Mar 28, 2019
On OpenVZ/HyperVM machines sometimes the ip_conntrack table will become
full and drop packets. You can tell if it is doing this by looking in
To find out the current limit run:
Then to increase it edit:
and change the line:
net.ipv4.netfilter.ip_conntrack_max = to a higher number
Adding 5000 or 10000 to the current max should be fine.
Once you have saved the file, to reload the new configuration run:
You should be all set and the machine should not be dropping any packets.