The first TCP segment sent by a client.

TCP segments contain flags. These are defined in Section 3.1 of RFC793.

The segment below was sent by a client to create a TCP connection towards a web server. Ingicated the values of the SYN, URG, PSH, ACK, FIN and RST flags inside this segment (1 means set and 0 means reset)?


Establishment of a TCP connection

This segment was sent by a client to create a TCP connection towards a web server. What are the flags that must be set inside this segment ?

# Length Resumé Status
0 24 bytes <TCP: SEQ: 3977449417, ACK: 0, MSS>  

0000  d1da04d2ed130fc9  0000000060??7080  
0010  4f900000020405a0                    

0000  ÑÚ.Òí..É....`?p.
0010  O.......        
  • TCP:
    • Source Port: 53722
    • Destination Port: 1234
    • Sequence Number: 3977449417
    • Acknowledgment Number: 0
    • Data Offset: 6
    • Reserved: 0
    • NS: 0
    • CWR: 0
    • ECE: 0
    • URG:
    • ACK:
    • PSH:
    • RST:
    • SYN:
    • FIN:
    • Window: 28800
    • Checksum: 20368
    • Urgent Pointer: 0
    • Options: Maximum Segment Size
      • Kind: 2
      • Length: 4
      • Max Seg Size: 1440

Information

Author(s) Olivier Bonaventure
Deadline No deadline
Submission limit No limitation
Category Tags TCP

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