[ILUG-BOM] MSN Problems

[Philip S Tellis]

Sometime on Jul 19, Sameer D. Sahasrabuddhe assembled some asciibets to say:

> AFAIK, MSN had recently changed its authentication protocol so that
> all the third party clients stopped working. Something to do with an
> extra challenge handshake with a modified format ... people using

No, wasn't that, otherwise old MSN clients would also stop working.
They did change the protocol, but there is a protocol negotiation stage
when connecting to the Authentication Server.  EB still uses MSNP2.0,
and not 5.0 which is the latest.

The problem was that EB only did a protocol negotiation on the primary
server, and not on redirects.  As a result, if MSN redirected EB to a
different host, EB would not tell the new host that it wanted protocol
2, and so couldn't handle protocol 5 - default.

Philip

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