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* 产品  
  ![black arrow pointing left to go back to main navigation](https://www.paloaltonetworks.com/etc/clientlibs/clean/imgs/arrow-right-black.svg) 产品  
  [人工智能驱动的网络安全平台](https://www.paloaltonetworks.cn/network-security?ts=markdown)
  
  * [Secure AI by Design](https://www.paloaltonetworks.cn/precision-ai-security/secure-ai-by-design?ts=markdown)
  
  * [Prisma AIRS](https://www.paloaltonetworks.cn/prisma/prisma-ai-runtime-security?ts=markdown)
  
  * [AI Access Security](https://www.paloaltonetworks.cn/sase/ai-access-security?ts=markdown)
  
  * [云交付的安全服务](https://www.paloaltonetworks.cn/network-security/security-subscriptions?ts=markdown)
  
  * [高级威胁预防](https://www.paloaltonetworks.cn/network-security/advanced-threat-prevention?ts=markdown)
  
  * [Advanced URL Filtering](https://www.paloaltonetworks.cn/network-security/advanced-url-filtering?ts=markdown)
  
  * [Advanced WildFire](https://www.paloaltonetworks.cn/network-security/advanced-wildfire?ts=markdown)
  
  * [Advanced DNS Security](https://www.paloaltonetworks.cn/network-security/advanced-dns-security?ts=markdown)
  
  * [企业数据丢失防护](https://www.paloaltonetworks.cn/sase/enterprise-data-loss-prevention?ts=markdown)
  
  * [Enterprise IoT Security](https://www.paloaltonetworks.cn/network-security/enterprise-device-security?ts=markdown)
  
  * [医疗物联网安全](https://www.paloaltonetworks.cn/network-security/medical-iot-security?ts=markdown)
  
  * [工业 OT 安全](https://www.paloaltonetworks.cn/network-security/industrial-ot-security?ts=markdown)
  
  * [SaaS Security](https://www.paloaltonetworks.cn/sase/saas-security?ts=markdown)
  
  * [新一代防火墙](https://www.paloaltonetworks.cn/network-security/next-generation-firewall?ts=markdown)
  
  * [硬件防火墙](https://www.paloaltonetworks.cn/network-security/hardware-firewall-innovations?ts=markdown)
  
  * [软件防火墙](https://www.paloaltonetworks.cn/network-security/software-firewalls?ts=markdown)
  
  * [Strata Cloud Manager](https://www.paloaltonetworks.cn/network-security/strata-cloud-manager?ts=markdown)
  
  * [SD-WAN for NGFW](https://www.paloaltonetworks.cn/network-security/sd-wan-subscription?ts=markdown)
  
  * [PAN-OS](https://www.paloaltonetworks.cn/network-security/pan-os?ts=markdown)
  
  * [Panorama](https://www.paloaltonetworks.cn/network-security/panorama?ts=markdown)
  
  * [Secure Access Service Edge](https://www.paloaltonetworks.cn/sase?ts=markdown)
  
  * [Prisma SASE](https://www.paloaltonetworks.cn/sase?ts=markdown)
  
  * [应用加速](https://www.paloaltonetworks.cn/sase/app-acceleration?ts=markdown)
  
  * [自主数字体验管理](https://www.paloaltonetworks.cn/sase/adem?ts=markdown)
  
  * [企业 DLP](https://www.paloaltonetworks.cn/sase/enterprise-data-loss-prevention?ts=markdown)
  
  * [Prisma Access](https://www.paloaltonetworks.cn/sase/access?ts=markdown)
  
  * [Prisma 浏览器](https://www.paloaltonetworks.cn/sase/prisma-browser?ts=markdown)
  
  * [Prisma SD-WAN](https://www.paloaltonetworks.cn/sase/sd-wan?ts=markdown)
  
  * [远程浏览器隔离](https://www.paloaltonetworks.cn/sase/remote-browser-isolation?ts=markdown)
  
  * [SaaS Security](https://www.paloaltonetworks.cn/sase/saas-security?ts=markdown)  
    [基于 AI 的安全运营平台](https://www.paloaltonetworks.cn/cortex?ts=markdown)
  
  * [Cloud Security](https://www.paloaltonetworks.cn/cortex/cloud?ts=markdown)
  
  * [Cortex Cloud](https://www.paloaltonetworks.cn/cortex/cloud?ts=markdown)
  
  * [应用安全](https://www.paloaltonetworks.cn/cortex/cloud/application-security?ts=markdown)
  
