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internet security
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avextraxjp



Joined: 22 Jun 2006
Posts: 331

PostPosted: Wed Sep 24, 2008 4:02 am    Post subject: internet security Reply with quote

I've noticed that when logging onto a web email account, only the log on page has the padlock sign at the right hand corner of the browser, does that mean other pages that are displayed after logging on are not encrypted?
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SoftStag



Joined: 05 Feb 2006
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PostPosted: Wed Sep 24, 2008 5:12 am    Post subject: Reply with quote

Yes, only pages where the padlock sign are shown are encrypted. In most cases this shouldn't really be an issue, unless you sign in using a non-secure internet connection. I don't know what webmail you use, but there should be an option to use HTTPS, thereby making all pages secure. This will have a consequence of slowing down the page loads as HTTPS is slower to load that HTTP due to the encryption/decryption that is taking place. In Gmail you can do this by going to Settings then setting Browser Connections to Always use https then saving your changes.
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avextraxjp



Joined: 22 Jun 2006
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PostPosted: Wed Sep 24, 2008 9:36 pm    Post subject: Reply with quote

how about Yahoo mail?
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SoftStag



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PostPosted: Thu Sep 25, 2008 5:10 am    Post subject: Reply with quote

Yahoo mail doesn't appear to support this feature. The login is secure, but once logged in the pages are not encrypted.
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avextraxjp



Joined: 22 Jun 2006
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PostPosted: Thu Sep 25, 2008 10:29 am    Post subject: Reply with quote

I'm using an open wireless internet connection most of the time, is webmail as vulnerable as POP3 email to being sniffed by programs such as Wireshark?
Thanks.
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SoftStag



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PostPosted: Thu Sep 25, 2008 3:12 pm    Post subject: Reply with quote

I don't think it makes much difference really. Either way this is not likely to be a big risk. If it does concern you, then I suppose you could set up a Gmail account, which you can configure to download your Yahoo mail from via POP3 to it, and access the mail via Gmail using https. Gmail also has the facility to send mails as though they are from another account, so you could still effectively send and send and receive emails using Yahoo through Gmail securely.
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avextraxjp



Joined: 22 Jun 2006
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PostPosted: Thu Sep 25, 2008 9:38 pm    Post subject: Reply with quote

That seems like a solution. Thanks.
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avextraxjp



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PostPosted: Sat Sep 27, 2008 11:19 am    Post subject: Reply with quote

By the way, can the program wireshark be used to obtain my username/passwords and other unencrypted data sent through an open wireless internet connection?
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SoftStag



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PostPosted: Sat Sep 27, 2008 1:39 pm    Post subject: Reply with quote

avextraxjp wrote:
By the way, can the program wireshark be used to obtain my username/passwords and other unencrypted data sent through an open wireless internet connection?

In theory, yes. In practice, this is quite difficult as they would need to find the packet of information where you send the username/password, out of all the packets of information you send as you browse the web or use the network.
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avextraxjp



Joined: 22 Jun 2006
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PostPosted: Sat Sep 27, 2008 11:46 pm    Post subject: Reply with quote

doesn't WireShark sort of display the packet of information, and specific information can be identified with just a search?
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SoftStag



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PostPosted: Sun Sep 28, 2008 7:47 am    Post subject: Reply with quote

I don't use Wireshark, but I understand you can search captured information. Even so, if there are many people using a network, they would need to know your IP address and the format in which the particular website you are using accepts passwords. It's not easy, someone would need to be skilled and determined.
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-- Bill Gates, on code stability, from Focus Magazine
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avextraxjp



Joined: 22 Jun 2006
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PostPosted: Mon Sep 29, 2008 11:20 am    Post subject: Reply with quote

I've just installed openVPn. the icon sits at the taskbar and I've configured nothing, how can I tell it it's working ?
Thanks.
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