If you are accustomed to the sleek, one-click interfaces of commercial VPN apps, SoftEther will be a culture shock. The interface looks dated, resembling Windows 95/98 era software.

SoftEther Client can encapsulate VPN packets inside ICMP Echo requests (ping) or DNS queries/responses. This is critical where firewalls block all non-web traffic but allow ping or DNS. Performance is poor (low throughput, high latency), but connectivity is maintained.