  * [云态势安全](https://www.paloaltonetworks.cn/cortex/cloud/cloud-posture-security?ts=markdown)
  
  * [云运行时安全](https://www.paloaltonetworks.cn/cortex/cloud/runtime-security?ts=markdown)
  
  * [Prisma Cloud](https://www.paloaltonetworks.cn/prisma/cloud?ts=markdown)
  
  * [Unit 42 托管检测和响应](https://www.paloaltonetworks.cn/cortex/managed-detection-and-response?ts=markdown)
  
  * [人工智能驱动的 SOC](https://www.paloaltonetworks.cn/cortex?ts=markdown)
  
  * [Cortex Advanced Email Security](https://www.paloaltonetworks.cn/cortex/advanced-email-security?ts=markdown)
  
  * [Cortex Exposure Management](https://www.paloaltonetworks.cn/cortex/exposure-management?ts=markdown)
  
  * [Cortex XSIAM](https://www.paloaltonetworks.cn/cortex/cortex-xsiam?ts=markdown)
  
  * [Cortex XDR](https://www.paloaltonetworks.cn/cortex/cortex-xdr?ts=markdown)
  
  * [Cortex XSOAR](https://www.paloaltonetworks.cn/cortex/cortex-xsoar?ts=markdown)
  
  * [Cortex Xpanse](https://www.paloaltonetworks.cn/cortex/cortex-xpanse?ts=markdown)
  
  * [托管 XSIAM](https://www.paloaltonetworks.cn/cortex/managed-xsiam?ts=markdown)

* 解决方案  
  ![black arrow pointing left to go back to main navigation](https://www.paloaltonetworks.com/etc/clientlibs/clean/imgs/arrow-right-black.svg) 解决方案  
  AI 安全
  
  * [安全的人工智能生态系统](https://www.paloaltonetworks.cn/prisma/prisma-ai-runtime-security?ts=markdown)
  * [安全使用 GenAI](https://www.paloaltonetworks.cn/sase/ai-access-security?ts=markdown)  
    网络安全
  * [云网络安全](https://www.paloaltonetworks.cn/network-security/software-firewalls?ts=markdown)
  * [数据中心安全](https://www.paloaltonetworks.cn/network-security/data-center?ts=markdown)
  * [DNS Security](https://www.paloaltonetworks.cn/network-security/advanced-dns-security?ts=markdown)
  * [入侵检测和防御](https://www.paloaltonetworks.cn/network-security/advanced-threat-prevention?ts=markdown)
  * [IoT Security](https://www.paloaltonetworks.cn/network-security/enterprise-device-security?ts=markdown)
  * [5G 安全](https://www.paloaltonetworks.cn/network-security/5g-security?ts=markdown)
  * [确保所有应用、用户和位置的安全](https://www.paloaltonetworks.cn/sase/secure-users-data-apps-devices?ts=markdown)
  * [确保分支机构转型的安全](https://www.paloaltonetworks.cn/sase/secure-branch-transformation?ts=markdown)
  * [确保任何设备上的工作安全](https://www.paloaltonetworks.cn/sase/secure-work-on-any-device?ts=markdown)
  * [VPN 替代](https://www.paloaltonetworks.cn/sase/vpn-replacement-for-secure-remote-access?ts=markdown)
  * [Web 和网络钓鱼安全](https://www.paloaltonetworks.cn/network-security/advanced-url-filtering?ts=markdown)  
    云安全
  * [应用安全态势管理 (ASPM)](https://www.paloaltonetworks.cn/cortex/cloud/application-security-posture-management?ts=markdown)
  * [软件供应链安全](https://www.paloaltonetworks.cn/cortex/cloud/software-supply-chain-security?ts=markdown)
  * [代码安全](https://www.paloaltonetworks.cn/cortex/cloud/code-security?ts=markdown)
  * [云安全态势管理 (CSPM)](https://www.paloaltonetworks.cn/cortex/cloud/cloud-security-posture-management?ts=markdown)
  * [云基础架构权限管理 (CIEM)](https://www.paloaltonetworks.cn/cortex/cloud/cloud-infrastructure-entitlement-management?ts=markdown)
  * [数据安全态势管理 (DSPM)](https://www.paloaltonetworks.cn/cortex/cloud/data-security-posture-management?ts=markdown)
  * [AI 安全态势管理 (AI-SPM)](https://www.paloaltonetworks.cn/cortex/cloud/ai-security-posture-management?ts=markdown)
  * [云检测与响应 (CDR)](https://www.paloaltonetworks.cn/cortex/cloud-detection-and-response?ts=markdown)
  * [云工作负载保护 (CWP)](https://www.paloaltonetworks.cn/cortex/cloud/cloud-workload-protection?ts=markdown)
  * [Web 应用及 API 安全 (WAAS)](https://www.paloaltonetworks.cn/cortex/cloud/web-app-api-security?ts=markdown)  
    安全运营
  * [云检测和响应](https://www.paloaltonetworks.cn/cortex/cloud-detection-and-response?ts=markdown)
  * [网络安全自动化](https://www.paloaltonetworks.cn/cortex/network-security-automation?ts=markdown)
  * [事件案例管理](https://www.paloaltonetworks.cn/cortex/incident-case-management?ts=markdown)
  * [SOC 自动化](https://www.paloaltonetworks.cn/cortex/security-operations-automation?ts=markdown)
  * [威胁情报管理](https://www.paloaltonetworks.cn/cortex/threat-intel-management?ts=markdown)
  * [托管的检测和响应](https://www.paloaltonetworks.cn/cortex/managed-detection-and-response?ts=markdown)
  * [攻击面管理](https://www.paloaltonetworks.cn/cortex/cortex-xpanse/attack-surface-management?ts=markdown)
  * [合规性管理](https://www.paloaltonetworks.cn/cortex/cortex-xpanse/compliance-management?ts=markdown)
  * [互联网运营管理](https://www.paloaltonetworks.cn/cortex/cortex-xpanse/internet-operations-management?ts=markdown)  
    端点安全
  * [端点防护](https://www.paloaltonetworks.cn/cortex/endpoint-protection?ts=markdown)
  * [扩展的检测和响应](https://www.paloaltonetworks.cn/cortex/detection-and-response?ts=markdown)
  * [勒索软件防护](https://www.paloaltonetworks.cn/cortex/ransomware-protection?ts=markdown)
  * [数字取证](https://www.paloaltonetworks.cn/cortex/digital-forensics?ts=markdown)  
    [行业](https://www.paloaltonetworks.cn/industry?ts=markdown)
  * [公共部门](https://www.paloaltonetworks.com/industry/public-sector)
  * [金融服务](https://www.paloaltonetworks.com/industry/financial-services)
  * [制造](https://www.paloaltonetworks.com/industry/manufacturing)
  * [医疗保健](https://www.paloaltonetworks.com/industry/healthcare)
  * [中小型企业解决方案](https://www.paloaltonetworks.com/industry/small-medium-business-portfolio)

