I am also facing same problem. I am using CentOS v7.
I also check "iptables" and "Port" -
Port is listening -
[root@xxxxxxxxxxxxxxxxxxxxx ~]# lsof -i :2030
COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME
cwpsrv 794 root 24u IPv4 15146 0t0 TCP *:device2 (LISTEN)
cwpsrv 796 root 24u IPv4 15146 0t0 TCP *:device2 (LISTEN)
cwpsrv 797 root 24u IPv4 15146 0t0 TCP *:device2 (LISTEN)
----------------------------------------------
iptables configuration -
[root@xxxxxxxxxxxxxxxxxxxxx ~]# iptables -L -n
Chain INPUT (policy ACCEPT)
target prot opt source destination
f2b-SSH tcp -- 0.0.0.0/0 0.0.0.0/0 tcp dpt:22
ACCEPT tcp -- 0.0.0.0/0 0.0.0.0/0 state NEW tcp dpt:2030
ACCEPT tcp -- 0.0.0.0/0 0.0.0.0/0 state NEW tcp dpt:2031
Chain FORWARD (policy ACCEPT)
target prot opt source destination
Chain OUTPUT (policy ACCEPT)
target prot opt source destination
Chain f2b-SSH (1 references)
target prot opt source destination
REJECT all -- 61.177.172.60 0.0.0.0/0 reject-with icmp-port-unreachable
RETURN all -- 0.0.0.0/0 0.0.0.0/0
Can you please provide some guidance how can i resolve this problem?
Thanks in advance.