Re: [users@httpd] Apache 2.4 DoS?

2018-07-31 Thread Douglas Duckworth
Hi Ranier Caravan, Looks like this problem didn't go away. To get symbols I had to first: sudo debuginfo-install httpd Then sudo gdb -p PID Several hundred apache forks are present so I selected random one *(gdb) where* #0 0x7f247f302f0d in poll () at ../sysdeps/unix/syscall-templat

Re: [users@httpd] Apache 2.4 DoS?

2017-11-14 Thread Douglas Duckworth
Thank you Rainer Canavan! Will try using gdb to get more information! Thanks, Douglas Duckworth, MSc, LFCS HPC System Administrator Scientific Computing Unit Physiology and Biophysics Weill Cornell Medicine E: d...@med.cornell.edu O: 212-746-6305 F: 212-746-8690 On Mon, Nov 13, 2017 at 7:04 AM,

Re: [users@httpd] Apache 2.4 DoS?

2017-11-13 Thread Rainer Canavan
On Fri, Nov 10, 2017 at 6:41 PM, Douglas Duckworth wrote: > Hi > > I am running old PHP under Apache httpd-2.4. [...] > Though, ever few weeks, we see sudden increase in workers who never seem to > retire: > > [Fri Nov 10 02:43:20.019924 2017] [mpm_prefork:error] [pid 13584] AH00161: > server rea

Re: [users@httpd] Apache 2.4 DoS?

2017-11-10 Thread Ruben Safir
On 11/10/2017 12:41 PM, Douglas Duckworth wrote: > Hi > > I am running old PHP under Apache httpd-2.4. > > During a typical day: > > Server load: 0.03 0.03 0.05 > Total accesses: 16028 - Total Traffic: 1.4 GB > CPU Usage: u20.92 s1.24 cu.01 cs.23 - .00163% CPU load > .0116 requests/sec - 1104 B/

[users@httpd] Apache 2.4 DoS?

2017-11-10 Thread Douglas Duckworth
Hi I am running old PHP under Apache httpd-2.4. During a typical day: Server load: 0.03 0.03 0.05 Total accesses: 16028 - Total Traffic: 1.4 GB CPU Usage: u20.92 s1.24 cu.01 cs.23 - .00163% CPU load .0116 requests/sec - 1104 B/second - 92.7 kB/request 2 requests currently being processed, 8 idle