* 服务  
  ![black arrow pointing left to go back to main navigation](https://www.paloaltonetworks.com/etc/clientlibs/clean/imgs/arrow-right-black.svg) 服务  
  [威胁情报和事件响应服务](https://www.paloaltonetworks.cn/unit42?ts=markdown)
  
  * [评估](https://www.paloaltonetworks.cn/unit42/assess?ts=markdown)
  
  * [AI 安全评估](https://www.paloaltonetworks.cn/unit42/assess/ai-security-assessment?ts=markdown)
  
  * [攻击面评估](https://www.paloaltonetworks.cn/unit42/assess/attack-surface-assessment?ts=markdown)
  
  * [防泄露准备工作审核](https://www.paloaltonetworks.cn/unit42/assess/breach-readiness-review?ts=markdown)
  
  * [BEC 准备情况评估](https://www.paloaltonetworks.com/bec-readiness-assessment)
  
  * [云安全评估](https://www.paloaltonetworks.com/unit42/assess/cloud-security-assessment)
  
  * [入侵评估](https://www.paloaltonetworks.cn/unit42/assess/compromise-assessment?ts=markdown)
  
  * [网络风险评估](https://www.paloaltonetworks.cn/unit42/assess/cyber-risk-assessment?ts=markdown)
  
  * [并购网络尽职调查](https://www.paloaltonetworks.cn/unit42/assess/mergers-acquisitions-cyber-due-dilligence?ts=markdown)
  
  * [渗透测试](https://www.paloaltonetworks.cn/unit42/assess/penetration-testing?ts=markdown)
  
  * [紫队演习](https://www.paloaltonetworks.cn/unit42/assess/purple-teaming?ts=markdown)
  
  * [勒索软件就绪评估](https://www.paloaltonetworks.cn/unit42/assess/ransomware-readiness-assessment?ts=markdown)
  
  * [SOC 评估](https://www.paloaltonetworks.com/unit42/assess/soc-assessment)
  
