A web server is a piece of program that distributes web content using the HTTP protocol. A web server must host every website on the internet because it is the backbone of the internet. https://www.infosectrain.com/courses/ceh-v11-certification-training/

1. Types of Web Server Attacks
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What are web server attacks?
A web server is a piece of program that distributes web content using the HTTP
protocol. A web server must host every website on the internet because it is the
backbone of the internet.

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A web server attack is any deliberate attempt by a bad actor to compromise the security
of a web server. An attack on the web server will result from any vulnerability in the
network, operating system, database, or applications.
Serious ramifications could include data tampering, theft, website vandalism, etc. All of
this could result in a company getting a negative reputation and customers losing faith
in it.
Most common types of web server attacks:
SSH Brute-Force Attack: The password used to identify a legitimate user and give access
to the web server is frequently the foundation of a web server's authentication system. By
trying all possible SSH login passwords, an SSH brute-force attack is utilized to acquire
access. This kind of attack can be used to spread malicious files, drain a server's
resources, and go unnoticed.
Denial of Service (DoS) or Distributed Denial of Service (DDoS) Attack: In this attack, the
web server is made to respond to a high number of request packets, which causes it to
slow down or crash resulting in a denial of service or access to authorized users.
Website Defacement: The hacker gains access and defaces the websites in this kind of
attack. For various reasons, such as to disgrace or defame the victim, an attacker finds a
way to change the website's files or contents without your consent.

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Directory Traversal: In this attack, the attacker can get access from the application
outside of the web root directory, which might allow them to run OS commands, obtain
sensitive data, or access restricted directories. Web pages are stored in the root directory;
however, the hacker focuses on directories that are not in the root directory. On older
servers with flaws and vulnerabilities, it generally works well.
Phishing Attack: It is carried out by fooling the victim into clicking a malicious link in an
email. The user is forwarded to a fake website that is hosted on the attacker's server using
the link. The attackers can then use the victim's login information to perform malicious
actions on the genuine target website.
Cross-Site Scripting (XSS): A malicious code is injected into web applications due to a
security flaw. The victims run this code, which enables the attackers to get around access
controls and pose as users. The hacker will then have access to data from web
applications, such as cookies and session information. This kind of attack is most likely to
affect websites with scripting errors.
Session hijacking: It occurs when a web server uses a cookie to determine the user's
session. This attack is carried out automatically using sniffing software.
Man-in-the-Middle (MITM) Attack: It enables attackers to eavesdrop on the
conversation between two servers in the MITM attack. To the victim, it will seem like a
typical information exchange is taking place, but the attacker can covertly steal
information by "middling" in the dialogue or data transfer.

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Final words:
In the modern internet era, we visit numerous websites for many daily tasks, and
obviously, no one ever wants to experience web server attacks. Therefore, you can enroll
in InfosecTrain's numerous cybersecurity courses like CEH, Web Application Penetration
Testing, and CompTIA PenTest+ if you want to learn how to protect your web servers from
attackers.

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