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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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2. [Cybersecurity](https://www.paloaltonetworks.com/cyberpedia/cyber-security?ts=markdown)
3. [安全网关与 WAF：区别是什么？](https://www.paloaltonetworks.cn/cyberpedia/swg-vs-waf?ts=markdown)  
   目录

* [什么是 SWG？](#swg)
* [什么是 WAF？](#waf)
* [安全 Web 网关与 Web 应用程序防火墙：有哪些区别？](#differences)
* [安全 Web 网关与 Web 应用程序防火墙：有哪些相似之处？](#similarities)
* [SWG 和 WAF 能否协同工作？](#swg-and-waf)
* [SWG 和 WAF 在 SASE 中的作用](#roles)
* [WAF 与安全 Web 网关常见问题解答](#faq)

# 安全网关与 WAF：区别是什么？

目录

* [什么是 SWG？](#swg)
* [什么是 WAF？](#waf)
* [安全 Web 网关与 Web 应用程序防火墙：有哪些区别？](#differences)
* [安全 Web 网关与 Web 应用程序防火墙：有哪些相似之处？](#similarities)
* [SWG 和 WAF 能否协同工作？](#swg-and-waf)
* [SWG 和 WAF 在 SASE 中的作用](#roles)
* [WAF 与安全 Web 网关常见问题解答](#faq)

1. 什么是 SWG？

* [1. 什么是 SWG？](#swg)
* [2. 什么是 WAF？](#waf)
* [3. 安全 Web 网关与 Web 应用程序防火墙：有哪些区别？](#differences)
* [4. 安全 Web 网关与 Web 应用程序防火墙：有哪些相似之处？](#similarities)
* [5. SWG 和 WAF 能否协同工作？](#swg-and-waf)
* [6. SWG 和 WAF 在 SASE 中的作用](#roles)
* [7. WAF 与安全 Web 网关常见问题解答](#faq)

## 什么是 SWG？

![显示 SWG 组件以及从办公室和远程工作到云的流量流的示意图。](https://www.paloaltonetworks.com/content/dam/pan/en_US/images/cyberpedia/how-secure-web-gateway-works.png "显示 SWG 组件以及从办公室和远程工作到云的流量流的示意图。")

网络安全网关，又称安全网络网关或 SWG，是一种重要的网络安全工具，可管理网络访问并充当用户与互联网之间的中介。它能过滤和监控互联网流量，执行企业政策，防范网络威胁。各组织可在本地或云中部署 SWG。安全 Web 网关可检查发出的网络请求、验证用户身份并执行安全策略，以确保互联网使用符合组织标准。

SWG 的主要功能是为互联网流量提供一个安全的网关，防止恶意网站、恶意软件和其他网络威胁。通过实时过滤和检测网络流量，SWGs 可以在威胁到达终端用户设备之前对其进行检测和拦截。这有助于组织防止攻击和数据泄露，保持合规性，满足监管要求，保护敏感信息。

SWG 在确保组织网络安全和完整性方面发挥着至关重要的作用。它们提供的全面安全解决方案超越了基本的网络安全，具有URL过滤、应用程序控制和反恶意软件保护等高级功能。此外，SWG 还可以缓存经常访问的网络内容，减少带宽使用，从而帮助组织优化网络性能。

*[什么是安全 Web 网关（SWG）](https://www.paloaltonetworks.cn/cyberpedia/what-is-secure-web-gateway?ts=markdown)？*

## 什么是 WAF？

![WAF 图表显示了 HTTP 流量源在到达目的地服务器之前是如何被过滤的，以及被批准和被阻止的路径。](https://www.paloaltonetworks.com/content/dam/pan/en_US/images/cyberpedia/web-app-firewall.png "WAF 图表显示了 HTTP 流量源在到达目的地服务器之前是如何被过滤的，以及被批准和被阻止的路径。")

网络应用程序防火墙（WAF）通过仔细检查和过滤 HTTP 流量来防范 XSS、SQL 注入和文件包含等威胁。WAF 是网络应用程序、网络服务器和应用程序接口的重要防御手段。它们侧重于第 7 层，特别是针对应用级威胁。

WAF 位于网络应用程序的前端，充当反向代理，拦截并检查数据包，确保只有合法流量才能到达应用程序。网络应用程序防火墙利用访问控制及时阻止可疑或恶意流量，防止潜在攻击。这种设置可提高网络应用程序的安全性，保护应用程序免受互联网威胁的直接威胁。

WAF 使用策略或规则集来区分包含恶意代码的流量和良性流量。安全分析师可以迅速调整规则，对新出现的威胁或不断变化的攻击模式做出即时响应。定期更新规则对维护安全至关重要。

## 安全 Web 网关与 Web 应用程序防火墙：有哪些区别？

|                                                                                                                   WAF 与 Web 安全网关的区别                                                                                                                    ||
|--------------------------------------------------------------------------------------------------------------------------|------------------------------------------------------------------------------------------------------------------------------|
| **SWG**                                                                                                                  | **WAF**                                                                                                                      |
| \* 过滤不需要的软件/网络流量 \* 执行合规性政策 \* 部署在服务器、云虚拟机或软件上 \* URL 过滤、反恶意软件、应用程序控制、威胁预防功能 \* 检查所有传出/传入的网络流量 \* 根据使用政策对用户进行身份验证 \* 保护组织免受网络威胁 | \* 保护网络应用程序免受攻击 \* 过滤和监控数据包 \* 以软件、设备或服务形式部署 \* 防止 XSS、SQL 注入和 Cookie 中毒 \* 检查 HTTP/S 流量中的恶意请求 \* 针对网络应用需求的政策定制 \* 维护网络应用程序中敏感数据的安全 |

