In Centos/RHEL, systemd listens on port 111 which is used by rpcbind service, for security reason, close it or disable rpcbind service.
systemctl stop rpcbind
systemctl disable rpcbind
systemctl stop rpcbind.socket
systemctl disable rpcbind.socketIn Centos/RHEL, systemd listens on port 111 which is used by rpcbind service, for security reason, close it or disable rpcbind service.
systemctl stop rpcbind
systemctl disable rpcbind
systemctl stop rpcbind.socket
systemctl disable rpcbind.socket