May 2012
Intermediate to advanced
720 pages
23h 31m
Polish
Content preview from Wojownik sieciBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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.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.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.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.
Rozdział 27. Podstawy działania zapór sieciowych
Zapora sieciowa (ang. firewall) jest urządzeniem, które zapobiega wprowadzaniu do sieci lub wyprowadzaniu z niej pewnego rodzaju ruchu. Zazwyczaj, choć nie zawsze, chroni nas przed zagrożeniami, jakimi są próby uzyskania dostępu do sieci wewnętrznej przez osoby pracujące w internecie. Zapory sieciowe są często instalowane w miejscach łączenia sieci firmowych z systemami organizacji, którym nie można ufać (na przykład z systemami partnerów handlowych).
Funkcję zapory sieciowej może pełnić niezależne urządzenie, oprogramowanie uruchomione w routerze lub moduł zainstalowany w innym komponencie sieciowym (na przykład w przełączniku Cisco 6500). Często również są implementowane w powszechnie wykorzystywanych ...
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.
Read now
Unlock full access
More than 5,000 organizations count on O’Reilly
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.