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How secure is apt-get update/upgrade?

 
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daudi



Joined: Sat Dec 16, 2006 11:00 pm
Posts: 59
Location: Maidstone, Kent, UK

PostPosted: Mon Aug 22, 2011 7:13 am    Post subject: How secure is apt-get update/upgrade? Reply with quote

I was travelling recently in a country that has strong government control over the internet. While there I got nervous about doing a routine upgrade of my ubuntu system. It got me wondering if it would it be possible to intercept/poison my upgrades and install malicious software, e.g. some form of spyware. In the end I decided not to do the upgrade (possibly leaving my machine at higher risk).

Any opinions on how secure apt-get update/upgrade is?
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roseway
LXF regular


Joined: Thu Jan 18, 2007 2:27 pm
Posts: 446

PostPosted: Mon Aug 22, 2011 7:42 am    Post subject: Reply with quote

In Debian (and presumably Ubuntu and its derivatives) packages are signed and you have to install a keyring package, otherwise you will get warning messages when installing packages. So I would say that it's pretty secure.
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daudi



Joined: Sat Dec 16, 2006 11:00 pm
Posts: 59
Location: Maidstone, Kent, UK

PostPosted: Mon Aug 22, 2011 1:34 pm    Post subject: Reply with quote

Ah yes, that makes sense. Thank you!
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