free news servers

when I try to connect free news server ( aggie.marble.net and news.nsn.net) whit nx 2.0 or free agent , I obtain a message error 502 nntp error or 502 connection refused .
Could you tell me why and what I must do
expertiseAsked:
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jshamlinCommented:
Error 502 Authentication error/NNTP
Server has closed connection.

This code means that the userid/password in the 'Configure comm...' is invalid for the news server.

The common solution is that you have a userid and/or
password configured and don't need one - check the options/preferecnes settings in your newsreader and make sure that UID/PW fields are blank.
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expertiseAuthor Commented:
my UID/PW fields are blank and i obtain always my 502 nttp code error, connection refused

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jshamlinCommented:
What's happening is that the news server is receiving this information and refusing access because the UID/PW pair are "incorrect".

Generally, public-access news servers will accept null/null, but sometimes, the server admin sets the "public" UID/PW pair to something specific, like guest/guest or anonymous/null or public/null - there's really no guessing what specific UID/PW pair that a given server is set to expect, so if none of the aforementioned pairs work, you may need to contact the server administrator (scope their Web sites at www.marble.net and www.nsn.net to find the admin address) and ask what the UID/PW pair is for public access.

Most likely, I think, is that the servers you're trying are no longer "public" - because certain folks (spammers) will abuse public access, finding public access is rarer and rarer, and organizations that offer "free" access soon get their fingers burned and snap the gateway shut.  

In other cases, access is still free, but you need to register for a UID/PW pair - this enables the services that are still generous enough to provide public access to cut off the service to folks who abuse it.


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