> For the complete documentation index, see [llms.txt](https://writeups.adityadindi.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://writeups.adityadindi.com/tryhackme/walkthroughs-easy/hardening-basics-part-1.md).

# Hardening Basics Part 1

![](/files/-MeHCueC4eerGNsVChxB)

## Hardening Basics

![](/files/-MeHDHxQ6e_XFW6x_2P9)

## Chapter 1: Securing User Accounts

![](/files/-MeHEDHlJuuIsQssqNZx)

### Dangers of Root

![](/files/-MeHE_SqAm8XiK_v4kJT)

### Sudo

![](/files/-MeHFkt0nENuQVODh2Cn)

![](/files/-MeHFooTLdfDrCswuvd9)

![](/files/-MeHFsdtm32CAJFgX_JV)

![](/files/-MeHiAPCQJTQQ4hlm_BA)

![](/files/-MeHiDsPlWOBs7TEtJET)

### Disabling Root Access

![](/files/-MeKtVx4LmPo4vlprvmm)

![](/files/-MeKtczloaiXZ9OO1ZdZ)

![](/files/-MeKthU65pbXhMgVrC2m)

### Locking Home Directories

![](/files/-MeKtqq4thrO744bbS-K)

### Configuring Password Complexity

![](/files/-MeKu0dj6Zh_EhBYIGWr)

### Configuring Other Password Requirements

![](/files/-MeKu9X-Lkgv07AR2Ova)

### Dangers of the lxd Group

![](/files/-MeKuFDKPmDpEsfERaIV)

### Quiz

![](/files/-MeMoFkKDdlL6IyY4MWG)

## Chapter 2: Firewall Basics

![](/files/-MeMoTEfAg_ELSSUuqtb)

![](/files/-MeMoZzMaQAfE20dhPoZ)

### IP Tables

![](/files/-MeMp3QlQuhl75XvHz63)

### IP Tables Configuration 

![](/files/-MeMp9yWBlpOiFfgs02z)

![](/files/-MeMpDzNIyzKjMgXVk34)

### Basic Uncomplicated Firewall

![](/files/-MeMpLy_tjU5JDDTarLE)

### Quiz

![](/files/-MeMpsEWPdyA2DmR6Ngp)