TCP and UDP Ports for Cpanel Server Firewall
Incoming TCP ports
TCP_IN = “20,21,22,25,53,80,110,143,443,465,587,993,995,2077,2078,2082,2083,2086,2087,2095,2096,2242″
Outgoing TCP ports
TCP_OUT = “20,21,22,25,37,43,53,80,110,113,443,587,873,2087,2089,2703″
Incoming UDP ports
UDP_IN = “20,21,53″
Outgoing UDP ports
UDP_OUT = “20,21,53,113,123,873,6277″
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