GitHub Windows client behind proxy

Tried everything of above - and didn't succeed, only thing that helped me is CNTLM - http://cntlm.sourceforge.net/.

Install it and run cntlm -H, than authenticate to corp proxy, edit cntlm.ini file with the output of cntlm, restart the windows service. Update .gitconfig with:

[https] proxy = localhost:3128
[http] proxy = localhost:3128

Now cntlm will do all the authentication, and you'll be able to use GitHub(and Dropbox, btw) behind the corp proxy. At least until next password change :) (than do cntlm -H stuff again)

Add these entries to your '.gitconfig' file in your user directory (go to %USERPROFILE%):

[http]
    proxy = http://<proxy address>:<proxy port>

[https]
    proxy = https://<proxy address>:<proxy port>

And if you don't want to store your password in plaintext, I would use a local proxy forwarder like CNTLM which allows you to direct all traffic through it and can store the passwords hashed.

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Unlike the original question, if you don't care if your password is in plain text add these:

[http]
    proxy = http://<username>:<password>@<proxy address>:<proxy port>

[https]
    proxy = https://<username>:<password>@<proxy address>:<proxy port>