  * [供应链风险评估](https://www.paloaltonetworks.cn/unit42/assess/supply-chain-risk-assessment?ts=markdown)
  
  * [桌面演习](https://www.paloaltonetworks.cn/unit42/assess/tabletop-exercise?ts=markdown)
  
  * [Unit 42 顾问人员](https://www.paloaltonetworks.cn/unit42/retainer?ts=markdown)
  
  * [响应](https://www.paloaltonetworks.cn/unit42/respond?ts=markdown)
  
  * [云事故响应](https://www.paloaltonetworks.cn/unit42/respond/cloud-incident-response?ts=markdown)
  
  * [数字取证](https://www.paloaltonetworks.cn/unit42/respond/digital-forensics?ts=markdown)
  
  * [事件响应](https://www.paloaltonetworks.cn/unit42/respond/incident-response?ts=markdown)
  
  * [托管检测与响应](https://www.paloaltonetworks.cn/unit42/respond/managed-detection-response?ts=markdown)
  
  * [托管威胁追踪](https://www.paloaltonetworks.cn/unit42/respond/managed-threat-hunting?ts=markdown)
  
  * [托管 XSIAM](https://www.paloaltonetworks.cn/cortex/managed-xsiam?ts=markdown)
  
  * [Unit 42 顾问人员](https://www.paloaltonetworks.cn/unit42/retainer?ts=markdown)
  
  * [转型](https://www.paloaltonetworks.cn/unit42/transform?ts=markdown)
  
  * [事故响应计划制定与审核](https://www.paloaltonetworks.cn/unit42/transform/incident-response-plan-development-review?ts=markdown)
  
  * [安全计划设计](https://www.paloaltonetworks.cn/unit42/transform/security-program-design?ts=markdown)
  
  * [虚拟 CISO](https://www.paloaltonetworks.cn/unit42/transform/vciso?ts=markdown)
  
  * [零信任咨询](https://www.paloaltonetworks.com/unit42/transform/zero-trust-advisory)  
    [全球客户服务](https://www.paloaltonetworks.cn/services?ts=markdown)
  
  * [教育与培训](https://www.paloaltonetworks.com/services/education)
  
  * [专业服务](https://www.paloaltonetworks.com/services/consulting)
  
  * [成功工具](https://www.paloaltonetworks.com/services/customer-success-tools)
  
  * [支持服务](https://www.paloaltonetworks.com/services/solution-assurance)
  
  * [客户成功](https://www.paloaltonetworks.com/services/customer-success)  
    [![](https://www.paloaltonetworks.com/etc/clientlibs/clean/imgs/logo-unit-42.svg)  
    Unit 42 顾问人员
    为满足企业的需求而定制，您可以选择将顾问人员工时数分配给我们的任意产品，包括主动网络风险管理服务。了解如何一键呼叫世界一流的 Unit 42 事故响应团队。
    了解更多](https://www.paloaltonetworks.cn/unit42/retainer?ts=markdown)

* 合作伙伴  
  ![black arrow pointing left to go back to main navigation](https://www.paloaltonetworks.com/etc/clientlibs/clean/imgs/arrow-right-black.svg) 合作伙伴  
  NextWave 合作伙伴
  
  * [NextWave 合作伙伴社区](https://www.paloaltonetworks.com/partners)
  * [云服务提供商](https://www.paloaltonetworks.com/partners/nextwave-for-csp)
  * [全球系统集成商](https://www.paloaltonetworks.com/partners/nextwave-for-gsi)
  * [技术合作伙伴](https://www.paloaltonetworks.com/partners/technology-partners)
  * [服务提供商](https://www.paloaltonetworks.com/partners/service-providers)
  * [解决方案提供商](https://www.paloaltonetworks.com/partners/nextwave-solution-providers)
  * [托管安全服务提供商](https://www.paloaltonetworks.com/partners/managed-security-service-providers)  
    采取行动
  * [门户网站登录](https://www.paloaltonetworks.com/partners/nextwave-partner-portal)
  * [管理的服务计划](https://www.paloaltonetworks.com/partners/managed-security-services-provider-program)
  * [成为合作伙伴](https://paloaltonetworks.my.site.com/NextWavePartnerProgram/s/partnerregistration?type=becomepartner)
  * [请求访问](https://paloaltonetworks.my.site.com/NextWavePartnerProgram/s/partnerregistration?type=requestaccess)
  * [查找合作伙伴](https://paloaltonetworks.my.site.com/NextWavePartnerProgram/s/partnerlocator)  
    [CYBERFORCE
    CYBERFORCE 代表了因其安全专业知识而值得信赖的前 1% 的合作伙伴工程师。
    了解更多](https://www.paloaltonetworks.com/cyberforce)

