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Blocked Ports List

List of ports/ services that are blocked at the head-end router.

Internet 1 - Inbound

Protocol Port Protocol Port
TCP 23 (telnet)*** TCP 25 (SMTP)***
TCP 10080 UDP 162 (snmptrap)
TCP/UDP 111 (sunrpc) UDP 69 (tftp)
TCP/UDP 135 (epmap) TCP/UDP 137 (netbios-ns)
TCP/UDP 139 (netbios-ssn) TCP/UDP 445 (microsoft-ds)
TCP 593 (http-rpc-epmap) UDP 1434 (ms-sql-m)
TCP 1433 (ms-sql-s)*** TCP 2745
TCP 3127 TCP 4444
UDP 8998 UDP 56464
TCP/UDP 57375 TCP 6346
ICMP echo ICMP echo-reply

Internet 1 - Outbound

Protocol Port Protocol Port
TCP 3127 TCP 8040
TCP/UDP 111 (sunrpc) UDP 69 (tftp)
TCP/UDP 135 (epmap) TCP/UDP 137 (netbios-ns)
TCP/UDP 139 (netbios-ssn) TCP/UDP 445 (microsoft-ds)
TCP 593 (http-rpc-epmap) UDP/TCP 1434 (ms-sql-m)
TCP/UDP 1433 (ms-sql-s) TCP 4444
UDP 8998 ICMP echo
ICMP echo-reply

Internet 2 - Inbound

Protocol Port Protocol Port
TCP 23 (telnet)*** TCP 25 (SMTP)***
TCP 10080 UDP 162 (snmptrap)
TCP/UDP 111 (sunrpc) UDP 69 (tftp)
TCP/UDP 135 (epmap) TCP/UDP 137 (netbios-ns)
TCP/UDP 139 (netbios-ssn) TCP/UDP 445 (microsoft-ds)
TCP 593 (http-rpc-epmap) UDP 1434 (ms-sql-m)
TCP 1433 (ms-sql-s)*** TCP 2745
TCP 3127 TCP 4444
UDP 8998 UDP 56464
TCP/UDP 57375 TCP 6346
ICMP echo ICMP echo-reply
TCP 3127 - 3198

Internet 2 - Outbound

Protocol Port Protocol Port
TCP 3127 - 3198 TCP 8040
UDP 162 (snmptrap) TCP/UDP 111 (sunrpc)
UDP 69 (tftp) TCP/UDP 135 (epmap)
TCP/UDP 137 (netbios-ns) TCP/UDP 139 (netbios-ssn)
TCP/UDP 445 (microsoft-ds) TCP 593 (http-rpc-epmap)
UDP/TCP 1434 (ms-sql-m) TCP/UDP 1433 (ms-sql-s)***
TCP 4444 UDP 8998
ICMP echo ICMP echo-reply

 

(***) Special case can be made through security@unm.edu