Author Артур Клесун
Recipients meatballhat, orsenthil, p0lar_bear, stutzbach, ysj.ray, Артур Клесун
Date 2017-05-20.10:40:19
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Message-id <1495276820.53.0.606918425085.issue8704@psf.upfronthosting.co.za>
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Content
Apache started strict check of headers ch
aracters to be valid recently. That causes it fail on "<--: spam".

```
[Sat May 20 13:09:23.056673 2017] [http:error] [pid 26379] [client 12.34.567.41:60988] AH02429: Response header name '<!--' contains invalid characters, aborting request, referer: http://example.com/
```

http://apache-http-server.18135.x6.nabble.com/Bug-60863-New-Apache-proxy-2-4-25-can-disable-header-check-Set-Cookie-td5036120.html

The workaround is to put:
HttpProtocolOptions Unsafe
line into your apache .conf
History
Date User Action Args
2017-05-20 10:40:20Артур Клесунsetrecipients: + Артур Клесун, orsenthil, stutzbach, meatballhat, ysj.ray, p0lar_bear
2017-05-20 10:40:20Артур Клесунsetmessageid: <1495276820.53.0.606918425085.issue8704@psf.upfronthosting.co.za>
2017-05-20 10:40:20Артур Клесунlinkissue8704 messages
2017-05-20 10:40:19Артур Клесунcreate