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Mirage
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| Joined: | Sun Feb 9th, 2003 |
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Posted: Tue Feb 18th, 2003 12:53 am |
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| I was wondering if it's possible to disable html/htm/shtml..etc pages from being cached by a users browser ? I'm trying to secure my site from users looking at any code, I've managed to make it slightly hard for regular users (have encrypted my index page in a framed site, disabled right click). That works fine for regular users, but, I'm worried about the users who will look into their browser cache and find my any and all other pages. Short of encrypting every page that I have, do you know of another method ?
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Aycan
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| Joined: | Wed Nov 29th, 2000 |
| Location: | Columbus, Ohio USA |
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Posted: Tue Feb 18th, 2003 02:36 am |
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| Unfortunately, anyone can look at your code by using his/her browser's cache. There is no way to prevent that. The best you can do is to encrypt your code, so it becomes hard to read. BTW, why is it so important to protect your pages?
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Mirage
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Posted: Wed Feb 19th, 2003 04:48 am |
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Thanks for the reply Aycan . I'm trying to protect the pages from prying eyes - I've run into alot of people to enjoy pulling content and labeling it as their own - two users have already done it with my stuff. I'm in the process of upgrading one particular site and am trying to make it as hard as possible to pull this new content.
I guess I'm just being paranoid.
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Aycan
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Posted: Wed Feb 19th, 2003 05:41 am |
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Since copying digital content is so easy, it is normal to see unauthorized duplication of original content on the web. Some of the copying is casual, and an e-mail kindly asking removal of the copied content should do the job most of the time. Besides, if you use Google's toolbar or Alexa's traffic rankings, you will notice that people who copy others' works usually have very low ranked or low-traffic sites that also tend to disappear without notice. So, it is often not worth the effort to hunt them down.
In the meantime, I personally dislike sites that disable right-clicking because it is very annoying to get a "you can't do this" prompt when all I want is to save a picture to my hard disk for later viewing. Besides, nobody can really stop someone to fetch an entire web site by using one of those "offline reader" programs since many support fake user agent strings. The entire Wow Web Designs site is fetched many times every month by people who are using those programs. But so far, I haven't seen any partial or full copies of this site on the web. I can block some of those programs, but why bother? I would rather be happy that people like my site so much that they fetch it all overnight to comfortably browse the site offline. Some people can also avoid hefty phone bills this way.
Last edited on Wed Feb 19th, 2003 08:06 pm by Aycan
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Mirage
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Posted: Wed Feb 19th, 2003 06:28 pm |
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I'm not too bothered about people being annoyed about not being able to right click, I'm offering a free local service, if they don't like it - they don't have to return. I know, this is a bad attitude to have when running a website - but, there are alot of bad apples, if I can weed out the good ones and make a decent site with decent visitors - then my site will hold its own. Right now, there are alot of people who choose to cause sh#$, they're the ones who will take offence to the way I choose to run the site.
Most content is put onto a site to encourage return visitors. If that content is pirated and put onto another site - the original one will loose potential visitors. Ideas that make a website popular are always ripped from a site to make another one popular while claiming to be original - that really burns my arse ! It's too easy, I don't think I'm in the wrong to try and protect myself ? I think others should make more of an effort to protect their material aswell.
You spent alot of time making the message board while making sure your credits are shown - you did that for a reason right ? What if I downloaded this message board that you're offering, then hosted it on my server, changing copyright info & claiming it to be my own ? Right now, you're offering the board for free....don't worry, I'd do the same. I think it's safe to say that you'd be a little upset ? I'm just trying to avoid this. (don't worry at all, this is just an analogy, I won't do like my example!!)
Don't mind me, my decisions are based on some bad experiences. Things might change as time goes by though. No offence was intended with these comments 
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Aycan
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Posted: Tue Feb 25th, 2003 03:08 pm |
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First of all, sorry for the late reply Myzer . I was out of town for the last few days.
I'm not too bothered about people being annoyed about not being able to right click, I'm offering a free local service, if they don't like it - they don't have to return. I know, this is a bad attitude to have when running a website - but, there are alot of bad apples, if I can weed out the good ones and make a decent site with decent visitors - then my site will hold its own. Right now, there are alot of people who choose to cause sh#$, they're the ones who will take offence to the way I choose to run the site.
I disagree. There are a few bad apples in many cases. From experience, I'd say people who have bad intentions are generally less than one percent of a site's visitor base. I don't have any hard facts about how many people are annoyed because they can't right click, or bookmark a specific page, but it seems to me that their ratio is much larger than 1 percent.
Most content is put onto a site to encourage return visitors. If that content is pirated and put onto another site - the original one will loose potential visitors. Ideas that make a website popular are always ripped from a site to make another one popular while claiming to be original - that really burns my arse ! It's too easy, I don't think I'm in the wrong to try and protect myself ? I think others should make more of an effort to protect their material aswell.
As I said in my previous post, it is often not worth hunting someone down who gets only five visitors a day.
You spent alot of time making the message board while making sure your credits are shown - you did that for a reason right ? What if I downloaded this message board that you're offering, then hosted it on my server, changing copyright info & claiming it to be my own ? Right now, you're offering the board for free....don't worry, I'd do the same. I think it's safe to say that you'd be a little upset ? I'm just trying to avoid this. (don't worry at all, this is just an analogy, I won't do like my example!!) First of all, the software that powers this board will not be free. As a matter of fact, it will be released as a commercial product shortly, and I am well aware of the fact that it will most likely be pirated just like all other software. There is little I can do to prevent that. I believe that most people who use pirated software wouldn't buy a legitimite copy anyway. In addition, although it might sound counter-intuitive, piracy actually helps sales because people who otherwise will not have a chance to see a software product can decide buying the original after seeing a pirated copy. Or, a broke high-school kid who just plays around with a pirated copy may decide to buy the original for its employer when he/she gets a job. I don't endorse piracy, all I'd say is it is very hard to prevent piracy, and I don't want to punish paying customers by implementing annoying and (easily crackable) copy-protection schemes just because some bored high school kids pirate my board.
Don't mind me, my decisions are based on some bad experiences. Things might change as time goes by though. No offence was intended with these comments None taken.
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mattr555
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| Joined: | Mon Mar 8th, 2004 |
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Posted: Mon Mar 8th, 2004 09:43 am |
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IF you are hosting on ISS you can set a custom page header.
open site properties and click the HTTP Headers tab. Add a custom header and call it "cache-control" and set it's value to "private". This will affect all page in the site.
It is also impossible to stop the final html code from being seen by users. turning off rightclick can be overcome by turning off javascript. Mozilla based browsers have a DOM inspector which can examine each block of code and anyone can just save the page from the browsers file menu. More trouble than its worth.
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