端口是什么意思

{"optioninfo":{"dynamic":"ture","static":"true"},"simplifiedDisplay":"newEdition","newCard":[{"ifIcon":"img","link":"https://img.alicdn.com/tfs/TB1XY8hGYr1gK0jSZFDXXb9yVXa-1740-328.png","icon":"","iconImg":"https://img.alicdn.com/tfs/TB1d.GPoMgP7K4jSZFqXXamhVXa-200-200.png","contentLink":"https://www.aliyun.com/product/cfw","title":"云防火墙","des":"云防火墙是一款云原生的企业机构上云边界网络安全防护服务，提供统一的互联网边界、内网VPC边界、主机边界流量管控防护，包括实时入侵防护、智能化访问控制、日志溯源分析等能力，是您的网络边界防护和等保合规利器。","link1":"https://yundunnext.console.aliyun.com/?spm=5176.151680.785291.ee.149d9179fzEHRW&p=cfwnext#/overview/safe","btn1":"产品控制台","link2":"https://common-buy.aliyun.com/?spm=5176.151680.785291.ee.149d9179fzEHRW&commodityCode=vipcloudfw#/buy","btn2":"立即购买","btn3":"产品文档","link3":"https://help.aliyun.com/product/90174.html?spm=5176.151680.785291.aa.149d9179fzEHRW","infoGroup":[{"infoName":"最佳实践","infoContent":{"firstContentLink":"https://help.aliyun.com/document_detail/91253.html?spm=a2c4g.11186623.6.625.6dd1642dWH91Kj","firstContentName":"云防火墙中控蠕虫防御","lastContentName":"配置访问控制策略","lastContentLink":"https://help.aliyun.com/document_detail/107837.html?spm=a2c4g.11186623.6.628.652c2f75Nhg8uo"}},{"infoName":"优惠活动","infoContent":{"firstContentName":"免费试用","firstContentLink":"https://yundunnext.console.aliyun.com/?spm=5176.151680.785291.ee.149d9179fzEHRW&p=cfwnext#/overview/safe","lastContentLink":"","lastContentName":""}},{"infoName":"产品入门","infoContent":{"firstContentName":"产品快速入门","lastContentName":"常见问题","firstContentLink":"https://help.aliyun.com/document_detail/90527.html?spm=a2c4g.11186623.6.560.6dd1642dWH91Kj","lastContentLink":"https://help.aliyun.com/document_detail/90653.html?spm=a2c4g.11186623.6.638.6dd1642dWH91Kj"}},{"infoName":"最新动态","infoContent":{"firstContentLink":"https://help.aliyun.com/document_detail/104457.html?spm=5176.151680.785291.ee.149d9179fzEHRW","firstContentName":"产品最新动态","lastContentLink":"","lastContentName":""}}]}],"card":[],"search":[],"infoCard":[{"bannerUrl":"https://img.alicdn.com/tfs/TB1Xf81a3gP7K4jSZFqXXamhVXa-5169-974.jpg","bannerTitle":"mPaaS 小程序","bannerContent":"源自于支付宝小程序框架，亿级线上业务体量的锤炼，安全性媲美支付宝原生能力。<br>不仅面向自有 App 投放小程序，更可快速构建打包，覆盖支付宝、淘宝、钉钉等应用。","liveButtonName":"查看详情","liveButtonLink":"https://www.aliyun.com/product/mobilepaas/mpaas-miniprogram","contentTitle":"提供即开即用的端上体验","homePageLink":"https://common-buy.aliyun.com/?spm=5176.14673561.J_8751524360.2.56702709BussF3&commodityCode=mpaas_beta#/open","homePageName":"免费试用","linkGroup":[{"linkContent":"发布包大小极致优化，节省流量和存储。"},{"linkContent":"服务迭代不再受发版限制，快速发布，快速迭代。"},{"linkContent":"业务开发效率更加优秀，一次开发，多端运行。"}]}],"title":{"mainTitle":"mPaaS","subtitle":"源自于支付宝小程序框架，亿级线上业务体量的锤炼，安全性媲美支付宝原生能力。不仅面向自有 App 投放小程序，更可快速构建打包，覆盖支付宝、淘宝、钉钉等应用。","linkUrl":"https://www.aliyun.com/product/mobilepaas/mpaas-miniprogram","btnText":"查看详情"},"visual":{"topbg":"https://img.alicdn.com/tfs/TB1bQuBIYH1gK0jSZFwXXc7aXXa-3840-740.gif","icon":"","textColor":"dark"},"dataList":[{"summary":"啦啦啦","author":"wuwu","linksUrl":"#"}],"sceneCard":[],"txt":[]}

