dnsjit.core.object.tcp - A TCP segment header
A TCP segment header. The data itself is in the
dnsjit.core.object.payload object, which is the next object in the
chain after parsing with, for example, dnsjit.filter.layer.
- sport
- Source port.
- dport
- Destination port.
- seq
- Sequence number.
- ack
- Acknowledgement number.
- off
- Data offset.
- x2
- Unused.
- flags
- TCP flags.
- win
- Window.
- sum
- Checksum.
- urp
- Urgent pointer.
- opts
- Array of bytes with the TCP options found.
- opts_len
- Length of the TCP options.
- Tcp:type()
- Return the textual type of the object.
- Tcp:prev()
- Return the previous object.
- Tcp:cast()
- Cast the object to the underlining object module and return it.
- Tcp:uncast()
- Cast the object to the generic object module and return it.
- Tcp:copy()
- Make a copy of the object and return it.
- Tcp:free()
- Free the object, should only be used on copies or otherwise
allocated.
dnsjit.core.object(3),
dnsjit.core.object.payload(3), dnsjit.filter.layer(3)
Jerry Lundström (DNS-OARC), Tomáš
Křížek (CZ.NIC), Petr Špaček (ISC)
Maintained by DNS-OARC
https://www.dns-oarc.net/
For issues and feature requests please use:
https://github.com/DNS-OARC/dnsjit/issues
For question and help please use:
admin@dns-oarc.net