OSI Layers
All People Some Time Need Data Processing
MAC Frame

Paula Shouted Directly Saying Let’s Dance Cargo?
Blutooth Layers

Bluetooth Frame format

Classful Addressing

IPv4 Header
Virginia Helen Decides Today In France Flying to Portugal Had Significant Debts Opened
TCP Header

mnemonics : Should Dean Scold All Hundred Righteous Folks, We Could Urgently Take Them Down

Unskilled = URG
https://danielmiessler.com/study/tcpflags/
Attackers = ACK
Pester = PSH
Real = RST
Security = SYN
Folks = FIN
Authentication Header

mnemonic : National Public Radio Sought Security Authorities
ARP Encapsulation

SSL
- Fragmentation. First, SSL divides the data into blocks of 214 bytes or less.
- Compression. Each fragment of data is compressed using one of the lossless com- pression methods negotiated between the client and server. This service is optional.
- Message Integrity. To preserve the integrity of data, SSL uses a keyed-hash function to create a MAC.
- Confidentiality. To provide confidentiality, the original data and the MAC are encrypted using symmetric-key cryptography.
- Framing. A header is added to the encrypted payload. The payload is then passed to a reliable transport-layer protocol.
Mnemonic : For Crying (out loud) Make Cinema Famous again