{"$env":{"JSON":{}},"$page":{"env":"production"},"$context":{"optioninfo":{"dynamic":"ture","static":"true"},"simplifiedDisplay":"newEdition","newCard":[{"ifIcon":"img","link":"https://img.alicdn.com/tfs/TB1XY8hGYr1gK0jSZFDXXb9yVXa-1740-328.png","icon":"","iconImg":"https://img.alicdn.com/tfs/TB1d.GPoMgP7K4jSZFqXXamhVXa-200-200.png","contentLink":"https://www.aliyun.com/product/cfw","title":"云防火墙","des":"云防火墙是一款云原生的企业机构上云边界网络安全防护服务，提供统一的互联网边界、内网VPC边界、主机边界流量管控防护，包括实时入侵防护、智能化访问控制、日志溯源分析等能力，是您的网络边界防护和等保合规利器。","link1":"https://yundunnext.console.aliyun.com/?spm=5176.151680.785291.ee.149d9179fzEHRW&p=cfwnext#/overview/safe","btn1":"产品控制台","link2":"https://common-buy.aliyun.com/?spm=5176.151680.785291.ee.149d9179fzEHRW&commodityCode=vipcloudfw#/buy","btn2":"立即购买","btn3":"产品文档","link3":"https://help.aliyun.com/product/90174.html?spm=5176.151680.785291.aa.149d9179fzEHRW","infoGroup":[{"infoName":"最佳实践","infoContent":{"firstContentLink":"https://help.aliyun.com/document_detail/91253.html?spm=a2c4g.11186623.6.625.6dd1642dWH91Kj","firstContentName":"云防火墙中控蠕虫防御","lastContentName":"配置访问控制策略","lastContentLink":"https://help.aliyun.com/document_detail/107837.html?spm=a2c4g.11186623.6.628.652c2f75Nhg8uo"}},{"infoName":"优惠活动","infoContent":{"firstContentName":"免费试用","firstContentLink":"https://yundunnext.console.aliyun.com/?spm=5176.151680.785291.ee.149d9179fzEHRW&p=cfwnext#/overview/safe","lastContentLink":"","lastContentName":""}},{"infoName":"产品入门","infoContent":{"firstContentName":"产品快速入门","lastContentName":"常见问题","firstContentLink":"https://help.aliyun.com/document_detail/90527.html?spm=a2c4g.11186623.6.560.6dd1642dWH91Kj","lastContentLink":"https://help.aliyun.com/document_detail/90653.html?spm=a2c4g.11186623.6.638.6dd1642dWH91Kj"}},{"infoName":"最新动态","infoContent":{"firstContentLink":"https://help.aliyun.com/document_detail/104457.html?spm=5176.151680.785291.ee.149d9179fzEHRW","firstContentName":"产品最新动态","lastContentLink":"","lastContentName":""}}]}],"card":[],"search":[],"infoCard":[{"bannerUrl":"https://img.alicdn.com/tfs/TB1Xf81a3gP7K4jSZFqXXamhVXa-5169-974.jpg","bannerTitle":"mPaaS 小程序","bannerContent":"源自于支付宝小程序框架，亿级线上业务体量的锤炼，安全性媲美支付宝原生能力。<br>不仅面向自有 App 投放小程序，更可快速构建打包，覆盖支付宝、淘宝、钉钉等应用。","liveButtonName":"查看详情","liveButtonLink":"https://www.aliyun.com/product/mobilepaas/mpaas-miniprogram","contentTitle":"提供即开即用的端上体验","homePageLink":"https://common-buy.aliyun.com/?spm=5176.14673561.J_8751524360.2.56702709BussF3&commodityCode=mpaas_beta#/open","homePageName":"免费试用","linkGroup":[{"linkContent":"发布包大小极致优化，节省流量和存储。"},{"linkContent":"服务迭代不再受发版限制，快速发布，快速迭代。"},{"linkContent":"业务开发效率更加优秀，一次开发，多端运行。"}]}],"title":{"mainTitle":"mPaaS","subtitle":"源自于支付宝小程序框架，亿级线上业务体量的锤炼，安全性媲美支付宝原生能力。不仅面向自有 App 投放小程序，更可快速构建打包，覆盖支付宝、淘宝、钉钉等应用。","linkUrl":"https://www.aliyun.com/product/mobilepaas/mpaas-miniprogram","btnText":"查看详情"},"visual":{"topbg":"https://img.alicdn.com/tfs/TB1bQuBIYH1gK0jSZFwXXc7aXXa-3840-740.gif","icon":"","textColor":"dark"},"dataList":[{"summary":"啦啦啦","author":"wuwu","linksUrl":"#"}],"sceneCard":[],"txt":[]}}