We need 3 URL's to be excluded for EPO to get dat and software manager to work and download the products as normal, those are listed as below.
Software manager : https epo.mcafee.com
To download packages from software manager or from download site: http s-download.mcafee.com
PULL task will redirect to : http://update.nai.com:80
NOTE: If you want to download the DAT from FTP: here is the URL Ftp://ftp.nai.com:21
These 4 links should be accessible from your internet connection either proxy or direct..
For more ports information, please check the KB66797