Thanks. I am currently looking at SSL things. To tell you the truth, I have
no knowledge
about SSL. Any good tutorials or articles for it to recommend? thanks
liwen
----- Original Message -----
From: "Henning Brune" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Wednesday, May 17, 2000 6:58 PM
Subject: Re: is out.flush() or out.close() necessary ?
> Hello Liwen,
>
> it is in no way more secure to use a socket connection
> for your transmissions. Anyone with a little skill can monitor
> this as easily as http connections.
>
> Your only chance to lower the risk is to encrypt your data. If you use
> sockets then you will use something selfmade e. g. some crpyto api.
>
> But the alternative I would prefer is the use of an SSL connection.
>
> -Henning
>
> Liwen Chen wrote:
> >
> > Hi, Nic, thanks a lot for your clear explanation. What I did is using
> > URLConnection to talk to
> > the other servlet. But my friend (who is partly my boss and will use the
> > programs:-)) said it's
> > not reliable nor safe to use http connection because the information
> > transferred is some secure
> > message. Any way to make sure it is secure?
> >
> > Thanks...
> >
> > Liwen
> >
> > ----- Original Message -----
> > From: "Nic Ferrier" <[EMAIL PROTECTED]>
> > To: <[EMAIL PROTECTED]>
> > Sent: Tuesday, May 16, 2000 7:22 PM
> > Subject: Re: is out.flush() or out.close() necessary ?
> >
> > > >>> Liwen Chen <[EMAIL PROTECTED]> 16-May-00 7:32:18 AM >>>
> > >
> > > >I got a problem. It's some sense off-topic,
> > > >but the problem comes out from a servlet problem.
> > >
> > > This is on-topic. It's about servlets - that's the subject of
> > > discussion here /8->
> > >
> > >
> > > >Below is the problem:
> > > >In servlet A, I open a socket connection to host H, where
> > > >there is a servlet running as a server program. And I send
> > > >something to that servlet. In host H, the servlet receive
> > > >the information sent by A and process it. After that, write
> > > >something back to A. Then A read the information from it and
> > > >close the connection.
> > >
> > > Ok... seems reasonable... you could probably do it easier with a
> > > URLConnection though (since servlets can only be talked to over
> > > HTTP).
> > >
> > > >I implemented it and sometime encountered some io problem.
> > > >Someone told me, I should open two socket connections,
> > > >one for writing to host H, the other one for reading
> > > >from H. Is it right? Do I need to do that? Is my way of
> > > >communication correct?
> > >
> > > No you don't need to do that.
> > >
> > > Basically a servlet is just an object that recieves HTTP requests and
> > > sends HTTP responses.
> > >
> > > If you've got a problem it most likely will be the way that you send
> > > the request. You must follow the HTTP spec and if you don't then the
> > > communication won't work.
> > >
> > > Check the HTTP spec for details, or alternately use URLConnection and
> > > HttpURLConnection.
> > >
> > >
> > > Nic Ferrier
> > >
> > >
> >
___________________________________________________________________________
> > > To unsubscribe, send email to [EMAIL PROTECTED] and include in the
> > body
> > > of the message "signoff SERVLET-INTEREST".
> > >
> > > Archives: http://archives.java.sun.com/archives/servlet-interest.html
> > > Resources:
http://java.sun.com/products/servlet/external-resources.html
> > > LISTSERV Help: http://www.lsoft.com/manuals/user/user.html
> > >
> >
> >
___________________________________________________________________________
> > To unsubscribe, send email to [EMAIL PROTECTED] and include in the
body
> > of the message "signoff SERVLET-INTEREST".
> >
> > Archives: http://archives.java.sun.com/archives/servlet-interest.html
> > Resources: http://java.sun.com/products/servlet/external-resources.html
> > LISTSERV Help: http://www.lsoft.com/manuals/user/user.html
___________________________________________________________________________
To unsubscribe, send email to [EMAIL PROTECTED] and include in the body
of the message "signoff SERVLET-INTEREST".
Archives: http://archives.java.sun.com/archives/servlet-interest.html
Resources: http://java.sun.com/products/servlet/external-resources.html
LISTSERV Help: http://www.lsoft.com/manuals/user/user.html
