Because URLs change weekly in Broadcom’s CDN, a direct link is useless after 30 days. However, here is the pattern the link follows. If you are scripting a download, look for:
https://[region].software.broadcom.com/security-software/endpoint-security/endpoint-protection/14.3/ symantec endpoint protection manager download 143 link
Note: You will be hit with a session cookie authentication. wget will not work without a logged-in session. Because URLs change weekly in Broadcom’s CDN, a
SEPM’s default console port is 8443 (HTTPS). A novice admin might mistakenly remember the port number as the download link: https://your-sepm-server:8443/sepm/download. Over time, “8443” becomes “143.” symantec endpoint protection manager download 143 link
Before we hunt the link, understand why 14.3 is the holy grail for many admins. Symantec Endpoint Protection 14.3 (released 2020-2021) represents the final evolution before Broadcom’s aggressive shift to the "Symantec Endpoint Security" (SES) cloud model.