looks like some kind of bot that was scanning for specific file types... they all 404'd so nothing was found from what I saw. You can block the ip in the firew

looks like some kind of bot that was scanning for specific file types... they all 404'd so nothing was found from what I saw. You can block the ip in the firewall of that (assumed) bot and maybe create a complicated iptable rule blocking any bots that send a get request for xxx.filename maybe?