We had a denial of service attack against our webserver about 1/2 hour ago originating in Paris France. It was not a large distributed attack but rather only originating from about half a dozen IPs within Paris, it either involved non-existent URL's or had ridiculously long query strings as if they were attempting to overrun an Apache buffer. And I see there is an exploit in 2.4.50 which is what we are running so I guess time to go compile 2.4.51.