Numbers to Remember Flashcards
TCP 20
FTP Data
TCP 21
FTP Control
22 TCP,UDP
SSH
23 TCP
Telnet
25 TCP
SMTP
53 TCP, UDP
DNS
67 UDP
DHCP, BOOTP Server
68 UDP
DHCP, BOOTP Client
69 UDP
TFTP
80 TCP
HTTP
88 TCP
Kerberos
110 TCP
POP3
119 TCP
NNTP
123 UDP
NTP
135 TCP, UDP
MS EPMAP (DCE/RPC Locator)
137 TCP, UDP
NetBIOS Name Service
138 TCP, UDP
NetBIOS Datagram Service
139 TCP, UDP
NetBIOS Session Service
143 TCP, UDP
IMAP
161 TCP, UDP
SNMP
162 TCP, UDP
SNMP Trap
179 TCP
BGP
389 TCP, UDP
LDAP
443 TCP, UDP
HTTPS
445 TCP
MS Active Directory DS
465 TCP
SMTP over SSL
500 UDP
ISAKMP
515 TCP
LPD
1025 TCP
NFS or IIS
1080 TCP
SOCKS Proxy
1701 UDP
L2TP
L2F - Layer 2 Forwarding Protocol
1723 TCP, UDP
MS PPTP
1812 TCP, UDP
RADIUS authentication protocol
1813 TCP, UDP
RADIUS accounting protocol
3389 TCP
MS RDP (Terminal Services)
ICMP Type 0
Echo Reply
ICMP Type 1 and 2
Reserved
ICMP Type 3 Code 0
destination unreachable
Destination Network unavailable
ICMP Type 3 Code 1
destination unreachable
Destination Host unreachable
ICMP Type 3 Code 2
destination unreachable
Destination Protocol unreachable
ICMP Type 3 Code 3
destination unreachable
Destination port unreachable
ICMP Type 3 Code 4
destination unreachable
Fragmentation Required and DF Flag set
ICMP Type 3 Code 5
destination unreachable
Source Route failed
ICMP Type 3 Code 6
destination unreachable
Destination network unknown
ICMP Type 3 Code 7
destination unreachable
Destination host unknown
ICMP Type 3 Code 8
destination unreachable
Source host isolated
ICMP Type 3 Code 9
destination unreachable
Network administratively prohibited
ICMP Type 3 Code 10
destination unreachable
Host administratively prohibited
ICMP Type 3 Code 11
destination unreachable
Network unreachable for TOS
ICMP Type 3 Code 12
destination unreachable
Host unreachable for TOS
ICMP Type 3 Code 13
destination unreachable
Communication administratively prohibited
ICMP Type 4
(source quench
0 Source quench (congestion control)
ICMP Type 5
redirect
0 redirect datagram for network
1 redirect datagram for host
2 redirect datagram for TOS and network
3 redirect datagram for TOS and host
ICMP Type 8
echo request
0 echo request
ICMP Type 9
router advertisement
0 router advertisement
ICMP Type 10
Router solicitation
0 router discovery/selection/solicitation
ICMP Type 11
Time Exceeded
0 TTL expired in transit
1 Fragment reassembly time exceeded
ICMP Type 12
Parameter problem bad header
0 pointer indicates the error
1 missing a required option
2 bad length
ICMP Type 13
Timestamp
0 timestamp
ICMP Type 14
Timestamp reply
0 Timestamp reply
ICMP Type 15
Information request
0 information request
ICMP Type 16
information reply
0 information reply
ICMP Type 17
address mask request
0 address mask request
ICMP Type 18
address mask reply
0 address mask reply
ICMP Type 30
trace route
0 information request
