Os dejo con un interesante video de "Security by default" de como securizar una instalación de SO CentOS, totalmente válido para Red Hat.
Saludos,
#proxy.sh
export http_proxy=http://host.com:port/
export ftp_proxy=http://host.com:port/
export no_proxy=.domain.com
proxy
|
URL of a proxy server including the port number. |
proxy_password
|
Password for authentication with a proxy server. |
proxy_username
| User name for authentication with a proxy server. |