Squid : Set Basic Authentication2021/03/17

	Set Basic Authentication and limit to use Squid for users to require authentication.
[1]	Install a package which includes htpasswd.

[root@prox ~]#

dnf -y install httpd-tools

[2]	Configure Squid to set Basic Authentication.

[root@prox ~]#

vi /etc/squid/squid.conf

acl CONNECT method CONNECT

# line 29 : add follows for Basic Authentication

auth_param basic program /usr/lib64/squid/basic_ncsa_auth /etc/squid/.htpasswd
auth_param basic children 5
auth_param basic realm Squid Basic Authentication
auth_param basic credentialsttl 5 hours
acl password proxy_auth REQUIRED
http_access allow password

[root@prox ~]#

systemctl restart squid

# add a user : create new file with [-c] option

[root@prox ~]#

htpasswd -c /etc/squid/.htpasswd cent

New password:

# set password

Re-type new password:
Adding password for user cent

Proxy Client : CentOS

[3]	Configure CentOS Stream Proxy Client for Basic Authentication.

[root@client ~]#

vi /etc/profile.d/proxy.sh

# create new

# username:password@proxyserver:port

MY_PROXY_URL="cent:password@prox.srv.world:3128"

HTTP_PROXY=$MY_PROXY_URL
HTTPS_PROXY=$MY_PROXY_URL
FTP_PROXY=$MY_PROXY_URL
http_proxy=$MY_PROXY_URL
https_proxy=$MY_PROXY_URL
ftp_proxy=$MY_PROXY_URL

export HTTP_PROXY HTTPS_PROXY FTP_PROXY http_proxy https_proxy ftp_proxy

[root@client ~]#

source /etc/profile.d/proxy.sh

# or it's possible to set proxy settings for each application, not System wide

# for dnf

[root@client ~]#

vi /etc/dnf/dnf.conf

# add to the end

proxy=prox.srv.world:3128
proxy_username=cent
proxy_password=password

# for curl

[root@client ~]#

vi ~/.curlrc

# create new

proxy=prox.srv.world:3128
proxy-user=cent:password

# for wget

[root@client ~]#

vi /etc/wgetrc

# add to the end

http_proxy = prox.srv.world:3128
https_proxy = prox.srv.world:3128
ftp_proxy = prox.srv.world:3128
proxy_user = cent
proxy_passwd = password

Proxy Client : Windows

[4]	For Windows Clients, none of specific settings, but when access to a web, proxy server requires authentication like follows, then input username and password.

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