requirements to Install agent SCCM 2012

Description	UDP	TCP
HTTP from the client computer to a fallback status point	. not applicable	80
Server Message Block (SMB) between the site server and client computer	. not applicable	445
RPC endpoint mapper between the site server and the client computer	135	135
RPC dynamic ports between the site server and the client computer	. not applicable	Dynamic
HTTP from the client computer to an intranet-only management point	. not applicable	80
HTTPS from the client computer to an Internet-capable management point.	Not applicable	443

also Internet Control Message Protocol (ICMP) echo request (PING) messages