You're reading from Ethical Hacking Workshop

Product typeBook

Published inOct 2023

PublisherPackt

ISBN-139781804612590

Edition1st Edition

Concepts

Cybersecurity

Authors (2):

Rishalin Pillay

Mohammed Abutheraa

View More author details

Port scanning

Port scanning involves determining what ports are open and accessible on your target. You can liken this activity to knocking on a door to see if anyone is home. Similarly, when you perform a port scan, you are essentially checking if a port is open and listening. Apart from determining that a port is open, a port scan can help fingerprint your target.

For example, as you perform a port scan, you may find that port 80 is open and listening. Your port scanner would be able to determine which web service is running on port 80 – for example, it would return IIS or Apache, along with its respective versions.

The range of ports that are available today ranges from 0 to 65535. Ports 0 to 1023 are known as well-known ports that have been assigned by the Internet Assigned Numbers Authority (IANA). You can view the list on IANA’s website by navigating to https://www.iana.org/assignments/service-names-port-numbers/service-names-port-numbers.xhtml.

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Ethical Hacking Workshop

Published in: Oct 2023Publisher: PacktISBN-13: 9781804612590

Authors (2)

Rishalin Pillay

Rishalin Pillay is an Offensive Cybersecurity expert who holds a number of awards and certifications from multiple companies in the Cybersecurity industry. He is well known for his contributions to online learning courses related to Red Teaming and as the author of Learn Penetration Testing. He holds Content Publisher Gold and Platinum awards for his contributions made towards the Cybersecurity Industry, including the Events Speaker Gold award for influential public speaking at Tier-1 business events.
Read more about Rishalin Pillay

Mohammed Abutheraa

Mohammed Abutheraa is Cybersecurity specialist who has over 15 years of experience in IT security, risk management, security infrastructure, and technology implementation in both private and public sector environments. He worked as Incident Response and Remediation Advisor and supported customers remediating against major incidents in the last years. He has experience in Threat Intelligence and Proactive Services like Vulnerability Assessments and Red / Purple Teaming experiences.
Read more about Mohammed Abutheraa

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Port scanning

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Authors (2)

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