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[root@localhost ~]# /usr/local/nagios/libexec/check_nt -H 192.168.11.70 -p 12489 -v UPTIME
could not fetch information from server
[root@localhost ~]# /usr/local/nagios/libexec/check_nt -H 192.168.11.70 -p 12489 -v CLIENTVERSION
could not fetch information from server
[root@localhost ~]# sudo nmap -sT -v -p 12489 192.168.11.70
Starting Nmap 6.40 ( http://nmap.org ) at 2022-04-05 08:46 WIB
Initiating Ping Scan at 08:46
Scanning 192.168.11.70 [4 ports]
Completed Ping Scan at 08:46, 0.20s elapsed (1 total hosts)
Initiating Parallel DNS resolution of 1 host. at 08:46
Completed Parallel DNS resolution of 1 host. at 08:46, 0.17s elapsed
Initiating Connect Scan at 08:46
Scanning 192.168.11.70 [1 port]
Discovered open port 12489/tcp on 192.168.11.70
Completed Connect Scan at 08:46, 0.00s elapsed (1 total ports)
Nmap scan report for 192.168.11.70
Host is up (0.00065s latency).
PORT STATE SERVICE
12489/tcp open unknown
Read data files from: /usr/bin/../share/nmap
Nmap done: 1 IP address (1 host up) scanned in 0.48 seconds
Raw packets sent: 4 (152B) | Rcvd: 1 (40B)