什么是 SSL 证书？网站为什么需要安装 SSL 证书

［SQL语句］

SELECT catid,status,title,url,inputtime,updatetime,keywords,description FROM `lys2011` . `lys_article` WHERE (id = '52') LIMIT 1; [ RunTime:0.000386s ]

SELECT COUNT(*) AS total FROM `lys2011` . `lys_comment` WHERE (commentid = '1_5_52' AND status = '1'); [ RunTime:0.000344s ]

SELECT * FROM `lys2011` . `lys_comment` WHERE (commentid = '1_5_52' AND status = '1') ORDER BY id DESC LIMIT 0,20; [ RunTime:0.000258s ]

SELECT catid,catname,arrchildid,pclink,target FROM `lys2011` . `lys_category` WHERE siteid = 0 AND `display`=1 AND parentid=0 ORDER BY listorder ASC LIMIT 20; [ RunTime:0.000404s ]

［其他信息］

WEB服务器：Apache

PHP版本：8.4.17

路由信息：模块( comment )，控制器( index )，方法( more )，参数( sign=1_52 )

会话信息：PHPSESSID = 83f2d6b776a00b357228fa21ee2973d1

框架版本：2.9 查看新版