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TCP/IP Header

TCP/IP Header. Onno W. Purbo onno@indo.net.id User Internet Biasa. Referensi. http://www.ietf.org http://www.sans.org http://rr.sans.org. Topologi Sebuah Paket Data. TCP Header. Contoh Aplikasi di atas TCP. Mail SMTP - port 25 Mail POP3 - port 110 Web HTTP - port 80. IP Header.

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TCP/IP Header

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  1. TCP/IP Header Onno W. Purbo onno@indo.net.id User Internet Biasa ..

  2. Referensi • http://www.ietf.org • http://www.sans.org • http://rr.sans.org

  3. Topologi Sebuah Paket Data

  4. TCP Header

  5. Contoh Aplikasi di atas TCP • Mail SMTP - port 25 • Mail POP3 - port 110 • Web HTTP - port 80

  6. IP Header

  7. Format Type of Service (ToS) • Bit 0-2 Precedence • 111 Normal Control • 110 Internetwork Control • 101 CRITIC / ECP • 100 Flash Override • 011 Flash • 010 Immediate • 001 Priority • 000 Routine

  8. Format Type of Service (ToS) • Bit 3 Delay • 0 normal delay • 1 low delay • Bit 4 Throughput • 0 normal throughput • 1 high throughput • Bit 5 Reliability • 0 normal reliability • 1 high reliability • Bit 6-7 Reserved

  9. Flag • R bit 0 is reserved & must be zero • DF bit 1: don’t fragment bit • 0 may fragment • 1 don’t fragment • MF bit 2: more fraqments bit • 0 last fragment • 1 more fragment

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