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Desde de que actualizei o wordpress para a versão 2.5 e posteriormente para a 2.6, deixei de conseguir fazer upload de imagens utilizando o editor do WP.
Perdi quase uma semana e descobri que o problema é devido a um conflito com o módulo Mod Security do php Apache e na maior parte dos casos resolve-se adicionando as seguintes linhas ao ficheiro .htaccess na raís da instalação do WP:
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| <IfModule mod_security.c>
<Files async-upload.php>
SecFilterEngine Off
SecFilterScanPOST Off
</Files>
</IfModule> |
Infelizmente no meu caso específico isto não era suficiente e depois de uma semana a tentar descobrir uma maneira de corrigir o erro pedi ajuda ao apoio técnico do meu serviço de alojamento, que em poucas horas deu a solução que é muito parecida com a anterior:
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| <IfModule mod_security.c>
SecFilterScanPOST Off
SecFilterEngine Off
SecFilterInheritance Off
</IfModule> |
Agora tanto o upload via flash com o upload via browser funcionam na perfeição! Espero que esta dica seja útil!
ACTUALIZAÇÃO: Confirma-se que é uma incompatibilidade com o Mod Security pois pode ler-se em http://www.modsecurity.org/:
ModSecurity v2.5.5
(June 6, 2008)
ModSecurity v2.5.5 is a maintenance release, which fixes a few bugs and compatibility problems (e.g. the WordPress upload issue).
ACTUALIZAÇÃO 2: O problema também está relacionado com a própria rede onde estamos ligados. Eu por exemplo, consigo fazer upload de imagens em casa, mas no trabalho o upload não funciona.