lec16 - CprE 530 Lecture 16 Application Layer Security TCP...

Info iconThis preview shows pages 1–4. Sign up to view the full content.

View Full Document Right Arrow Icon
CprE 530 Lecture 16 Application Layer Security TCP stream Service Socket Layer Common Attack Methods • Common Attack Methods
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
TCP Stream Service Application Application User A User B Hello John: Do you have the report finished? We need to get it to headquarters today write("<start data>\r\n"); write("Hello John:\r\n\r\nDo you have the report finished?\r\nWe need to get it to headquarters\r\ntoday"); read() = "<start data>\r\n" read() = "Hello John:\r\n\Do you have t" read() = "he report finished?\r" read() = "\nWe need to get it to head" Hello John: Do you have the report finished? We need to get it to headquarters today <start data> Hello John: Do you have the report finished? We need to get it to headquarters today <end data> Internet TCP IP Network TCP IP Network Hello John:\r\n\r\n Do you have the report finished?\r \nWe need to get it to head quarters\n\rtoday write("<end data>\r\n"); <start data>\r\n <end data>\r\n read() = "quarters\n\rtoday\r\n<end " read() = "data>\r\n" Sockets Application to TCP interface Socket protocol
Background image of page 2
Application / TCP Interface Client Server Port Port TCP TCP IP, Port IP, Port Handle = OS_Connection() Handle = OS_Connection() Socket Protocol
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 4
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 12/08/2011 for the course CPRE 530 taught by Professor Jacobson during the Fall '10 term at Iowa State.

Page1 / 9

lec16 - CprE 530 Lecture 16 Application Layer Security TCP...

This preview shows document pages 1 - 4. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online