Expired50% confidenceFactExact time
SSH uses port 22 by default, performing authentication via asymmetric encryption and then protecting session data via symmetric encryption.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
7/2/2026
First Seen
This claim has expired. It is kept for the record and no longer describes the current state.
Valid until: 9/30/2026(expired)
Sources
Freely Switch Between Claude/DeepSeek and Other AI Models in Codex: CPA Deployment Guide
bilibiliRC-kin6/5/2026
Related Claims
Unverified完善的 SSH 访问防护应结合网络层加密隧道、SSH 密钥认证、MFA 多因素验证和最小权限原则等多层防御75% similarUnverifiedSSH key authentication is based on asymmetric encryption principles, where the private key is kept locally and the public key is uploaded to the server, with no password transmission throughout the process, making it more secure than HTTPS username and password authentication71% similarUnverifiedSSH协议由芬兰研究员塔图·于勒宁于1995年设计,核心安全机制包括基于非对称加密的身份认证、对称加密的会话数据加密以及完整性验证71% similarUnverifiedCommon implementation schemes for end-to-end encryption include X25519-based key exchange combined with AES-256-GCM symmetric encryption; for LAN direct-connect scenarios, TLS 1.3 is already sufficient to meet transport security requirements.67% similarVerifiedLet's Encrypt provides free SSL certificates.67% similar
Cite This Claim
Stable URI
https://kongchang.com/claim/48085API
curl https://kongchang.com/api/v1/knowledge/claims/48085MCP
get_claim(id=48085)