I would sugesst that you use cntlm http://cntlm.sourceforge.net/ to solve your proxy issues.
CNTLM is an open-source multi-platform application that handles all NTLM proxy-authentication and presents you a small HTTP based local proxy. We can tell our applications to use this local HTTP-proxy to tunnel their traffic through and avoid having trouble with NTLM again.
Install the cntlm package via your favorite package installer, e.g. " apt-get install cntlm "
Insert the command " cntlm -M http://google.com/ "
Copy the password-hash that was generated for you (we need the NTLMv2 one only)
Insert the password-hash into the "/etc/cntlm.conf" (at "PassNTLMv2") and save the file.
Keep in mind:
Whenever you change your NT-Password (i.e. Bosch Windows-Log-In-Password) you have to re-hash your password and insert the new hash into the CNTLM config. Otherwise CNTLM won't be able to authenticate with the Bosch proxy anymore.
Go to Window > Preferences
Search for "Network Connections"
Select "Manual" in the "Active Provider" drop-down
Edit the proxy entries for HTTP, HTTPS (we don't need SOCKS)
No authentication (that's done by CNTLM for us)
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