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Issue with firewall / open ports on Windows Server 2019

€8-30 EUR

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€8-30 EUR

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Hi! I have a server and an application that need some ports open... I added the rules on the Windows firewall and the server is behind a Mikrotik. The ports are 1983, 50000 and 7401 to 7500 I dstnat (open) ports on the Mikrotik to the server IP and on the Windows Server 2019 I opened this ports on the firewall. If I nmap from a external IP (not in the same LAN) to the ports, Mikrotik receive and move packets but only ports 1983, 50000 and from 7401 to 7405 say that are open... from 7406 to 7500 nmap say filtered... I need to has all ports open (not filtered) to the server application working well.... I try a lot... tested with ports 5000-5010 and say filtered... I need to open this ports and nmap say they are open... On the firewall of Windows Server 2019 I add a rule in inbound rules, all profiles, ports 1983, 50000, 7401-7500 On the Mikrotik one rule dstnat 1983 to the Server IP Other dstnat 50000 to the Server IP And the last rule dstnat 7401-7500 to the server IP If I nmap to , for example, to the port 7450, nmap say filtered but in the Mikrotik I can see packet and bytes movement.
Prosjekt-ID: 36469135

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I would like to try if you are OK for that, thanks I think the issue is in between mikrotik and your windows, the easies way is to try telnet from mikrotik to windows e.g telnet from mikrotik to your windows server port 7450, if it not works, then you need check again the windows server or in between it. But not sure about it, need more check Thx
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Hello, I can review Mikrotik configuration and Windows FW configuration. But I think, you set it correctly and this will be application problem. It is easy to check directly on server if it is listening also on ports 7406-7500. Maybe server is opening these ports later once application need them. But I can be wrong. There is need to investigate it on server - check if server is listening on that ports 7406-7500. Maybe packet capture on server if needed. I can have a look on that.
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SPAINs flagg
El Cuervo, Spain
5,0
1
Betalingsmetode bekreftet
Medlem siden okt. 26, 2018

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