sorry, I dont know how to export options to text, Attachment is full content of the capture. 2014-04-14 13:27 GMT+08:00 Eric Dumazet : > On Mon, 2014-04-14 at 13:02 +0800, chptx y wrote: >> Text exporting from wireshark, is it OK? >> --------------------------------------------------------------------------------------------------------- >> Frame 30: 168 bytes on wire (1344 bits), 168 bytes captured (1344 bits) >> Transmission Control Protocol, Src Port: http (80), Dst Port: 34865 >> (34865), Seq: 12517, Ack: 3086, Len: 100 >> Source port: http (80) >> Destination port: 34865 (34865) >> [Stream index: 0] >> Sequence number: 12517 (relative sequence number) >> [Next sequence number: 12617 (relative sequence number)] >> Acknowledgement number: 3086 (relative ack number) >> Header length: 32 bytes >> Flags: 0x010 (ACK) >> Window size value: 7541 >> [Calculated window size: 7541] >> [Window size scaling factor: 1] >> Checksum: 0x89d8 [correct] >> [Good Checksum: True] >> [Bad Checksum: False] >> Options: (12 bytes) >> [SEQ/ACK analysis] >> [Reassembled PDU in frame: 34] >> TCP segment data (100 bytes) >> >> Frame 31: 68 bytes on wire (544 bits), 68 bytes captured (544 bits) >> Transmission Control Protocol, Src Port: 34865 (34865), Dst Port: http >> (80), Seq: 3086, Ack: 12617, Len: 0 >> Source port: 34865 (34865) >> Destination port: http (80) >> [Stream index: 0] >> Sequence number: 3086 (relative sequence number) >> Acknowledgement number: 12617 (relative ack number) >> Header length: 32 bytes >> Flags: 0x010 (ACK) >> Window size value: 5001 >> [Calculated window size: 40008] >> [Window size scaling factor: 8] >> Checksum: 0x8213 [incorrect, should be 0x1614 (maybe caused by >> "TCP checksum offload"?)] >> [Good Checksum: False] >> [Bad Checksum: True] >> Options: (12 bytes) >> [SEQ/ACK analysis] >> >> Frame 32: 1416 bytes on wire (11328 bits), 1416 bytes captured (11328 bits) >> Transmission Control Protocol, Src Port: http (80), Dst Port: 34865 >> (34865), Seq: 12617, Ack: 3086, Len: 1348 >> Source port: http (80) >> Destination port: 34865 (34865) >> [Stream index: 0] >> Sequence number: 12617 (relative sequence number) >> [Next sequence number: 13965 (relative sequence number)] >> Acknowledgement number: 3086 (relative ack number) >> Header length: 32 bytes >> Flags: 0x010 (ACK) >> Window size value: 7541 >> [Calculated window size: 7541] >> [Window size scaling factor: 1] >> Checksum: 0x4139 [correct] >> [Good Checksum: True] >> [Bad Checksum: False] >> Options: (12 bytes) >> [SEQ/ACK analysis] >> [Reassembled PDU in frame: 34] >> TCP segment data (1348 bytes) > > Hard to say. We do not see the content of the TCP options. You might > receive invalid timestamps. > > tcpdump -vv would tell us the needed information, with minimal > verbosity. > > >