I have a SG115W and Synology DS1817+
The Synology NAS is located inside of my network.
On the sinology NAS I use for data replication between my notebook and the NAS the Cloudstation app from Synology. The app uses TCP port 6690.
Before replacing my Asus router works everything fine, but now I cannot connect to my NAS from my own LAN network.
To connect to my NAS at home from LAN or WAN I use one hostname. mynas.synology.me (my WAN iP)
On the UTM I have created a NAT rule:
From outside of my network I can connect to the NAS, but from inside I cannot connect via mynas.synology.me (my WAN IP)
If I try to connect directly to the IP-address of my NAS instead of public name its fine but connecting to the public name from my LAN still denied.
Before replacing the Asus router, I did not have this problem, but now I have to change the connection name when I'm home. This is not workable.
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