* 公司  
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  Palo Alto Networks
  
  * [关于我们](https://www.paloaltonetworks.cn/about-us?ts=markdown)
  * [管理团队](https://www.paloaltonetworks.com/about-us/management)
  * [投资者关系](https://investors.paloaltonetworks.com/)
  * [地点](https://www.paloaltonetworks.com/about-us/locations)
  * [道德与合规性](https://www.paloaltonetworks.com/company/ethics-and-compliance)
  * [企业责任](https://www.paloaltonetworks.com/about-us/corporate-responsibility)
  * [军人和退伍军人](https://jobs.paloaltonetworks.com/military)  
    [为什么选择 Palo Alto Networks？](https://www.paloaltonetworks.cn/why-paloaltonetworks?ts=markdown)
  * [Precision AI 安全](https://www.paloaltonetworks.cn/precision-ai-security?ts=markdown)
  * [我们的平台方法](https://www.paloaltonetworks.cn/why-paloaltonetworks/platformization?ts=markdown)
  * [加速网络安全转型](https://www.paloaltonetworks.com/why-paloaltonetworks/nam-cxo-portfolio)
  * [获得的奖项与表彰](https://www.paloaltonetworks.com/about-us/awards)
  * [客户案例](https://www.paloaltonetworks.cn/customers?ts=markdown)
  * [全球认证](https://www.paloaltonetworks.com/legal-notices/trust-center/compliance)
  * [全方位信任计划](https://www.paloaltonetworks.com/resources/whitepapers/trust-360)  
    职业生涯
  * [概述](https://jobs.paloaltonetworks.com/)
  * [文化与福利](https://jobs.paloaltonetworks.com/culture)  
    [《新闻周刊》评选出的最受欢迎的工作场所
    善待员工的企业
    阅读更多](https://www.paloaltonetworks.com/company/press/2021/palo-alto-networks-secures-top-ranking-on-newsweek-s-most-loved-workplaces-list-for-2021)

* 更多内容  
  ![black arrow pointing left to go back to main navigation](https://www.paloaltonetworks.com/etc/clientlibs/clean/imgs/arrow-right-black.svg) 更多内容  
  资源
  
  * [博客](https://www.paloaltonetworks.com/blog/?lang=zh-hans)
  * [Unit 42 威胁研究博客](https://unit42.paloaltonetworks.com/)
  * [社区](https://www.paloaltonetworks.com/communities)
  * [内容库](https://www.paloaltonetworks.cn/resources?ts=markdown)
  * [Cyberpedia](https://www.paloaltonetworks.cn/cyberpedia?ts=markdown)
  * [技术内幕](https://techinsider.paloaltonetworks.com/)
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3. [什么是 VPN 网关？](https://www.paloaltonetworks.cn/cyberpedia/what-is-a-vpn-gateway?ts=markdown)  
   目录

* 什么是 VPN 网关？
  * [VPN 网关如何工作？](https://www.paloaltonetworks.cn/cyberpedia/what-is-a-vpn-gateway#how?ts=markdown)
  * [VPN 网关的优势](https://www.paloaltonetworks.cn/cyberpedia/what-is-a-vpn-gateway#benefits?ts=markdown)
  * [VPN 网关的缺点](https://www.paloaltonetworks.cn/cyberpedia/what-is-a-vpn-gateway#disadvantages?ts=markdown)
  * [VPN 网关使用案例](https://www.paloaltonetworks.cn/cyberpedia/what-is-a-vpn-gateway#use-cases?ts=markdown)
  * [VPN 网关常见问题](https://www.paloaltonetworks.cn/cyberpedia/what-is-a-vpn-gateway#faq?ts=markdown)
* [什么是 VPN 集中器？](https://www.paloaltonetworks.com/cyberpedia/what-is-a-vpn-concentrator?ts=markdown)
  * [VPN 集中器如何工作？](https://www.paloaltonetworks.cn/cyberpedia/what-is-a-vpn-concentrator#how?ts=markdown)
  * [为什么要使用 VPN 集中器？](https://www.paloaltonetworks.cn/cyberpedia/what-is-a-vpn-concentrator#why?ts=markdown)
  * [VPN 集中器的优势](https://www.paloaltonetworks.cn/cyberpedia/what-is-a-vpn-concentrator#benefits?ts=markdown)
  * [VPN 集中器的缺点](https://www.paloaltonetworks.cn/cyberpedia/what-is-a-vpn-concentrator#disadvantages?ts=markdown)
  * [VPN 集中器加密协议类型](https://www.paloaltonetworks.cn/cyberpedia/what-is-a-vpn-concentrator#types?ts=markdown)
  * [VPN 集中器与 VPN 路由器](https://www.paloaltonetworks.cn/cyberpedia/what-is-a-vpn-concentrator#vpn-concentrator-vs-vpn-router?ts=markdown)
  * [VPN 集中器与站点到站点 VPN](https://www.paloaltonetworks.cn/cyberpedia/what-is-a-vpn-concentrator#vpn-concentrator-vs-site-to-site-vpn?ts=markdown)
  * [VPN 集中器与 IPsec 加密](https://www.paloaltonetworks.cn/cyberpedia/what-is-a-vpn-concentrator#vpn-concentrator-vs-ipsec-encryption?ts=markdown)
  * [VPN 集中器与 VPN 客户端](https://www.paloaltonetworks.cn/cyberpedia/what-is-a-vpn-concentrator#vpn-concentrator-vs-vpn-client?ts=markdown)
* [VPN 集中器常见问题](https://www.paloaltonetworks.cn/cyberpedia/what-is-a-vpn-concentrator#faq?ts=markdown)

