** WARNING: connection is not using a post-quantum key exchange algorithm. ** This session may be vulnerable to "store now, decrypt later" attacks. ** The server may need to be upgraded. See https://openssh.com/pq.html 沿伸网络科技 - 企业级 SD-WAN 异地组网解决方案
SD-WAN

Enterprise-Grade SD-WAN
Secure Remote Networking Solution

No public IP required. NAT traversal built-in. Manage multi-branch networks from one console. Encrypted P2P tunnels, 3x faster than traditional VPN.

No Credit Card Free Forever 3-Min Setup
99.9%
Availability
<20ms
Local Latency
AES-256
End-to-End Encryption
3min
Setup Time

Core Capabilities

More than VPN — a complete private network infrastructure

P2P Direct

Nodes connect directly with encrypted tunnels. No relay servers. Ultra-low latency, unlimited bandwidth.

End-to-End Encryption

ChaCha20-Poly1305 encryption, Curve25519 key exchange. Bank-grade security.

NAT Traversal

Proprietary NAT hole-punching algorithm. Supports all NAT types. 95%+ success rate.

Centralized Management

Manage networks, nodes, and ACL rules from a web console. Real-time topology and online status.

REST API

Full REST API for seamless integration into your DevOps pipeline. Supports automated deployment.

Cross-Platform Support

Windows, Linux, macOS, Raspberry Pi ARM. One account for all devices.

Get Started in 3 Steps

1
Sign Up & Create Network

Register for free, create a virtual network in the console, and get your unique Network ID.

2
Install Client

Download and install the YSKJ client on Windows, Linux, or macOS.

3
Join network

Join with your Network ID. Encrypted tunnels are established automatically. Plug & play.

Transparent Pricing

Free for personal use. Paid plans unlock more power.

免费版

体验基础功能

¥0Free Forever
1 networks
3 nodes
Web Management Console
ACL Access Control
REST API
Remote Desktop
Sign Up Free
基础版

适合个人用户

¥29/mo
3 networks
10 nodes
Web Management Console
ACL Access Control
REST API
Remote Desktop
Order Now
企业版

适合企业部署

¥299/mo
Unlimited networks
200 nodes
Web Management Console
ACL Access Control
REST API
Remote Desktop
Order Now

Download Client

Supports Windows, Linux, macOS

About 沿伸网络科技

YSKJ is dedicated to providing secure and efficient SD-WAN remote networking services. Proprietary encryption + NAT traversal, keeping every device connected securely from anywhere.

Phone

171-3388-8866

Email

9822533@qq.com

QQ

9822533

FAQ

YSKJ is a fully self-hosted solution. Data never passes through third-party servers. Deploy on your own server for complete control.

The free plan supports 1 virtual network and 3 nodes. Core features are identical to paid plans, with no time limit.

No. NAT hole-punching lets devices behind NAT establish tunnels directly. Relay is used only as a last resort.

ChaCha20-Poly1305 encryption + Curve25519 key exchange. Keys never pass through the coordinator.

Windows, Linux, macOS, ARM (Raspberry Pi). Manage all devices with one account.

Start Now

Sign up free. Connect your first device in 3 minutes.

Sign Up Free