November 2022
Intermediate to advanced
256 pages
6h 50m
Polish
Content preview from Cyberbezpieczeństwo w bashu
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Rozdział 9. Narzędzie: monitor sieci
W świecie cyberbezpieczeństwa wczesne wykrywanie nieprzyjacielskiej aktywności jest kluczowe dla znalezienia remedium. Jedna ze stosowanych technik polega na monitorowaniu sieci pod kątem nowych lub nieoczekiwanych zdarzeń sieciowych (np. otwartych portów). Do jej implementacji wystarczy wiersz poleceń.
W tym rozdziale utworzysz narzędzie do monitorowania zmian w otwartych portach sieciowych w systemie. Oto wymagania dotyczące tego narzędzia:
- Wczytywanie pliku zawierającego adresy IP lub nazwy hostów.
- Dla każdego hosta z pliku należy przeskanować porty sieciowe, aby ustalić, które są otwarte.
- Zapisywanie wyniku skanowania portów do pliku o nazwie odpowiadającej bieżącej dacie.
- Gdy skrypt zostanie uruchomiony ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.