### 目的和重点

SWG 的主要目的是过滤不需要的软件和互联网流量，以执行企业和监管政策的合规性。相比之下，WAF 主要通过过滤和监控 HTTP 流量来保护网络应用程序免受攻击。

### 部署

SWG 部署选项包括物理服务器、云虚拟机或软件应用程序。SWG 位于用户和互联网之间。另一方面，WAF 部署选项包括软件、设备或即服务。

### 主要功能

SWG 功能通常包括 URL 过滤、反恶意软件、应用程序控制和威胁预防。WAF 可防范跨站点脚本 (XSS)、SQL 注入和 Cookie 中毒等应用级攻击，并可进行策略定制，以满足网络应用的独特需求。

### 交通检查方法

SWG 检查所有传出和传入的网络流量，验证用户身份并检查请求，以确保符合可接受使用政策。WAF 专门检查进出网络应用程序的 HTTP/S 流量，重点是根据一套定义的策略识别和阻止恶意请求。

### 使用案例

SWG 保护组织免受网络威胁，并执行互联网使用政策。WAF 可保护网络应用程序免受有针对性的攻击，并帮助维护这些应用程序所处理的敏感数据的安全性和完整性。

## 安全 Web 网关与 Web 应用程序防火墙：有哪些相似之处？

| Web 安全网关与 Web 应用程序防火墙：它们有什么相似之处？ ||
|---|---|
| \* 两者都执行特定的安全策略 \* 帮助组织遵守监管标准 \* 保护敏感数据不被泄露 \* 防范网络威胁 \* 通过更新适应不断变化的新威胁 \* 更新过滤和监测机制 \* 实施新规则，远离安全风险 ||

### 政策执行

这两种技术都执行特定的安全策略。SWG 实施政策，确保安全使用互联网并合规性监管要求。WAF 应用策略来保护网络应用程序免受 SQL 注入和跨站点脚本等漏洞和攻击。

### 合规性和数据保护

SWG 和 WAF 在帮助组织遵守监管标准和保护敏感数据方面都发挥着作用。它们提供了预防数据泄露、防范网络威胁、确保互联网使用和网络应用符合合规性要求的机制。

### 对威胁的适应能力

现代 SWG 和 WAF 系统都能适应不断变化的新威胁。它们更新过滤和监控机制，以应对最新的安全风险。通过更新威胁数据库和实施新规则的能力，这两项技术在瞬息万变的安全环境中始终保持着相关性。

## SWG 和 WAF 能否协同工作？

安全 Web 网关和 Web 应用程序防火墙是组织防御策略的基本要素。它们互为补充，确保不同网络流量的安全。SWG 检查并过滤所有出站和入站网络流量，而 WAF 则通过过滤入站 HTTP 流量来保护网络应用。

## SWG 和 WAF 在 SASE 中的作用

SWG 通过提供全面的网络安全，成为 [安全访问服务边缘](https://www.paloaltonetworks.cn/cyberpedia/what-is-sase?ts=markdown) （SASE）的核心组成部分。其作用是阻止恶意网站和互联网流量的访问，实行企业和监管政策合规性，并预防恶意软件等威胁进入网络或端点。通过在网络边缘运行，SWGs 可为所有用户应用一致的安全策略和数据保护措施，而不受地点限制。

WAF 并非 SASE 架构的明确组成部分，然而，由于 WAF 专注于保护网络应用程序，因此自然而然地融入了 SASE Framework。在 SASE 架构中，WAF 的作用是确保远程用户访问的网络应用程序的完整性和安全性。

在 SASE 的背景下，SWG 和 WAF 都致力于保护组织面向互联网的基础设施的不同方面。它们共同提供了针对各种网络威胁的分层防御，对于保护当今企业环境中的分散资源和远程特性至关重要。

## WAF 与安全 Web 网关常见问题解答

### Web 安全网关和 WAF 有什么区别？

Web 网关通过过滤不需要的软件来确保互联网访问的安全，而网络应用防火墙（WAF）则通过过滤和监控 HTTP 流量来保护网络应用免受攻击。

### 防火墙和 Web 安全网关有什么区别？

防火墙通过控制入站和出站流量来确保网络安全，而 Web 网关则专门确保网络流量的安全。

### 网关和防火墙有什么区别？

网关连接不同的网络并路由流量，而防火墙则根据安全规则过滤网络之间的流量。

### API 网关和 WAF 有什么区别？

API 网关负责管理和路由 API 请求，而 WAF 则通过过滤 HTTP 流量来保护 API 免受攻击。

### 应用网关和应用防火墙有什么区别？

应用网关可路由应用流量以实现负载平衡，而应用防火墙则通过过滤恶意流量来保护应用。
相关内容  
[什么是 SASE？
SASE 将 SD-WAN 与 SWG、CASB、FWaaS 和 ZTNA 等安全功能整合为一项服务。](https://www.paloaltonetworks.cn/cyberpedia/what-is-sase?ts=markdown)  
[云安全 Web 网关
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