4 枚举 [toc] 4.1 枚举服务 枚举是一类程序，它允许用户从一个网络中收集某一类的所有相关信息。 本节将介绍DNS枚举和SNMP枚举技术。 DNS枚举可以收集本地所有DNS服务和相关条目。帮助用户收集目标组织的关键信息，如用户名、计算机名和IP地址等，为了获取这些信息，用户可以使用DNSenum工具。 要进行SNMP枚举，用户需要使用SnmpEnum工具。Snmp...

2 Linux - Kali Setup [TOC] 2.1 准备内核头文件 内核头文件是Linux内核的源代码。 有时候，用户需要编译内核头文件代码，为以后使用内核头文件做准备，本节将介绍编译内核头文件的详细步骤。 准备内核头文件的具体操作步骤如下所示。 (1)更新软件包列表。 执行命令如下所示： root@Kali:~# apt-get update or root@Kal...

kali install [TOC] VB install download: https://www.offensive-security.com/kali-linux-vm-vmware-virtualbox-image-download/ 安装的磁盘空间的最小值是8GB。推荐至少25GB去保存附加程序和文件。 内存最好为512MB以上。 注意事项 设置–》...

error [toc] troubleshoot Error ├─Netowork unreachable : `ping` it │ ├─ping "Netowork unreachable" : check `ip route` │ ├─ping "Netowork unreachable" : `arp -a` ├─No route to host : │ ├─check...

Linux - Network Error [toc] ping fail /etc/resolv.conf gets regenerated on boot, prevent resolv.conf to be update at boot time, # resolv.conf nameserver 10.0.2.3 nameserver 192.168.1.1 namese...

Services things to close: (decrease attack surface) bluetooth linux GUI, X server yum groupremove - X windows systme IPv6 is not used. check the Services $ systemctl // what services a...

sudo [toc] sudo file Sudo is a program that allows users to run programs, on behalf of another user, typically, the super user or root. sudo file: specifies how sudo access is granted for a giv...

SELinux [toc] intro ref https://cn.linux.vbird.org/linux_basic/0440processcontrol_5.php MAC deny by Default log everything only allow exceptions one at a time .

Package Management - NPM package.json command npm init npm install install globally or locally ...

Security of linux [toc] Linux Secure? Linux can be configured in a way that it is as secure as every other OS out there Linux can be configured nearly any way to be configured provides pitfa...

file systems [toc] Basics file system? Responsible for managing the files on a device. What does a file system need to do? Keep track of where the file is File Length Ownership Fil...

Deploy systems [toc] Virtualization on enterprise LINUX KVM provides Overcommit of physical resources. (CPU, RAM, Hard drive space) agent on guest to communicate with hypervisor. (host can ...

users and accounts [toc] Linux 用户和用户组管理 Linux系统是一个多用户多任务的分时操作系统，任何一个要使用系统资源的用户，都必须首先向系统管理员申请一个账号，然后以这个账号的身份进入系统。 用户的账号 一方面可以帮助系统管理员对使用系统的用户进行跟踪，并控制他们对系统资源的访问； 另一方面也可以帮助用户组织文...

network network network in linux Manually adding Routes to check Routes setup networking on Ubuntu add a machine to ...

Linux distributions [toc] which one phones: Android routers: DDWRT security: Kali Linux Internet: Nest, Raspberry Pi privacy,: Tails intro Linux distributions use a package management system t...