No, only 403. Nothing in debug.log
[26/Jan/2017:18:27:02 +0100] "GET /AdServer/www/admin/report-generate.php?period_preset=last_month&period_start=01+December+2016&period_end=31+December+2016&campaign=8&sheets%5Bdaily_breakdown%5D=1&sheets%5Bad_breakdown%5
D=1&sheets%5Bzone_breakdown%5D=1&plugin=reports%3AoxReportsStandard%3AcampaignAnalysisReport HTTP/1.1" 403 636 "https://www.motorradreisendatenbank.de/AdServer/www/admin/report-generation.php?report=reports:oxReportsStandard:campaignAnal
ysisReport" "Mozilla/5.0 (Windows NT 6.1; WOW64; rv:50.0) Gecko/20100101 Firefox/50.0"