国科云提供域名管理、域名锁、智能解析、DDI、IPv6转换、SSL证书等一站式域名解决方案，并形成以云解析、云监控、云盾、云服务器为核心的云计算产品服务体系。
发布时间：2023-08-31 16:24:51
但需要注意的是，SSL证书在安装部署之后，并非永久有效，而是有一定的有效期限，如果证书过期没有及时续费，就会导致浏览器提示不安全连接或阻止访问该网站的告警，用户对网站的信任度降低，严重影响网站的流量转化和业务开展。因此，在SSL证书过期后，要及时采取措施来更换或续签SSL证书，以确保网站的可靠性和安全性。.........【阅读全文】
发布时间：2023-08-29 16:15:19
根据报告显示，2023年数据泄露的全球平均成本上升至445万美元，达到历史新高，比2022年的435万美元增加了2.3%，比2020年的386万美元增加了15.3%。造成数据泄露的主要攻击方式仍是网络钓鱼和凭证泄露（被盗），这两种攻击手段分别占泄露行为的16%和15%。其后则是云配置错误和商业电子邮件泄露，分别占11%和9%。此外，.........【阅读全文】
发布时间：2023-08-25 16:52:17
什么是SSL证书？SSL证书的工作原理从上面的这个传输过程中可以看出，SSL证书同时使用了非对称加密和对称加密两种技术手段，使用非对称加密将随机串发送给服务器，服务器得到这个随机串后，会使用这个随机串对数据加密与客户端进行通信，整个传输过程都是处于加密状态，这样就有效保障了信息的完整性、准确性和安.........【阅读全文】
发布时间：2023-08-22 16:24:45
国产密码算法是提升国家密码安全和数据安全的关键技术，是保障我国网络安全自主可控的重要基础。为保障重要经济系统密码应用安全，也为了从根本上摆脱对国外密码技术和产品的依赖，国产密码算法的替代与应用已势在必行。什么是国密算法？SM2是基于椭圆曲线的公钥密码算法，包括用于数字签名的SM2-1、用于密钥交换.........【阅读全文】
发布时间：2023-08-18 17:13:51
一、DNS解析生效原理网站管理人员在权威解析服务器直接根据域名和IP的对应关系，添加或修改解析记录，一般情况下，权威解析服务器的解析记录很快就能生效。而各地递归解析服务器的解析记录并不会立即生效，而是需要等待不同的时间，才能完成解析记录的同步更新，这里我们需要了解DNS结构中的缓存机制。DNS缓存提.........【阅读全文】
JVDLFFLR2025-08-03 17:15
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