Ok Stephane
There's no firewall or IPS in front of the DNS. Only the Centos firewall
policy permitting dns traffic.
Sure, I will take the tcpdump and revert
Thanks & Best Regards
Isaac
On Sun, 12 Apr 2020, 3:48 pm Stephane Bortzmeyer, wrote:
> On Sun, Apr 12, 2020 at 01:41:52AM +,
> s
On Sun, Apr 12, 2020 at 01:41:52AM +,
sir izake wrote
a message of 153 lines which said:
> At specific times of day bind fails to respond to queries even
> though service is shown to run (configured to respond to my network
> IPs, this works fine till this time when service fails to answer
Sir Izake,
Any network troubleshooting starts with finding out what is being placed on the
wire. In your particular example it sounds like you need to validate if this
Cent box is seeing a SYN flood. You do this by using tcpdump.
Assuming you only have one ethernet adapter (which by extension
3 matches
Mail list logo
