You can RDP from allowed Public IPs from the internet. You can also RDP to 192.168.1.10 when connected via IPSEC (host to LAN). Please download and install the SMART VPN client 4.0.0.1 from the draytek.com website, configure the IPSEC tunnel and set the client to Virtual IP with remote address 192.168.1.1, (HIGH ESP) DES with MD5.