run tcp dump on the server that is having an issue.... run below command and try to connect from other servers and see....
> tcpdump -r ensXXX -n host xx.y.xxx.xyz and not port ssh and not port domain
if you see this below message then
error:- ICMP host xx.y.xxx.xyz unreachable - admin prohibited, length 68 (linux).
solution:-
. make sure firewall rules are setup between the servers you want to listen...
. make sure the firewalld process is shutoff or enable it with the ports that you want to listen on.. and try again....
> tcpdump -r ensXXX -n host xx.y.xxx.xyz and not port ssh and not port domain
if you see this below message then
error:- ICMP host xx.y.xxx.xyz unreachable - admin prohibited, length 68 (linux).
solution:-
. make sure firewall rules are setup between the servers you want to listen...
. make sure the firewalld process is shutoff or enable it with the ports that you want to listen on.. and try again....
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