January 2021
Intermediate to advanced
547 pages
12h 4m
Chinese
Content preview from 网络安全评估（第三版）
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252
｜
第
7
章
• NFS
组件（
nfs
、
mountd
、
nlockmgr
、
status
、
nsm_addrand
和
nfs_acl
）。
• NIS
组件（
ypserv
、
ypbind
、
yppasswd
和
ypxfrd
）。
•
通用桌面环境（
CDE
）服务：
—
日历管理器服务进程（
cmsd
）。
—
ToolTalk
数据库服务器（
ttdbserverd
）。
在
legacy
环境中，很多这些服务容易遭受远程攻击，
IANA
维护了一份综合
性列表
注
58
，其中列出了
RPC
程序号、描述和索引等信息。
手工查询暴露的
RPC
服务
在
Kali Linux
中安装
rstat-client
和
nis
软件包后，可以对实例
7-36
中列出的
很多
RPC
端点进行查询，实例
7-37
展示了对
rstatd
进行查询并获取很多系统
信息（包括主机名、启动时间、负载和网络统计信息等）的情况。
实例 7-37：查询 rstatd
root@kali:~#
apt-get install rstat-client
root@kali:~#
rsysinfo 192.168.10.1
System Information for: potatohead.example.org
uptime: 33 days, 10:20, load average: 0.00 0.00 0.01
cpu usage (jiffies): user 326809 nice 124819 system 391189 idle 576845938
page in: 7914 page ...
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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.