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Practical Web Penetration Testing

You're reading from   Practical Web Penetration Testing Secure web applications using Burp Suite, Nmap, Metasploit, and more

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Product type Paperback
Published in Jun 2018
Publisher Packt
ISBN-13 9781788624039
Length 294 pages
Edition 1st Edition
Languages
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Author (1):
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 Khawaja Khawaja
Author Profile Icon Khawaja
Khawaja
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Toc

Table of Contents (22) Chapters Close

Title Page
Packt Upsell
Contributors
Preface
1. Building a Vulnerable Web Application Lab 2. Kali Linux Installation FREE CHAPTER 3. Delving Deep into the Usage of Kali Linux 4. All About Using Burp Suite 5. Understanding Web Application Vulnerabilities 6. Application Security Pre-Engagement 7. Application Threat Modeling 8. Source Code Review 9. Network Penetration Testing 10. Web Intrusion Tests 11. Pentest Automation Using Python 1. Nmap Cheat Sheet 2. Metasploit Cheat Sheet 3. Netcat Cheat Sheet 4. Networking Reference Section 5. Python Quick Reference 6. Other Books You May Enjoy Index

Secure shell protocol


Secure shell (SSH) protocol is a network protocol that is used to establish an encrypted communication between a server and a client, using the TCP protocol. The SSH service is TCP-based, and listens, by default, on port 22. In general, a public-private key pair allows users to log in to a system without requiring a password. The public key is present on all systems that require a secure connection, while the user keeps the private key in a secure place. On the target systems, the public key is verified against a list of authorized keys that are allowed to remotely access the server. SSH can be compromised when the public key is not cryptographically strong enough, and can be guessed.

  • To start the ssh service, use the following:
service ssh start
  • To check whether the service is running properly, use the following:
netstat -antp|grep sshd
# or
service ssh status
  • To enable the service to start on boot, use the following:
systemctl enable ssh
  • To stop the SSH service, use the...
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