftp-proxy support 'active' and 'passive'
> ftp connections?
Squid uses primarily passive FTP when retreiving ftp:// URLs, but
automatically falls back on active or even default mode FTP if passive is
not available.
> Are there special purpose(=non-squid) "proxies" for
> ftp?
There is plenty of FTP proxies.
> Can ftp even be fully(=transparently) proxied?
Ftp can be transparently proxied. See frox.
fully proxied is however non-transparent. It is not correct to say that
transparent interception is full proxying. transparent interception is a
very ugly hack violating fundamental TCP/IP standards.
SOCKS is also an interesting topic in discussions like this.
Regards
Henrik
Received on Thu Apr 29 2004 - 12:13:29 MDT
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