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### Please describe the problem.

This is a followup on [[bugs/internal_server_error:_unknown_UUID_on_webapp]]. In that issue, webapps previous to 20130929 would crash with `internal server error: unknown UUID`. This was fixed at that date, but some problems remain, namely that the remote that is recognized on the commandline doesn't show up in the webapp.

`markov` is able to push to `marcos`, but not the reverse because `markov` is hidden behind a NAT. `git annex sync` seems to do the right thing accordingly on both ends (which is: `marcos` doesn't try to push to `markov` but `markov` pushes to `marcos`).

### What steps will reproduce the problem?

See [[bugs/internal_server_error:_unknown_UUID_on_webapp]]. I didn't do any further changes other than upgrade `git-annex` on both ends.

### What version of git-annex are you using? On what operating system?

`marcos` is now running `Version: 4.20131105-g8efdc1a Build flags: Assistant Webapp Pairing Testsuite S3 WebDAV Inotify DBus XMPP DNS Feeds Quvi TDFA CryptoHash`

`markov` is now running the wheezy backport, `4.20131002~bpo70+1`.

### Please provide any additional information below.

#### On `marcos`

Here's the output of `git annex status` on `marcos`:

[[!format sh """
anarcat@marcos:books$ git annex status
repository mode: direct
trusted repositories: 0
semitrusted repositories: 3
        00000000-0000-0000-0000-000000000001 -- web
        a75cbbf7-e055-423e-b375-443e0552c9e2 -- here (anarcat@marcos:/srv/books)
        aa500f29-42d9-4777-ae02-4a2c3d47db44 -- anarcat@markov:~/books
untrusted repositories: 0
transfers in progress: none
available local disk space: 7.04 gigabytes (+1 megabyte reserved)
local annex keys: 736
local annex size: 3.92 gigabytes
annexed files in working tree: 721
size of annexed files in working tree: 3.92 gigabytes
bloom filter size: 16 mebibytes (0.1% full)
backend usage:
        SHA256E: 1457
# End of transcript or log.
"""]]

Here's a screenshot of the idle webapp on marcos:

<img src="http://i.imgur.com/3HFgj3w.png" />

You can clearly see that the webapp doesn't see the `markov` remote.

When `markov` transfers stuff, `marcos` sees the transfers happening, but marks it as going to the `unknown` remote:

<img src="http://i.imgur.com/YOu9GbA.png" />

Clicking on that link is what was previously triggering [[bugs/internal_server_error:_unknown_UUID_on_webapp]] but now yields a "Unknown remote" error.

<img src="http://i.imgur.com/y7JxULi.png" />

#### On `markov`:

Here is a screenshot from `markov` that shows *it* knows about both repositories and seem to behave properly:

<img src="http://i.imgur.com/fTMslVT.png" />

And here's the output of `git annex status` on markov:

[[!format sh """
anarcat@desktop008:books$ git annex status
repository mode: indirect
trusted repositories: 0
semitrusted repositories: 3
        00000000-0000-0000-0000-000000000001 -- web
        a75cbbf7-e055-423e-b375-443e0552c9e2 -- origin (anarcat@marcos:/srv/books)
        aa500f29-42d9-4777-ae02-4a2c3d47db44 -- here (anarcat@markov:~/books)
untrusted repositories: 0
transfers in progress:
        downloading Patrick K. O'Brien/Philip's Atlas of World History, Concise Edition (115)/Philip's Atlas of World History, Concise Edition - Patrick K. O'Brien.pdf from origin
available local disk space: 93.25 gigabytes (+1 megabyte reserved)
temporary directory size: 50.07 megabytes (clean up with git-annex unused)
local annex keys: 708
local annex size: 3.81 gigabytes
known annex keys: 721
known annex size: 3.92 gigabytes
bloom filter size: 16 mebibytes (0.1% full)
backend usage:
        SHA256E: 1429
"""]]

Finally, note that you sometimes see `desktop008` above: it turns out I am running `git annex` from my workstation, which NFS-mounts the `/home` directory of `markov` into `/srv/musique`.  --[[anarcat]]

Yesterday, I made the webapp register ssh remotes it creates. 
They then show up in the webapp when run in a repository where that ssh
remote is not enabled.

You can also manually register a ssh remote. First set up the git remote
as usual. Then run `git annex initremote type=git name=foo
location=$url`.

[[!meta title="webapp shows transfer from 'unknown' when no remote is configured for a system that is downloading files"]]

[[!tag confirmed]]