Hi - am running OpenVPN on my Untangle firewall... (not hosted on my Synology).
Have recently added a Synology Diskstation 1019+ to my LAN at 192.168.0.129. My Untangle NGFW 15.1 box is 192.168.0.1. I've setup OpenVPN on NGFW and the address space is: 172.16.28.0/24. When I'm connected to the LAN, I can access 192.168.0.129 on port 5001 without issue to access Synology's DSM management web interface.
However when I connect to OpenVPN, I'm able to access all machines on the LAN 192.168.0.x 255.255.255.0 except for the Synology on 192.168.0.129 HTTPS 5001.
Not sure whether it helps but on the local LAN accessing https://192.168.0.129 (the Synology admin address) redirects to HTTPS port 5001 as not secure due to self signed Synology certificate. This is normal behavior on the LAN. However once connected to OpenVPN, accessing https://192.168.0.129 is unable to redirect to port 5001. Also if I attempt to connect directly on https://192.168.0.129:5001 via Untangle OpenVPN, it doesn’t connect either. Using all Synology default settings which include firewall disabled. Also using default Untangle NGFW 15.1 OpenVPN setup. Have tried both full tunnel and split tunnel client connection, both behave the same.
Have recently added a Synology Diskstation 1019+ to my LAN at 192.168.0.129. My Untangle NGFW 15.1 box is 192.168.0.1. I've setup OpenVPN on NGFW and the address space is: 172.16.28.0/24. When I'm connected to the LAN, I can access 192.168.0.129 on port 5001 without issue to access Synology's DSM management web interface.
However when I connect to OpenVPN, I'm able to access all machines on the LAN 192.168.0.x 255.255.255.0 except for the Synology on 192.168.0.129 HTTPS 5001.
Not sure whether it helps but on the local LAN accessing https://192.168.0.129 (the Synology admin address) redirects to HTTPS port 5001 as not secure due to self signed Synology certificate. This is normal behavior on the LAN. However once connected to OpenVPN, accessing https://192.168.0.129 is unable to redirect to port 5001. Also if I attempt to connect directly on https://192.168.0.129:5001 via Untangle OpenVPN, it doesn’t connect either. Using all Synology default settings which include firewall disabled. Also using default Untangle NGFW 15.1 OpenVPN setup. Have tried both full tunnel and split tunnel client connection, both behave the same.