Firewall and ports to leave open

K

koda

Well-Known Member
Jan 10, 2014
63
2
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cPanel Access Level
Root Administrator
I did some search around but didn't find a "comprehensive" list of which port should be left open in a standard installation of CPanel used ONLY as a mail server/webmail.
So to have WHM/CPanel/Webmail access, SMTP/POP3/IMAP (with SSL and not) and eventually ports for updates like SpamAssassin update, CPanel update, BIND for caching Blocklists, whatever other update is there.
 
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