# 什么是 VPN 网关？

目录

* * [VPN 网关如何工作？](https://www.paloaltonetworks.cn/cyberpedia/what-is-a-vpn-gateway#how?ts=markdown)
  * [VPN 网关的优势](https://www.paloaltonetworks.cn/cyberpedia/what-is-a-vpn-gateway#benefits?ts=markdown)
  * [VPN 网关的缺点](https://www.paloaltonetworks.cn/cyberpedia/what-is-a-vpn-gateway#disadvantages?ts=markdown)
  * [VPN 网关使用案例](https://www.paloaltonetworks.cn/cyberpedia/what-is-a-vpn-gateway#use-cases?ts=markdown)
* [VPN 网关常见问题](https://www.paloaltonetworks.cn/cyberpedia/what-is-a-vpn-gateway#faq?ts=markdown)

1. VPN 网关如何工作？

* * [VPN 网关如何工作？](https://www.paloaltonetworks.cn/cyberpedia/what-is-a-vpn-gateway#how?ts=markdown)
  * [VPN 网关的优势](https://www.paloaltonetworks.cn/cyberpedia/what-is-a-vpn-gateway#benefits?ts=markdown)
  * [VPN 网关的缺点](https://www.paloaltonetworks.cn/cyberpedia/what-is-a-vpn-gateway#disadvantages?ts=markdown)
  * [VPN 网关使用案例](https://www.paloaltonetworks.cn/cyberpedia/what-is-a-vpn-gateway#use-cases?ts=markdown)
* [VPN 网关常见问题](https://www.paloaltonetworks.cn/cyberpedia/what-is-a-vpn-gateway#faq?ts=markdown)

VPN 网关是一种网络设备，可在互联网上实现不同网络之间的加密通信，是虚拟专用网络的中心点。

VPN 网关可以连接多个网络，从本地部署的站点到虚拟私有云，为通过互联网安全交换信息提供便利。通过同一网关建立多个连接时，带宽由所有 VPN 隧道共享。

## VPN 网关如何工作？

![通过互联网连接远程用户和企业局域网的 VPN 网关。](https://www.paloaltonetworks.com/content/dam/pan/en_US/images/cyberpedia/how-a-vpn-gateway-works.png "通过互联网连接远程用户和企业局域网的 VPN 网关。")

*[虚拟专用网络 (VPN)](https://www.paloaltonetworks.cn/cyberpedia/what-is-a-vpn?ts=markdown)* 网关是连接专用网络和公共网络的桥梁。它在数据发送方和接收方之间建立 VPN 连接或隧道，并确保其安全。隧道传输通过各种 VPN 协议实现，包括 OpenVPN、IPsec 和 Internet 密钥交换（IKE）/IKEv2。每种协议在连接速度和加密级别方面都有不同的特点。

身份验证是虚拟专用网络网关的基本组成部分。用户在访问专用网络之前，必须先证明自己的身份。认证方法包括用户设备上的可信证书和在客户端应用程序中输入凭证。可使用双因素身份验证等强化安全措施来加强保护。

