Which are the ports need to be opened from the ISP to use Sophos VPN client and Remote SSL VPN?
Please share the details.
Sophos Connect can do SSLVPN and IPsec.
Depending on the mode, you want to use, its:
Ipsec: UDP500 and UDP4500
SSLVPN: TCP/UDP Default 8443 (You can change this port on XG).