Zabbix Discovery RTSP port

root@zabbix:/# nmap 192.168.236.67

Starting Nmap 7.40 ( https://nmap.org ) at 2021-02-08 01:28 MSK
Nmap scan report for 192.168.236.67
Host is up (0.32s latency).
Not shown: 996 closed ports
PORT      STATE SERVICE
80/tcp    open  http
554/tcp   open  rtsp
5000/tcp  open  upnp
49152/tcp open  unknown

Nmap done: 1 IP address (1 host up) scanned in 76.08 seconds
root@zabbix:/#

root@zabbix:/# ip a |grep inet
    inet 127.0.0.1/8 scope host lo
    inet6 ::1/128 scope host 
    inet 192.168.206.5/24 brd 192.168.206.255 scope global ens3
    inet6 fe80::5054:ff:fe3d:38c9/64 scope link 
root@zabbix:/#

root@zabbix:/# traceroute  192.168.236.67
traceroute to 192.168.236.67 (192.168.236.67), 30 hops max, 60 byte packets
 1  192.168.206.75 (192.168.206.75)  0.294 ms  0.349 ms  0.429 ms
 2  172.16.254.146 (172.16.254.146)  67.697 ms  67.692 ms  67.698 ms
 3  192.168.236.67 (192.168.236.67)  67.766 ms  67.768 ms  67.876 ms
root@zabbix:/#

root@zabbix:/etc/zabbix# grep -vE '(^[[:space:]]*([#;!].*)?$)'  zabbix_server.conf
LogFile=/var/log/zabbix/zabbix_server.log
LogFileSize=0
PidFile=/var/run/zabbix/zabbix_server.pid
SocketDir=/var/run/zabbix
 DBHost=localhost
DBName=zabbix
DBUser=zabbix
DBPassword=DBPassword
StartPollers=100
StartIPMIPollers=15
StartPollersUnreachable=20
StartPingers=4
StartDiscoverers=3
SNMPTrapperFile=/var/log/snmptrap/snmptrap.log
CacheSize=128M
HistoryCacheSize=128M
HistoryIndexCacheSize=128M
TrendCacheSize=128M
ValueCacheSize=128M
Timeout=30
UnreachableDelay=45
AlertScriptsPath=/usr/lib/zabbix/alertscripts
ExternalScripts=/usr/lib/zabbix/externalscripts
FpingLocation=/usr/bin/fping
Fping6Location=/usr/bin/fping6
LogSlowQueries=3000
root@zabbix:/etc/zabbix#

root@zabbix:/# ps -F -A | grep -i discovery 
zabbix     668   595  0 209835 13756  0 08:28 ?        00:00:00 /usr/sbin/zabbix_server: discoverer #1 [processed 0 rules in 0.000000 sec, performing discovery]
zabbix     671   595  0 209835 13756  1 08:28 ?        00:00:00 /usr/sbin/zabbix_server: discoverer #3 [processed 0 rules in 0.000000 sec, performing discovery]
root      1186   662  0  3189   948   0 08:32 pts/0    00:00:00 grep -i discovery
root@zabbix:/#

root@zabbix:/#  zabbix_server --runtime-control log_level_increase=trapper
zabbix_server [1372]: command sent successfully
root@zabbix:/# tail -f /var/log/zabbix/zabbix_server.log |grep discoverer