Port #'s (Sec+)

Front 1

FTPS

Back 1

989, 990

Front 2

HTTPS

Back 2

443

Front 3

IMAP4

Back 3

143

Front 4

IPSEC

Back 4

500

Front 5

Kerberos

Back 5

88

Front 6

LDAP

Back 6

389

Front 7

S-LDAP

Back 7

636

Front 8

NTP

Back 8

123

Front 9

Proxy

Back 9

8080

Front 10

SNMP

Back 10

161, 162

Front 11

SCP / SSH / SFTP

Back 11

22

Front 12

SQL

Back 12

1433

Front 13

SSL

Back 13

443

Front 14

SYSLOG

Back 14

514

Front 15

TACACS+

Back 15

49

Front 16

TFTP

Back 16

69