Date: Fri, 07 Sep 2001 01:21:48 -0400 From: "Matthew K. Cowger" <mcowger@bowdoin.edu> To: ann kok <annkok2001@yahoo.com> Cc: freebsd-questions@FreeBSD.ORG Subject: Re: http and https Message-ID: <3B98596C.2080601@bowdoin.edu> References: <20010907035623.13927.qmail@web20105.mail.yahoo.com>
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ann kok wrote: > Dear Matthew > > Some websites have both http and https. > If I request http, is it automatically to transfer to > https in secure? > or > they are independently. Don't know each other? If the URL specified begins with https://, the browser will use the SSL transport layer to encrpyt, other wise, it will use the standard unencrypted HTTP. It wont automatically choose. The web designer needs to specify. > Does https slowly transfer than http because of its > encryption? How do I know the speed different? Yes, but I have only seen any measurable difference when transferrin over a LAN. I get abotu 1MB/sec unencrypted and about 650K/sec encrypted from th same server on my network. This server, however, is pretty slow... > Thank you > > > --- "Matthew K. Cowger" <mcowger@bowdoin.edu> wrote: > >>HTTP is the Hypertext Transfer Protocol. HTTPS is >>the HTTP over SSL >>(Secure Sockets Layer). Basically, SSL encrpyts any >>traffic going >>through it, using a variety of algorithms and/or key >>lengths. The >>certificate is an artifact(feature?) (I believe) of >>the public key >>encryption process. >> >>Many SSL websites will encrypt with RSA 128 bit, >>which is really all you >>would ever need. >> >>ann kok wrote: >> >> >>>Dear all >>> >>>What is the different between http and https? >>> >>>I only know https is secuirty than http >>>but what is this level of the secuity >>> >>>In addition, https provides the certification >>>but what is the function of this certification >>> >>>Thank you very much >>> >>> >>>__________________________________________________ >>>Do You Yahoo!? >>>Get email alerts & NEW webcam video instant >>> >>messaging with Yahoo! Messenger >> >>>http://im.yahoo.com >>> >>>To Unsubscribe: send mail to majordomo@FreeBSD.org >>>with "unsubscribe freebsd-questions" in the body >>> >>of the message >> >> >>-- >>Matt Cowger '03 mcowger@bowdoin.edu >>Systems Administrator Phone : 207.721.5461 >>Bowdoin College Networks & Operations Mobile: >>207.522.1246 >> >> > > > __________________________________________________ > Do You Yahoo!? > Get email alerts & NEW webcam video instant messaging with Yahoo! Messenger > http://im.yahoo.com > -- Matt Cowger '03 mcowger@bowdoin.edu Systems Administrator Phone : 207.721.5461 Bowdoin College Networks & Operations Mobile: 207.522.1246 To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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