SymptomsUnable to use standard Kali Linux provided repository for updating the Kali Linux system as well for new software installations.
The following error message appears when attempting to run the
Err:1 http://http.kali.org/kali kali-rolling InRelease 403 Forbidden [IP: 18.104.22.168 80] Reading package lists... Done E: Failed to fetch http://http.kali.org/kali/dists/kali-rolling/InRelease 403 Forbidden [IP: 22.214.171.124 80] E: The repository 'http://http.kali.org/kali kali-rolling InRelease' is not signed. N: Updating from such a repository can't be done securely, and is therefore disabled by default. N: See apt-secure(8) manpage for repository creation and user configuration details.
aptpackage manager is set to refuse an update via an encrypted HTTP protocol. The default
/etc/apt/sources.listfile lists repositories without the HTTPS protocol.
The simplest fix is to replace the existing HTTP protocol with the secure HTTPS protocol. Hence, change to the relevant
/etc/apt/sources.listrepositories located within
FROM: deb http://http.kali.org/kali kali-rolling main non-free contrib TO: deb https://http.kali.org/kali kali-rolling main non-free contrib