如果您的坚果云账号对应的邮箱里收到一封“警告！您的账号正在遭受攻击”的邮件，通常是如下原因导致的：
1）您在登录的时候坚果云账号密码输错超过6次；
2）您在使用WebDAV功能的时候密码输错超过6次；
（注：WebDAV的密码为第三方应用密码，非坚果云的登录密码，如何获取应用密码请参考：坚果云第三方应用授权WebDAV开启方法）
3）您曾经给第三方app（包含坚果云旗下通过授权登录的系列产品）授权后，在坚果云处取消了授权，但没有清理三方app中的设置并继续使用，导致三方app不断用已被撤销授权的应用密码去请求读取坚果云的文件；
4）可能有他人试图使用错误的密码登录您的坚果云账号，如您确认不是本人操作的，建议您及时更换您的密码。
如果您确认您的账号没有安全问题，您可以在收到的邮件中手动解除账号锁定，或者重置您的密码。
您也可以打开动态身份验证，进一步保障您的账户安全。如何开启和关闭坚果云手机身份验证？
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通过添加模板可以对成员的存储空间、IP限制和分享限制进行批量设置，以实现组织结构调整、部门调动、新人入职等情境下的快速设置。如图所示：
Introduction:
By adding templates, you can set members’ storage space, IP restrictions, and sharing restrictions in batches, to achieve quick settings in the context of organizational structure adjustments, department transfers, new hires and other situations.
Steps:
1. Log in Nutstore webpage. Then click “Manage Team” on the upper right corner.
2. Click “Templates” to set details.
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高级团队版可以通过开启远程擦除的功能实现当取消用户的权限的时候，删除云端的数据，同时对已经同步到本地的文件进行加密，在文件后添加（ToBeWiped)后缀。
给本地文件加密主要是为了防止由于误操作删除权限导致本地文件被误删除，加密后的文件可以手动删除，如果需要解密，只能由管理员账号向坚果云发邮件申请解密，这个主要是为了防止员工离职， 尝试利用流程漏洞， 去获取已经擦除的文件。
进入网页版坚果云，点击右上角的【管理团队】-【团队设置】界面可以开启这一功能
当用户失去权限后，已经同步到本地的文件会自动加上（ToBeWiped)后缀。
Introduction:
If administrator enables this feature, when the synchronization permission of a team member is canceled, he will not be able to view the corresponding synchronization folder in the cloud. At the same time, the files that have been synchronized to the computer will be encrypted, which can effectively prevent accidental leakage of data.Encrypted files can be deleted manually. If you need to decrypt due to a mistake delete, your team administrator needs to contact Nutstore staff to help solve the problem.
How to enable this feature?
Use team administrator account, enter Nutstore web page, click the [Management Team] – [Settings] interface in the upper right corner, read the instructions carefully and enable this function.
The effect as shown in the illustration:
Files that have been synced to the local will automatically add (ToBeWiped) suffixes when the user does not have access.
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可以对单独的成员去设置此功能，例如对普通员工设置只能在公司IP地址登录坚果云，以防把公司文件同步到家里电脑或者任何的公共电脑，导致的文件泄露。打开网页端-管理团队-成员管理，点击指定对象旁边的操作按钮，选择“IP限制”。
例如：对“李思敏”设置IP限制。
在状态选项里选择“开启”，IP地址中输入公司IP地址。
在设置完毕后，李思敏除了在公司以外的IP地址下都无法登陆，包括手机端。如下图所示，手机端登陆后提示账户被禁用，登录失败。
Introduction
You can set this feature for individual members. For example, enable this feature allows ordinary employees to log in Nutstore only at the company IP address, to prevent the company files from being synchronized to their home computer or any public computer, resulting in file leakage.
Steps
1. Log in Nutstore webpage. Then click “Manage Team” on the upper right corner.
2. Click “Members”, for example, here we choose member TOM, then click more operation and choose “IP Rules”.
3. Select “ON” in the status option and enter the company IP address in the IP Address. As show below:
After the setting is completed, Tom cannot log in Nutstore with any IP address except the company address, including mobile client.
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针对某些成员可单独设置此功能，比如刚入职的新人。有效禁止重要文件的泄露，开启后无法把文件分享给团队外的人。打开网页端-管理团队-成员管理，点击指定对象旁边的操作按钮，选择“限制分享”。
例如：对“李思敏”设置限制分享。
当李思敏尝试把文件分享给团队外的成员时，她即使获取了访问链接发送出去，对方打开后是无法查看的，出现的提示如下图所示。
Introduction:
This feature can be set individually for some members, such as new hires. They are limited to share files with people outside the team after enabling this feature.
