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23 Cards in this Set
- Front
- Back
20
|
FTP (data)
|
|
21
|
FTP (control)
|
|
22
|
SSH
|
|
23
|
Telnet
|
|
25
|
SMTP
|
|
50
|
Encapsulation Security Protocol
|
|
51
|
Authentication Header
|
|
53
|
DNS
|
|
69
|
TFTP
|
|
80
|
HTTP
|
|
110
|
POP3
|
|
119
|
NNTP
|
|
123
|
NTP
|
|
137-139
|
NetBIOS
|
|
143
|
IMAP4
|
|
161
|
SNMP
|
|
179
|
BGP
|
|
443
|
HTTPS
|
|
500
|
IP-Sec VPN UDP
|
|
520
|
RIP
|
|
546
|
DHCP (Client)
|
|
547
|
DHCP (Server)
|
|
47 & 1723
|
PPTP
|