Re: Unhandled Pulse authentication packet with Duo MFA

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On Wed, 2019-12-04 at 14:40 -0500, James Ralston wrote:
> I took the new Pulse Connect Secure support (thanks David!) for a
> spin, on Fedora 31, using the system default openconnect-8.05-1.fc31
> package.  Our Pulse server requires Duo MFA.
> 
> When testing a connection, after I supply my username/password, I am
> prompted for a secondary authentication code.  After entering "push"
> (which pushes an approval request to my phone), and approving the push
> request on my phone, openconnect immediately dies with this error
> message:
> 
>     Unhandled Pulse authentication packet, or authentication failure
> 
> …followed by 3 lines of hex-dumped data.
> 
> Is this a known issue?  If not, is there anything I can do to help get
> this working?  (I’m a Fedora packager, and am familiar with GitHub,
> GitLab, et. al., so I can easily pluck commits off of development
> branches and test them locally.)
> 
> Scanning the full log (including the entire hex dump), I clearly see
> my username/password in plaintext, so I’m not sure if there’s any
> other sensitive data that might be in there.  But if the
> username/password is the only sensitive data, I can excise that, and
> send the full log.

Yes please, we need to see the full log with the username/password
elided — including the hex version not just the plain text on the
right!

If you put it into a gitlab issue at 
https://gitlab.com/openconnect/openconnect/issues then it's less likely
to get lost. Apologies for the delayed response.


If you can also set up a MITM proxy like 
http://david.woodhou.se/proxy.go and convince the official client to
connect through it, that would show us the expected response...
although we might be able to guess.

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