IIS6强制使用256位需要3个步骤:
这对支持AES 256的Vista/Windows7机器,可以使用IE浏览IIS6.0 HTTPS网站,这里的SSL使用256位加密。
简体32位
http://hotfixv4.microsoft.com/Windows%20Server%202003/sp3/Fix192447/3790/free/351382_CHS_i386_zip.exe
http://hotfixv4.microsoft.com/Windows%20Server%202003/sp3/Fix200653/3790/free/315135_CHS_i386_zip.exe
http://hotfixv4.microsoft.com/Windows%20Server%202003/sp3/Fix262679/3790/free/375507_CHS_i386_zip.exe
简体64位
http://hotfixv4.microsoft.com/Windows%20Server%202003/sp3/Fix192447/3790/free/351401_CHS_x64_zip.exe
http://hotfixv4.microsoft.com/Windows%20Server%202003/sp3/Fix200653/3790/free/315157_CHS_x64_zip.exe
繁体版 64位
http://hotfixv4.microsoft.com/Windows%20Server%202003/sp3/Fix192447/3790/free/351410_CHT_x64_zip.exe
http://hotfixv4.microsoft.com/Windows%20Server%202003/sp3/Fix192447/3790/free/351401_CHS_x64_zip.exe
http://hotfixv4.microsoft.com/Windows%20Server%202003/sp3/Fix262679/3790/free/375529_CHS_x64_zip.exe
上面3个补丁不能安装,先修复这2个
https://support.microsoft.com/zh-cn/kb/2718704
https://www.microsoft.com/zh-CN/download/details.aspx?id=30216
http://support.microsoft.com/kb/968730