除身份验证外，VPN 网关还会分配一个 IP 地址（通常是静态地址），用于唯一标识网关。IP 地址对于 IP 白名单和促进远程访问等任务至关重要。VPN 网关管理 DNS 解析，引导互联网上的流量。一些高级型号还集成了 DNS 过滤功能，以防范网络钓鱼和恶意软件等威胁。另一个关键作用是访问控制，即定义和授予用户访问权限，最大限度地降低潜在的网络安全风险。

## VPN 网关的优势

![VPN 网关的优势包括活动一致、访问控制和数据检查。](https://www.paloaltonetworks.com/content/dam/pan/en_US/images/cyberpedia/vpn-gateway-benefits.png "VPN 网关的优势包括活动一致、访问控制和数据检查。")

VPN 网关与企业息息相关，因为它们提供了从远程访问公司资源的安全途径。它们促进公司专用网络与远程用户或站点之间的加密连接，确保数据的安全性和完整性。这样，员工就可以在任何地方安全地工作，支持办公室之间的安全通信，保护敏感的业务数据不被公共网络窃听或拦截。

### 一致的连接性

采用热备用架构可确保虚拟专用网络网关提供持续服务，即使在网络中断的情况下也是如此。这种架构可确保快速故障切换和不间断数据传输。

### 门禁控制

网络访问控制允许特定的用户权限，确保只有经过授权的人才能访问特定资源。这又增加了一层安全性，确保了数据的完整性。

### 数据检查

深度数据包检测可对网络传输的数据进行全面审查。通过检查，可以采取封堵特定端口或协议等措施来提高安全性。

## VPN 网关的缺点

随着 *[SASE（安全接入服务边缘）](https://www.paloaltonetworks.cn/cyberpedia/what-is-sase?ts=markdown)* 和 *[SD-WAN（软件定义广域网）](https://www.paloaltonetworks.cn/cyberpedia/what-is-sd-wan?ts=markdown)* 技术的兴起，传统的虚拟专用网络网关相比之下会面临一定的劣势。

### 复杂性

传统的 VPN 网关通常需要复杂的设置和手动配置，既麻烦又费时，尤其是对于拥有众多远程用户或分支机构的大型网络而言。

### 可扩展性限制

虽然虚拟专用网络网关可以实现安全连接，但由于依赖硬件和静态配置，它们可能难以实现大规模平滑扩展，而 SD-WAN 则不同，它的设计便于在庞大的网络中进行扩展。

### 性能问题

VPN 网关通常缺乏 SD-WAN 解决方案所提供的高级流量优化和应用感知路由选择功能，可能导致数据流效率降低。

### 减少可见度和控制

与 SASE 的云原生结构相比，传统 VPN 网关对网络流量和用户活动的可视性和控制可能有限，限制了详细的监督。

### 基本安全功能

SASE 将各种网络安全功能与广域网功能集成在一起，以满足动态访问需求，而 VPN 网关通常只注重安全访问，没有广泛的集成安全功能。

### 延迟

传统的 VPN 网关会通过集中式数据中心路由流量，从而带来延迟，这对于云应用来说是一个缺点，而 SASE 和 SD-WAN 技术则可以利用云网关最大限度地减少这一问题。

### 成本效益低

运营和扩展传统 VPN 网关基础设施通常不符合成本效益。与采用通常开销较低的云原生 SASE 解决方案相比，它可能会产生较高的费用。

### 隔离

VPN 网关可以作为独立的解决方案，可能需要与其他安全系统进行复杂的集成，而 SASE 则提供了一套全面而有凝聚力的安全工具。

### 灵活性和云就绪程度较低

传统 VPN 网关在适应各种连接类型方面的灵活性通常较低，而且可能不那么适合云环境，需要采取额外措施进行云优化，这与 SD-WAN 和 SASE 解决方案固有的云优化特性不同。

## VPN 网关使用案例

### 站点到站点连接

VPN 网关可促进企业不同地理位置之间的安全加密连接，例如将各分支机构连接到企业主网络。

### 远程访问

点到点 VPN 通常使用 VPN 网关作为接入点，通过互联网上的安全连接将个人设备与企业网络连接起来。

它们通过连接远程员工，提供对企业网络的安全访问，确保员工可以从企业外部环境访问内部资源，其安全级别与现场访问相同。

### 网络扩展

VPN 网关通过在公共互联网上封装和加密的隧道扩展企业网络，使网络可以跨越大范围地理区域的多个站点。

## VPN 网关常见问题

### VPN 网关有什么作用？

VPN 网关可在互联网上实现不同网络之间的加密通信，是虚拟专用网络的中心点。网关创建后，可管理 VPN 连接并确保其安全，促进受保护的信息交换。

### 什么是云 VPN 网关？

云 VPN 网关对于创建托管在云中的虚拟网络设备至关重要，它可以在用户设备和云资源之间实现安全的数据加密和连接，支持远程访问和站点到站点连接，而无需在用户所在地安装物理硬件。

