You can run this check along with a check for maximum size (to avoid buffer overload attacks) on the client side, but because anyone can thwart these measures, you also check on the server side.
可以将此检查与客户端的最大大小检查(以防止缓冲区过载攻击)一起运行，但由于有人能够使这些措施失效，因此还要在服务器端进行检查。
The goal is that the field will be validated on the server side to check that it is not empty and that the value is numeric.
目的是将字段在服务器端验证，检查其是否为空，其值是否是整数。
To provide a complete and secure check, plan for all validation to take place on the server side.
如果要提供完整、安全的验证，最好将所有验证都规划为在服务器端进行。
This way you add server-side code to all client-side validation functions in order to check conditions and to show messages.
在这种方法中，您将把服务器端代码添加到所有客户端验证函数中，以检查条件并显示消息。
On the server side, you will check the value of the field: If it contains any text, it must be a bot.
在服务端，你可以检测这个域的值：如果它包含任意文本，它肯定是个机器人。
You simply need to double-check any input values by revalidating them on the server side.
只需要双击任何输入值，就可以在服务器上重新验证它们。
On the client side, before sending an HTTP request, first send an HTTP OPTIONS request to check if the operation you want to perform is supported by the server.
在客户端，在发送HTTP请求之前，先发送一个HTTPOPTION请求检查服务器端是否支持你要执行的操作。
Case II: Only the server-side call stack ProtectionDomains that have been associated with the user identity should be used for the permission check.
第i i种情况：应当只用与用户身份相关联的服务器端调用堆栈protectiondomain进行权限检查。
Case II: Only the server-side call stack ProtectionDomains that have been associated with the user identity should be used for the permission check.
第i i种情况：应当只用与用户身份相关联的服务器端调用堆栈protectiondomain进行权限检查。
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