FTP - 21
TFTP - Trivial FTP
SFTP - Simple FTP (All file transfers)
SMTP - Simple Mail Transport P (sending) 25
Recieving is POP3 Post Office Pv3, 110) or IMAP4 (Internet Message Access P, 143)
SNMP - Simple Network Management P (161) (Run/DXDIAG (Pulls system Info))
HTTP(s) - Hyper Text Transport P (secure) (80, (s)-443)
SSH - secure shell (22)
NTP - Network time P (syncing on 123)
LDAP - Lightweight Directory Access P (389)
DNS - Domain Name Service (53) (Forward and Reverse look-up)
DHCP - Dynamic Host Control P (UDP 67 and 68) (Dynamic, Static, and APIPA)
- Discover
- Offer
- Request
- DHCPACK
ICMP - Internet Control Message P (block Port 7 to block echo request) (Ping and Tracer)
Telnet - (23) (Gives command line interface) (partially outdated)
DoD Model - Layer 4 - Process/Application
Layer 3 - Host-To-Host
Layer 2 - Internet
Layer 1 - Network Access
1025^ - PC knows it was randomly generated
TCP - (Transmission Control P) Reliable
UDP (User Datagram P) - Unreliable
TCP/IP Layer 4
(R)ARP - (Reverse) Adress Resolution Protocol (Gives MAC address for IP) (R - Gives IP from MAC)
NAT - Network Address P (Organization for personal to public IP)
NFS - Network File System
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Network address and Host address is seperated by the subnet mask (1's are network and 0's are host) Host is assigned to users (up to 254) and network is shown by 255.
Class A,B,C,D,E (Dictated by 1st octet)
1-126 Class A (10.0.0.0 - 10.255.255.255)
128-191 Class B (172.16.0.0 - 172.31.255.255)
192-223 Class C (192.168.0.0 - 192.168.255.255)
224-247 Class D
248-255 Class E
(127 is reserved for loopback)
Host address of all 1's(255.255.255.255) is a broadcast.
APIPA - Automatic Private IP Addressing (windows automatically designates an IP)
/# Dictates how many 1's there are 255 and 0 put the number, anything else do the binary to decimal conversion for the number.