[ic] Strange ic behavior with png image usertag created

[David Christensen]

> On Dec 9, 2017, at 4:05 PM, marco <m.mescoli at omnib.it> wrote:
> 
> With Variable DEBUG 1 in main configuration file interchange.cfg all goes well but without ic DEBUG 1 web browser give
> Internal Server Error and apache error.log give this:
> 
> [Sat Dec 09 20:26:35.274482 2017] [http:error] [pid 680] [client 192.168.11.2:58795] AH02429: Response header name 'libpng warning' contains invalid characters, aborting request, referer: ...
> 
> ... to ic page from where i call the usetag that give the error.
> 
> Searching for this issue I have find this apache page:
> https://blog.tigertech.net/posts/apache-cve-2016-8743/
> that give responsability to malformed http header.
> 
> my enviro:
> - Debian GNU/Linux 9
> - Interchange V5.10.0
> - perl 5.24.1
> 
> Any suggestions ?
> 
> P.S.
> I try to attach the usertag and the complete url that give the error but mailer bounce back the message for suspicious header


This information would be the most helpful; any way you can paste at an external site and provide a link?

Best,

David
--
David Christensen
End Point Corporation
david at endpoint.com
785-727-1171



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