Wikimedia Bugzilla is closed!

For the pywikibot project, at least. Try downloading 'core.tar.gz' or 'core.zip' from http://tools.wmflabs.org/pywikibot/ ;

All downloads hang at 0KB/s; curl suggests this is at 28427 bytes:

* About to connect() to tools.wmflabs.org port 80 (#0)
*   Trying 208.80.155.131...   % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
  0     0    0     0    0     0      0      0 --:--:-- --:--:-- --:--:--     0connected
> GET /pywikibot/core.zip HTTP/1.1
> User-Agent: curl/7.22.0 (x86_64-pc-linux-gnu) libcurl/7.22.0 OpenSSL/1.0.1 zlib/1.2.3.4 libidn/1.23 librtmp/2.3
> Host: tools.wmflabs.org
> Accept: */*
>
< HTTP/1.1 200 OK
< Server: nginx/1.5.0
< Date: Tue, 13 May 2014 19:06:31 GMT
< Content-Type: application/zip
< Content-Length: 33948380
< Connection: keep-alive
< Accept-Ranges: bytes
< ETag: "2235347596"
< Last-Modified: Tue, 13 May 2014 19:01:31 GMT
<
{ [data not shown]
  0 32.3M    0 28427    0     0   1193      0  7:54:16  0:00:23  7:53:53     0^C
               
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
               ^^^^^^^^

although the exact amount depends on the file:

(py27)valhallasw@lisilwen:~/src/pywikibot-core$ curl -vvv http://tools.wmflabs.org/pywikibot/core.tar.gz >/dev/null
* About to connect() to tools.wmflabs.org port 80 (#0)
*   Trying 208.80.155.131...   % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
  0     0    0     0    0     0      0      0 --:--:-- --:--:-- --:--:--     0connected
> GET /pywikibot/core.tar.gz HTTP/1.1
> User-Agent: curl/7.22.0 (x86_64-pc-linux-gnu) libcurl/7.22.0 OpenSSL/1.0.1 zlib/1.2.3.4 libidn/1.23 librtmp/2.3
> Host: tools.wmflabs.org
> Accept: */*
>
< HTTP/1.1 200 OK
< Server: nginx/1.5.0
< Date: Tue, 13 May 2014 19:07:52 GMT
< Content-Type: application/octet-stream
< Content-Length: 33060543
< Connection: keep-alive
< Accept-Ranges: bytes
<
{ [data not shown]
  0 31.5M    0 28484    0     0   7435      0  1:14:06  0:00:03  1:14:03  8605

  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
               ^^^^^^^^


This completely breaks all downloads for pywikibot.