Just speculating, but could it be that your ISP uses a caching transparent proxy (which would explain why it doesn't happen on SSL) and its cache got corrupted? The "other ISP" case could be explained if it's actually upstream/downstream from your ISP, or they share a proxy cache for other reasons.
On 21 March 2015 at 04:07, Roman Ovseitsev <rom...@gmail.com> wrote: > Please forgive the slight off-topic, but I am experiencing a rather > strange issue while downloading a certain file over HTTP. > > Instead of getting node.js installer as expected from here > http://nodejs.org/dist/v0.12.0/node-v0.12.0-x86.msi I am receiving a > completely different executable - an installer for Elcomsoft's Advanced EFS > Password Recovery whatever that is. > > Both files are exactly the same size but SHA sums obviously don't match. > > SSL version of the link - > https://nodejs.org/dist/v0.12.0/node-v0.12.0-x86.msi works as expected. > i.e. downloads the correct node.js installer. > > > I have verified this on three different machines running Fedora, CentOS, > and Windows. None of these machines ever exchanged any files or used > anything else but the default repos. In fact the windows machine is a 13 > years old pc with a freshly installed OS. So presumably that dismisses any > possibility of rootkits. > > It doesn't seems to be due to my router or ISP either. I am getting the > wrong executable on two of my neighbours' Wi-Fi networks and at least one > of them seems to be using a different ISP. > However it doesn't happen on another Israeli nor a couple of US and UK > servers I've tried so far. > I am not using any proxies either. > > nodejs.org domain on all of the above resolves to the same IP. > > > What's going on? > Could be that the ISPs are the culprit? > > Considering that the application is relatively popular and I am the only > one experiencing this issue it doesn't seem to be the case of nodejs.org > server doing this on purpose (knowingly or not). > > _______________________________________________ > Linux-il mailing list > Linux-il@cs.huji.ac.il > http://mailman.cs.huji.ac.il/mailman/listinfo/linux-il > > -- <http://au.linkedin.com/in/gliderflyer>
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