We have a decently-high rate of POST requests over HTTP (should be HTTPS) coming into our text-lb endpoints from restbase100x.eqiad.wmnet. Insecure POST traffic will eventually be blocked, so this needs fixing first. The requests look like:
```
34 RxRequest c POST
34 RxURL c /w/api.php
34 RxProtocol c HTTP/1.1
34 RxHeader c x-request-id: 272dbc55-3466-11e5-a95c-bdae65acf6b0
34 RxHeader c host: commons.wikimedia.org
34 RxHeader c content-type: application/x-www-form-urlencoded
34 RxHeader c content-length: 174
34 RxHeader c Connection: keep-alive
96 RxRequest c POST
96 RxURL c /w/api.php
96 RxProtocol c HTTP/1.1
96 RxHeader c x-request-id: 2955ff80-3466-11e5-a483-7b152de49283
96 RxHeader c host: en.wiktionary.org
96 RxHeader c content-type: application/x-www-form-urlencoded
96 RxHeader c content-length: 173
96 RxHeader c Connection: keep-alive
79 RxRequest c POST
79 RxURL c /w/api.php
79 RxProtocol c HTTP/1.1
79 RxHeader c x-request-id: 296a7807-3466-11e5-8510-97b6c23551ce
79 RxHeader c host: sh.wikipedia.org
79 RxHeader c content-type: application/x-www-form-urlencoded
79 RxHeader c content-length: 173
79 RxHeader c Connection: keep-alive
104 RxRequest c POST
104 RxURL c /w/api.php
104 RxProtocol c HTTP/1.1
104 RxHeader c x-request-id: 29af1c09-3466-11e5-898e-7f5686f90730
104 RxHeader c host: www.wikidata.org
104 RxHeader c content-type: application/x-www-form-urlencoded
104 RxHeader c content-length: 174
104 RxHeader c Connection: keep-alive
94 RxRequest c POST
94 RxURL c /w/api.php
94 RxProtocol c HTTP/1.1
94 RxHeader c x-request-id: 29f1ec65-3466-11e5-9625-9f1f68e3a7b6
94 RxHeader c host: www.wikidata.org
94 RxHeader c content-type: application/x-www-form-urlencoded
94 RxHeader c content-length: 174
94 RxHeader c Connection: keep-alive
122 RxRequest c POST
122 RxURL c /w/api.php
122 RxProtocol c HTTP/1.1
122 RxHeader c x-request-id: 2bc2fc12-3466-11e5-bba7-38f311c87ffc
122 RxHeader c host: www.wikidata.org
122 RxHeader c content-type: application/x-www-form-urlencoded
122 RxHeader c content-length: 174
122 RxHeader c Connection: keep-alive
```