Steps:
1. Log in Nutstore webpage. Then click “Manage Team” on the upper right corner.
2. Click “Members”, for example, here we choose member TOM, then click more operation and choose “Limit sharing”.
When Tom tries to share the file with members outside the team, even if he gets the access link and sends it to them, they can’t view the file content after opening it.
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数据的安全性对于使用坚果云的用户来说是至关重要的。坚果云可以做到只要根文件夹还在的情况就可以从坚果云网页端的回收站中找回误删除的数据。很多用户会担心自己的员工因为误操作或人为等原因造成数据的消失。这时，“禁止粉碎文件”功能可以替用户的数据安全加一道安全锁。和手机短信认证相同，禁止粉碎文件”是在管理员后台的“团队设置”来开启（如图1）。
图1 禁止粉碎文件
开启后，当团队有成员想在回收站中粉碎文件的时候，就会出现“由于管理员已经设置禁止粉碎文件，粉碎操作失败”的提示（如图2）。
图2 开启禁止粉碎文件后效果
Introduction
Data security is critical for users. Nutstore can retrieve the deleted data from Nutstore recycle bin on webpage as long as the root folder is still there. Many users will worry about the disappearance of data by their employees due to misoperation or man-made reasons. In this case, the ” Disable file purge” feature can add a security lock for user’s data.
Steps This function needs to be enabled by the team admin.
1. Log in Nutstore webpage: https:/www.jianguoyun.com. Then click “Manage Team” on the upper right corner.
2. Click “Settings” to find “Disable file purge”, check to enable or disable this feature. Click “save” to save setting result.
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自定义LOGO/域名是高级团队版以上用户的一个个性化设置。通过设置自定义域名和LOGO,可以在登录的时候看到公司的LOGO和域名，同时在使用分享链接给公司以外的用户的时候，也可以看到公司的域名和LOGO，有助于提升公司的形象。
设置自定义LOGO/域名需要提供以下信息：
效果图如下：
Introduction:
User-defined logo / domain name is a feature of Nutstore Ultimate Team Edition. Standard Team Edition and Advanced Team Edition don’t provide this feature. By setting this feature, you can see the company’s logo and domain name when log in Nutstore Account. At the same time, you can also see the company’s domain name and logo when using shared link feature to share files with other users.
The following information are required to use this feature:
▪ Subdomain: must belong to jianguoyun.com, and the host is greater than 5 characters, for example: nutstoretest.jianguoyun.com
▪ Custom logo: the size should not exceed 64KB, it must be in png or jpg format, the best resolution is 198 * 59
▪ Login page image: the size should not exceed 512KB, it must be in png or jpg format, the best resolution is 579 * 426
The effect diagram is as follows:
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短信认证是高级团队版和旗舰团队版的功能。拥有该功能的团队中团队成员可以在网页端坚果云的个人信息设置界面找到“安全选项”，在这里开启短信认证，以提高账号安全性。高级团队版的团队管理员可以通过管理员后台的“团队设置”来进行强制手机短信认证的开启（如图1、图2）。
图1 手机身份验证开启
图2 强制手机身份验证开启
开启后，团队所有成员在登录坚果云的时候都需要通过手机进行二次验证，否则无法登陆坚果云账号（图3为网页端坚果云登录时短信验证界面）。验证后则可以登录坚果云。
图3 短信二次验证在网页端的显示
不止是坚果云的客户端以及网页端，包括移动端坚果云app登录的时候也会强行进行短信二次验证（如图4）。
图4短信二次验证在移动端的显示
Team edition
SMS authentication is a feature of the advanced team edition and the ultimate team edition.
How to enable this feature?
a) If you are the admin of teamFirst, log in Nutstore webpage.Then click “Manage Team” on the upper right cornerClick.
Click “Settings” to find “two-factor authentication”, check to enable or disable this feature.
Note: After this feature is enabled by team admin, all members of the team need to conduct two-factor authentication” by mobile phone when logging into Nutstore account, otherwise they cannot log into their Nutstore account (as shown in the figure below).After verification, team members can log into their Nutstore account.
b) If you are team membersFirst, log in Nutstore webpage.Then click “Settings” on the upper right corner.
Click “Security” to find “two-factor authentication”, check to enable or disable this feature.
Note: If you are a team member, enabling this feature will not affect others.
2019年12月17日更新2.0
2019年11月8日发布1.0
您可以点此下载使用微软官方提供的Microsoft.NET Framework 修复工具。
如果还是无法正常工作，麻烦您邮件至 helpdesk@cn.nutstore.net, 以便我们为您进一步的服务。