How can i block thee URL by word? My endian blocks by domain. I want to block by word.

Att,
 
Fellipe Pinheiro
Analista de Projetos de Redes
Prefeitura Municipal de Macaé
Sec. Mun. de Ciência e Tecnologia
Tel: 22-2772-6243 R: 301
Tel: 22-2772-6750 R: 301
E-mail: fellipepinheiro@macae.rj.gov.br