# Re: Denial of Service Attack?

Marianne Mueller (Marianne.Mueller@Eng)
Tue, 10 Mar 1998 12:05:47 -0800 (PST)

- Messages sorted by: [ date ][ thread ][ subject ][ author ]
- Next message: Jan Luehe: "Re: Fw: My opinions on Key, KeySpec, KeyFactory, KeyGenerator, et. al."
- Previous message: Roland Schemers: "Re: Problem with ClassLoader"
- Maybe in reply to: Sunil Khiani: "Denial of Service Attack?"

    Date: Tue, 10 Mar 1998 12:05:47 -0800 (PST)

    From: Marianne Mueller <Marianne.Mueller@Eng>

    Subject: Re: Denial of Service Attack?

    To: java-security@web1.javasoft.com, Sunil.Khiani@tek.com

Hi,

I don't think this is a denial of service attack so much as
a performance/tuning problem. Have you experienced the same
behavior with the appletviewer? That would at least let you
know if the problem is related to the JDK classes or if it's related
to the JVMs embedded in the browsers.

Marianne

> Date: Tue, 10 Mar 1998 09:14:11 -0800
> From: Sunil Khiani <Sunil.Khiani@tek.com>
> Mime-Version: 1.0
> To: java-security@web1.javasoft.com
> Subject: Denial of Service Attack?
> Content-Transfer-Encoding: 7bit
>
> Hi,
>
> We are developing applets using Symantec Cafe2.0. Each Applet has lot
> of widgets i.e. GUI components. Individually the applets work fine. But
>
> when a user navigates among the applets, the Window 95 Resources(system,
>
> user, gdi) go down slowly but surely; The Netscape communicator (version
>
> 4.4 with JDK1.1 patch) becomes very slow to the point of being
> unusable.
>
> I have tried putting
> (1) System.gc() calls, System.finalization() calls in destroy method of
> the applets
> (2)I also have put the call
> "netscape.applet.Control.setAppletPruningThreshold(0)" so every loaded
> applet, destroys up the previous applet.
> But the resource leaks do not get plugged.
>
> If anyone knows a way to avoid this denial of service attack, please
> let me know.
>
> Thanks,
> -Sunil.
> Sunil.Khiani@tek.com
> /*************************************/
> /* Sunil K. Khiani */
> /* Tektronix,Inc */
> /* P.Box - 1114 */
> /* Grass Valley, CA 95945 */
> /* Tel. No.# 530-478-4098 (O) */
> /* Fax. No.# 530-478-3820 */
> /* Email:Sunil.Khiani@tek.com */
> /* There is more than one way to do it */
> /* -Larry Wall */
> /**************************************/
>

- Next message: Jan Luehe: "Re: Fw: My opinions on Key, KeySpec, KeyFactory, KeyGenerator, et. al."
- Previous message: Roland Schemers: "Re: Problem with ClassLoader"
- Maybe in reply to: Sunil Khiani: "Denial of Service Attack?"