Message-Id: <199903082313.PAA25709@shorter.eng.sun.com>
Date: Mon, 8 Mar 1999 15:12:58 -0800 (PST)
From: Sharon Liu <Sharon.Liu@Eng>
Subject: Re: Some Questioins
To: java-security@java.sun.com, jhlee@kisa.or.kr
Jung-Hyo,
Please read the "Java Security Architecture" at
http://java.sun.com/products/jdk/1.2/docs/guide/security/spec/security-spec.doc.
html.
It answers your questions.
Sharon
> MIME-Version: 1.0
> To: java-security@java.sun.com
> Subject: Some Questioins
> Content-Transfer-Encoding: 7bit
>
> Dear gent
>
> This is Jackie working for Korea Information Security Agency. I don't
> know about Java very well. I'm very glad to get answer on the following
> question.
>
> I've known that it is not possible to read(write) local files, open
> socket and so forth using remote java applets. I know that SUN corp. has
> the principle of the limitation in remote Java applet, so Java applet
> has restricted functions on the local computer resources.
>
> In JDK 1.2, however, Java applet has so many functions on the local
> system. I saw that it is possible to read(or write, delete) local files
> and open socket and so forth in the document(Java Security Architecture,
> JDK 1.2).
>
> Is it right ?
> I would like to know why did you change the principle if it is right
> what I said.
>
> Please let me know which cases are needed for java applet to access
> local resource(reading file, open socket and so on).
>
> Please let me know the reason though my misunderstanding about Java may
> cause these doubts.
>
> Thank you for your kindness.
>
>
> Regard.
>
> --
> ===========================================
> Jung-Hyo, Lee
> (jhlee@kisa.or.kr)
> -------------------------------------------
> Member of Technical Staff
> Computer & Network Security Team
> Information Security Technology Division
> Korea Information Security Agency
> -------------------------------------------
> Voice : +82-2-3488-4188
> Fax : +82-2-3488-4159
> ===========================================
>
>