These are out of scope for this article, but you can find more information about them in the WS-RM specification.
这些协议消息超出了本文的讨论范围，您可以在 WS-RM 规范 中了解关于它们的更多信息。
A particular message will be available for sending as long as it is not acknowledged or its inactivity time out, as per the RM Policy Assertions, has not been reached.
只要消息没有得到确认，或者，根据RM策略断言，没有达到其不活动超时时间，特定的消息都可以用于发送。
Strip out any commands that you think might be harmful and disallow things, such as sudo (running with superuser privileges) or rm (delete).
删除您认为有害的命令和不允许的内容，比如sudo(作为超级用户运行)或rm(删除)。
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