The 'squid' package can be removed with the following command:
'$ sudo yum erase squid'
[no/yes]
If there is no need to make the proxy server software available,
removing it provides a safeguard against its activation.
oval:org.secpod.oval:def:48424
oval:org.secpod.oval:def:48747
SCAP Repo OVAL Definition
2018-11-08