Ubuntu

403, 'b64' => [ 'data' => $user_agent ] ] ); } $bad_user_agents = secupress_get_module_option( 'bbq-headers_user-agents-list', '', 'firewall' ); if ( ! empty( $bad_user_agents ) ) { $bad_user_agents = preg_replace( '/\s*,\s*/', '|', addcslashes( $bad_user_agents, '/' ) ); $bad_user_agents = trim( $bad_user_agents, '| ' ); while ( false !== strpos( $bad_user_agents, '||' ) ) { $bad_user_agents = str_replace( '||', '|', $bad_user_agents ); } } // Shellshock. $bad_user_agents .= ( $bad_user_agents ? '|' : '' ) . '$.*?$\s*\{.*?;\s*\}\s*;'; preg_match( '/' . $bad_user_agents . '/', $user_agent, $matches ); if ( ! empty( $matches ) ) { secupress_block( 'UAHB', [ 'code' => 403, 'b64' => [ 'data' => $matches ] ] ); } }