Software Alternatives & Startups

lsof VS Nessus

Compare lsof VS Nessus and see what are their differences

lsof

Lsof lists open files for running UNIX processes. It is a

Rating
0 reviews
Nessus

Nessus Professional is a security platform designed for businesses who want to protect the security of themselves, their clients, and their customers.

Rating
0 reviews
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Which is more popular?

Command Line Tools popularity
100% vs 0%
alternatives listed
22 vs 240+

Base details

Website, pricing, platforms and company facts side by side.

l
lsof
Nessus
Website people.freebsd.org tenable.com
Listed in

Features and specs

What each product offers, as listed by its team.

l
lsof 0 features
Nessus 7 features

No features have been listed yet.

  • Comprehensive Vulnerability Coverage
    Nessus offers an extensive database of vulnerabilities, allowing it to identify a wide array of security issues across different environments, including networks, operating systems, applications, and devices.
  • Regular Updates
    Nessus regularly updates its plugin library to include the latest vulnerabilities, ensuring that it can detect new threats as they emerge.
  • User-Friendly Interface
    The Nessus interface is designed to be intuitive and user-friendly, making it accessible for users of varying technical expertise.
  • Customizable Scans
    Nessus allows users to customize scans to focus on specific areas, devices, or types of vulnerabilities, providing greater flexibility and precision.
  • Extensive Reporting and Analytics
    Nessus offers detailed reporting and analytics capabilities, helping users understand the state of their security posture and prioritize remediation efforts.
  • Automation Capabilities
    Nessus supports the automation of scanning and reporting processes, which helps maintain ongoing security assessments without requiring constant manual intervention.
  • Integration with Other Tools
    Nessus integrates well with other security tools and systems, such as SIEMs, making it a versatile component of a broader security ecosystem.

Possible disadvantages

  • Cost
    Nessus can be expensive, particularly for smaller organizations or those with limited budgets, as licensing fees can add up based on the number of assets being scanned.
  • Resource Intensive
    Nessus scans can be resource-intensive, potentially impacting network performance and requiring significant computational resources to conduct thorough assessments.
  • False Positives
    Like many vulnerability scanners, Nessus may sometimes produce false positives, which can lead to unnecessary remediation efforts and wasted resources.
  • Learning Curve
    Despite its user-friendly interface, fully leveraging all of Nessus's advanced features and capabilities can require a significant learning curve.
  • Limited Free Version
    The free version of Nessus, Nessus Essentials, is limited in its capabilities and is intended for individual use or small networks, which may not be sufficient for larger organizations.
  • Potential Over-Reliance
    Organizations might become overly reliant on Nessus for vulnerability management, potentially neglecting other important aspects of a comprehensive security strategy.

Analysis

An editorial look at what each product does well and who it suits.

l
lsof
Nessus

Overall verdict

  • lsof (List Open Files) is a mature, battle-tested Unix/Linux utility that reliably reveals which files, sockets, and resources are opened by processes, making it an indispensable diagnostic tool for system administrators and developers.

Why this product is good

  • Provides comprehensive visibility into open files, network sockets, pipes, and devices tied to running processes
  • Extremely useful for troubleshooting 'device busy' errors, port conflicts, and locating processes holding onto deleted files
  • Highly portable across many Unix-like systems including FreeBSD, Linux, macOS, and Solaris
  • Long history of stable, well-maintained releases with extensive documentation and community support
  • Powerful filtering options let you query by user, process, port, file, or network connection

Recommended for

  • System administrators diagnosing resource and file-locking issues
  • Developers debugging network connections and socket usage
  • Security professionals investigating suspicious process activity and open network ports
  • Anyone needing to identify which process is using a specific file, directory, or port before unmounting or killing

No analysis of Nessus yet.

Videos

Walkthroughs and reviews on video.

l
lsof 2 videos + Add
Nessus 3 videos + Add

8 Basic lsof Commands Every Sysadmin Needs to Know

More videos

  • - HakTip - Network monitoring in Linux with lsof

LABS 17 Vulnerability Analysis Using the Nessus REVIEW

More videos

  • - What is Nessus? | Explaining vulnerabilities in a Web Application
  • - Getting Started with Nessus Vulnerability Scanner - 2018

Category popularity

How often each product is chosen within a category, 0–100% relative to the other.

Score bands 0–20 21–40 41–50 51–60 61–100
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lsof
Nessus
100% 100%
0% 0%
0% 0%
100% 100%
100% 100%
0% 0%
0% 0%
100% 100%

User comments

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Reviews and articles

External articles and on-site reviews we used to compare the two products.

l
lsof no reviews yet
Nessus no reviews yet

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Alternatives to lsof and Nessus

When comparing lsof and Nessus, you can also consider the following products.

  • htop

    htop - an interactive process viewer for Unix. This is htop, an interactive process viewer for Unix systems. It is a text-mode application (for console or X terminals) and requires ncurses. Latest release: htop 2.

    Compare htop to lsof or Nessus:

  • Qualys

    Qualys helps your business automate the full spectrum of auditing, compliance and protection of your IT systems and web applications.

    Compare Qualys to lsof or Nessus:

  • Sysdig

    Sysdig is an open source, system-level exploration that capture system state and activity from a running Linux instance, then save, filter and analyze.

    Compare Sysdig to lsof or Nessus:

  • Intruder

    Intruder is a security monitoring platform for internet-facing systems.

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  • vtop

    vtop is a graphical command-line tool that uses unicode braille to chart CPU and memory usage.

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  • Burp Suite

    Burp Suite is an integrated platform for performing security testing of web applications.

    Compare Burp Suite to lsof or Nessus: