Enable "VPN over HTTPS" or "VPN over ICMP/DNS" in the advanced settings of your SoftEther client. These protocols are harder for firewalls to detect. Conclusion
: The hostname, IP address, or port number entered in the client does not match the server's configuration. softether vpn client error code 1 free
Click to generate a fresh one. 5. Check Your Local Network (NAT/ISP) Enable "VPN over HTTPS" or "VPN over ICMP/DNS"