[NNTP] draft-ietf-nntpext-streaming-02

[Ken Murchison]

Charles Lindsey wrote:

> In <E1CIWLM-000JCn-0h at trinity.supernews.net> "Andrew - Supernews" <andrew at supernews.net> writes:
> 
> 
>>>>>>>"Clive" == Clive D W Feather <clive at demon.net> writes:
> 
> 
>>Clive> The problem with closing (or issuing a 400, which is far
>>Clive> superior) is that it prevents the client doing anything else,
>>Clive> like newsreading.
> 
> 
>>In practice, streaming feeds and newsreading are never done on the
>>same connection. If for some strange reason the client wants to use
>>reader commands, it can reconnect.
> 
> 
> Part of the problem is that, whilst we can say in LIST EXTENSIONS that
> STREAMING is (now) allowed, there is no way to give an UN-EXTENSION which
> says that reader commands are no longer available. The draft mandates
> that every NNTP server has full 'reader' capability, even if it is
> permanently used for streaming transit.

This can be easily solved by adding a NOREADING or READINGDISABLED 
capability.  IMAP has a LOGINDISABLED capability if a server chooses to 
disable the standard LOGIN command (LOGIN is a base command, but the 
IMAP TLS spec allows it to be disabled).

-- 
Kenneth Murchison     Oceana Matrix Ltd.
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