https websites

some site e.g http://www.abc.com able to access, but not the https://www.abc.com
Some sites both with http or https also able to access
what does this indicate? Is this some settings we need to set or check on our browser?
grnowAsked:
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becraigConnect With a Mentor Commented:
To reinforce what the other experts have said here:

some site e.g http://www.abc.com able to access, but not the https://www.abc.com
Some sites both with http or https also able to access
what does this indicate? Is this some settings we need to set or check on our browser?

You are able to access ALL sites via http (unless they specifically restrict traffic to ONLY secure traffic [https])

The only sites you will be able to visit with https are the ones that have SSL enabled (not every site has SSL enabled - so you might be able to get to a site via http but not https and vice versa [it is all based on the configuration set by the site admin)


Here is some info on how it works:
http://computer.howstuffworks.com/encryption4.htm
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tailoreddigitalConnect With a Mentor Commented:
Have a look here,   these are the basic reasons why this happens,
http://www.bleepingcomputer.com/forums/t/41067/cant-access-secure-sites/
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KimputerCommented:
It seems you assume ALL websites have both http and https access. But this depends on the server (and the website). Because it requires extra costs (installation, maintenance, official certificate), simple websites might just not even consider installing it. Even if it's not cost related, some websites just really have no need for it (think simple entertainment news website).
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Scott Fell, EE MVEConnect With a Mentor Developer & EE ModeratorCommented:
Not all sites have HTTPS turned on. And if they do, not all have a certificate.  If HTTPS is on, but they don't have a certificate, you are still connected via https but there could be a potential trust issue and that is what the certificate does.

If you are asking to fill out a form with what you fee is personal information and the data is not being transferred via https, then I would stay away.

It is possible however, that you can be on a site using HTTP and they are sending the data via https.   If you view the source and look for the code <form action="https://somesite.com... you can tell if they are using  https or http.  They could also be sending via ajax and in that case you want to look through the js or jquery code.  

I do think if you have to do that much work, it is not worth the trouble though.  Notify the site you are not going to fill out the form over an unencrypted connection.
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nader alkahtaniConnect With a Mentor Network EngineerCommented:
What is the message that appears if you try to browse the site ?
http by default uses port 80 , 8080  
 wherease https uses 443
if the  administrator -from firewall or web site- block any port from that above , you cann't use the srevice that related to that port , or if he disable the service .
that from remote issue .
you should reset internet explorer to default settings then try .

thanks , regards
Nader alkahtani
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rbudjCommented:
You should consult with whoever hosts your website. They are the ones in control over whether or not you have a certificate to be able to use https.
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