这些协议都不支持国际化，都使用明文传递口令，都不容易扩展。
None of these protocols allowed for internationalization, all sent passwords in plain text, and none of them were easily extensible.
在使用telnet这样的不安全“明文”协议时，网络上的任何人都可以窃取您的密码和其他敏感信息。
When using an unsecured, "clear text" protocol such as Telnet, anyone on the network can pilfer your passwords and other sensitive information.
PAP（PasswordAuthenticationProtocol，密码验证协议，与PPP 一起使用，在此机制下，密码以明文形式被发送到客户机进行比较）；
PAP (Password Authentication Protocol, used with PPP in which the password is sent to the client as clear text for comparison);
远程主机shell访问(取代telnet和rlogin明文，不安全协议)。
Remote host shell access (supersedes Telnet and rlogin clear text, insecure protocols).
其他产品可能包括经营结构，培训协议和证明文件。
Other products might be operating architectures, training protocols and supporting documentation.
具体地说，Netbeans只在内部支持pserver协议，因为使用明文传输口令，所以该协议实质上是不安全的。
In particular, Netbeans only has built-in support for the pserver protocol, which is inherently insecure because is transmits passwords in the clear.
当然，ssh是推荐的协议，因为它比pserver更加安全，而后者是用明文传输口令的。
Of these, SSH is recommended because it is more secure than pserver because the latter transmits the password as clear text.
这是因为传统的电子邮件都是基于MIME协议通过明文传送的，并且发送方可轻松地伪造自己的身份。
Traditionally, based MIME, email is transmitted in form of original text. The sender can easily forge his name.
这是因为传统的电子邮件都是基于MIME协议通过明文传送的，并且发送方可轻松地伪造自己的身份。
Traditionally, based MIME, email is transmitted in form of original text. The sender can easily forge his name.
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