Configure CNTLM Proxy on Centos/Ubuntu

CNTLM Proxy - Centos

1) Download cntlm rpm package from http://sourceforge.net/projects/cntlm/files/cntlm/

2) Login as root

3) Run command:
    $ rpm -ivh cntlm-*.rpm

4a) Obtain password hash for the configuration file in step 4b (do not put plaintext password in configuration)
    $ cntlm -H -d <domain> -u <username>

4b) Configure CNTLM:
    $ vi /etc/cntlm.conf
    
5) Export proxy settings:
    $ vi ~/.bashrc
    
    export http_proxy=http://localhost:3128
    export https_proxy=${http_proxy}
    export ftp_proxy=${http_proxy}
    
6) Run command:
    $ . ~/.bashrc
    
7) Enable CNTLM to start automatically:
    $ chkconfig cntlmd on
    $ service cntlmd start

CNTLM Proxy - Ubuntu

1) Download cntlm deb package from http://sourceforge.net/projects/cntlm/files/cntlm/

2) Login as root

3) Run command:
    $ dpkg -i cntlm*.deb
    
4a) Obtain password hash for the configuration file in step 4b (do not put plaintext password in configuration)
    $ cntlm -H -d <domain> -u <username>
    
4b) Configure CNTLM:
    $ gksudo gedit /etc/cntlm.conf
    
5) Restart cntlm:
    $ sudo service cntlm restart
    
6) Export proxy settings:
    $ gksudo gedit ~/.bashrc
    
    export http_proxy=http://127.0.0.1:3128
    export https_proxy=http://127.0.0.1:3128
    export ftp_proxy=http://127.0.0.1:3128
    
7) Run command:
    $ . ~/.bashrc
    
8) If it's not setup to start automatically (will say it exists if already there):
    $ sudo update-rc.d cntlm defaults

CNTLM Proxy - Centos

...

8) Fix Failed connect to localhost:3128; Connection refused

mkdir /var/run/cntlm
chgrp cntlm /var/run/cntlm/
chmod g+w /var/run/cntlm/
systemctl restart cntlm.service
systemctl status cntlm.service   

Test : curl https://www.google.fr