August 2016
Intermediate to advanced
384 pages
9h 20m
Japanese
Content preview from Docker
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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.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.
305
13.3 Identidock をセキュアにする
り、悪意のあるスクリプトをファイルに書くことができなくなります。
•
コンテナが呼べるカーネルコールの制限。潜在的な攻撃の対象領域を狭めることができます。
•
コンテナが利用できるリソースの制限。これによって、侵入されたコンテナやアプリケー
ションが、ホストを停止に追い込むほどのリソース（例えばメモリや
CPU
）を消費する
ような、
DoS
攻撃を避けることができます。
本章は、動作中のコンテナのセキュリティに焦点を当てていますが、もう 1 つ重要なことは、
Docker デーモンへのアクセス許可を誰に与えるか、ということです。Docker コンテナを立ち上
げることができるユーザーは、事実上ホストへの root アクセス権を持つことになります。例えば、
以下のコマンドが実行できるとしましょう。
$ docker run -v /:/homeroot -it debian bash
...
これで、ホストマシン上のすべてのファイルやバイナリにアクセスできることになります。
Docker デーモンに対してリモート API でアクセスする場合、API をセキュアに保つことと、API
へのアクセス権を誰に与えるのか、ということに注意を払ってください。できれば、API へのアク
セスはローカルネットワークからのみに制限すると良いでしょう。
13.3
Identidock
をセキュアにする
本章にある程度のストーリーを持たせるために、実働環境で ...
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and much more.
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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.