October 2018
Intermediate to advanced
528 pages
12h 33m
English
book
Kali Linux 2018: Assuring Security by Penetration Testing - Fourth Edition
by Shiva V. N. Parasram, Alex Samm, Damian Boodoo, Gerard Johansen, Lee Allen, Tedi Heriyanto, Shakeel Ali
Content preview from Kali Linux 2018: Assuring Security by Penetration Testing - Fourth Edition
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p0f
The p0f tool is used to fingerprint an operating system passively. It can be used to identify an operating system on the following machines:
- Machines that connect to your box (SYN mode; this is the default mode)
- Machines you connect to (SYN + ACK mode)
- Machines you cannot connect to (RST+ mode)
- Machines whose communications you can observe
The p0f tool works by analyzing the TCP packets sent during the network activities. Then, it gathers the statistics of special packets that are not standardized by default by any corporations. An example is that the Linux kernel uses a 64-byte ping datagram, whereas the Windows operating system uses a 32-byte ping datagram or the Time To Live (TTL) value. For Windows, the TTL value is 128, while for ...
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