Re: Protocols supporting proxy auth?

[ark () eltex ru]

nuqneH,

> Is there a reference anywhere for protocols (or protocol
> abuses) which support proxy authentication?
>
> HTTP I have,

It is really ugly when you have to use OTP, since http is stateless.
And OTP _is_ usually required.

> but I'd also like to support FTP,

One of a few that really work this way,

> POP,

No.

> IMAP

I don't think it will work, at least even if it is possible standard clients
do not support it.
 
> and maybe others.

Some interactive protocols like irc can work this way, but the general answer
is No. If you really need that, the only solutions i am aware of are protocol 
wrappers/modification (socks5 alone is no good because its authentication is
weak if you don't use kerberos) and out-of-band authentication
(like it is implemented in Gauntlet ck-gw). 

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