### VPN 和 VPN 网关有什么区别？

VPN 是一种对用户的互联网连接进行加密以确保隐私和安全的服务，而 VPN 网关则是一种特定类型的网络设备，可管理多个网络或用户的 VPN 连接并确保其安全，起到安全接入点的作用。

### VPN 网关是路由器吗？

VPN 网关类似于路由器，它在网络之间引导流量，但它专门为 VPN 安全连接加密数据。

### VPN 网关安全吗？

VPN 网关一般都很安全，采用加密和安全协议来保护数据。然而，与任何技术一样，它也并非无懈可击，也可能受到复杂的网络威胁。

### 如何使用 VPN 网关？

使用提供的凭据将设备连接到企业 VPN 网关，以实现安全访问。IT 管理员通常协助进行配置和管理，确保您可以访问必要的内部资源，同时维护安全协议。

### VPN 网关是一个 IP 地址吗？

VPN 网关不是一个 IP 地址，而是一个路由和管理 VPN 流量的网络设备。它使用特定的 IP 地址建立安全的 VPN 连接，并引导互联网上的流量。
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* [自主数字体验管理](https://www.paloaltonetworks.cn/sase/adem?ts=markdown)

* [Enterprise DLP](https://www.paloaltonetworks.cn/sase/enterprise-data-loss-prevention?ts=markdown)

* [Prisma Access](https://www.paloaltonetworks.cn/sase/access?ts=markdown)

* [Prisma Browser](https://www.paloaltonetworks.cn/sase/prisma-browser?ts=markdown)

* [Prisma SD-WAN](https://www.paloaltonetworks.cn/sase/sd-wan?ts=markdown)

* [远程浏览器隔离](https://www.paloaltonetworks.cn/sase/remote-browser-isolation?ts=markdown)

* [SaaS Security](https://www.paloaltonetworks.cn/sase/saas-security?ts=markdown)

* [基于 AI 的安全运营平台](https://www.paloaltonetworks.cn/cortex?ts=markdown)

* [Cloud Security](https://www.paloaltonetworks.cn/cortex/cloud?ts=markdown)

* [Cortex Cloud](https://www.paloaltonetworks.cn/cortex/cloud?ts=markdown)

* [Application Security](https://www.paloaltonetworks.cn/cortex/cloud/application-security?ts=markdown)

* [云态势安全](https://www.paloaltonetworks.cn/cortex/cloud/cloud-posture-security?ts=markdown)

* [Cloud Runtime Security](https://www.paloaltonetworks.cn/cortex/cloud/runtime-security?ts=markdown)

* [Prisma Cloud](https://www.paloaltonetworks.cn/prisma/cloud?ts=markdown)

* [人工智能驱动的 SOC](https://www.paloaltonetworks.cn/cortex?ts=markdown)

* [Cortex XSIAM](https://www.paloaltonetworks.cn/cortex/cortex-xsiam?ts=markdown)

* [Cortex XDR](https://www.paloaltonetworks.cn/cortex/cortex-xdr?ts=markdown)

* [Cortex XSOAR](https://www.paloaltonetworks.cn/cortex/cortex-xsoar?ts=markdown)

* [Cortex Xpanse](https://www.paloaltonetworks.cn/cortex/cortex-xpanse?ts=markdown)

* [Unit 42 托管检测和响应](https://www.paloaltonetworks.cn/cortex/managed-detection-and-response?ts=markdown)

* [Managed XSIAM](https://www.paloaltonetworks.cn/cortex/managed-xsiam?ts=markdown)

* [威胁情报和事件响应服务](https://www.paloaltonetworks.cn/unit42?ts=markdown)

* [主动评估](https://www.paloaltonetworks.cn/unit42/assess?ts=markdown)

* [事故响应](https://www.paloaltonetworks.cn/unit42/respond?ts=markdown)

* [安全策略转型](https://www.paloaltonetworks.cn/unit42/transform?ts=markdown)

* [发现威胁情报](https://www.paloaltonetworks.cn/unit42/threat-intelligence-partners?ts=markdown)

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