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OpenVPN VS tcpdump

Compare OpenVPN VS tcpdump and see what are their differences

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Contents:
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  2. » Videos
  3. » Reviews
  4. » Alternatives

OpenVPN logo OpenVPN

OpenVPN - The Open Source VPN

tcpdump logo tcpdump

tcpdump is a common packet analyzer that runs under the command line.
  • OpenVPN Landing page
    Landing page //
    2023-09-19
  • tcpdump Landing page
    Landing page //
    2023-04-27

OpenVPN features and specs

  • Security
    OpenVPN uses robust encryption standards like AES-256, providing a high level of security for data transmission.
  • Open Source
    Being open-source, OpenVPN allows users to verify its code for vulnerabilities, ensuring transparency and reliability.
  • Flexibility
    OpenVPN can run on various platforms, including Windows, Mac, Linux, iOS, and Android, offering extensive compatibility.
  • Customizability
    Users can configure OpenVPN according to their specific needs, allowing advanced network setups and policies.
  • Performance
    OpenVPN offers strong performance with efficient handling of large data transmissions and support for high and stable speeds.
  • Community Support
    A large and active community provides ample resources, including tutorials, forums, and user support.
  • Cost
    As a free and open-source solution, OpenVPN significantly reduces the cost compared to many commercial VPN offerings.

Possible disadvantages of OpenVPN

  • Complex Setup
    Setting up OpenVPN can be complex and may require technical expertise, particularly for advanced configurations.
  • Resource Intensive
    OpenVPN can be resource-intensive compared to some other VPN protocols, potentially impacting the performance of older or lower-spec hardware.
  • Client Software
    The official OpenVPN client software has a less user-friendly interface compared to some commercial VPNs, possibly deterring less tech-savvy users.
  • Mobile Experience
    Although OpenVPN supports mobile devices, the user experience on mobile can be less streamlined compared to desktop environments.
  • Initial Learning Curve
    New users may find the initial learning curve steep due to the multitude of configuration options and the need for understanding networking concepts.
  • Support
    While community support is strong, there may not be as much immediate or personalized support as found with some commercial VPN services.

tcpdump features and specs

  • Powerful packet capturing
    tcpdump offers comprehensive capabilities for capturing network packets, providing detailed insights into network traffic, which makes it a powerful tool for network diagnostics and analysis.
  • Wide compatibility
    Being a widely used tool, tcpdump is compatible with numerous operating systems, including Linux, Unix, and macOS, ensuring accessibility across different platforms.
  • Filter flexibility
    tcpdump supports a wide range of filtering options that allow users to capture specific types of traffic, ensuring efficient and targeted packet capture.
  • Command-line interface
    tcpdump is a command-line tool, which provides advanced users the ability to script and automate tasks, making it highly efficient for those familiar with command-line operations.
  • Free and open-source
    tcpdump is open-source software, which means it is freely available for use and can be modified and distributed by anyone, fostering a community of users and contributors.

Possible disadvantages of tcpdump

  • Steep learning curve
    For users unfamiliar with command-line interfaces and packet-level networking, tcpdump can be difficult to learn due to its complex commands and options.
  • Minimal graphical interface
    tcpdump lacks a graphical user interface (GUI), which can make it less accessible for users who prefer visual tools over text-based interfaces.
  • Limited analysis capability
    While tcpdump is excellent for capturing packets, it offers limited built-in analysis features, requiring additional tools for comprehensive analysis of captured data.
  • High resource usage
    Running tcpdump with extensive capture options or on high-traffic networks can result in significant CPU and memory usage, potentially impacting system performance.
  • Security risks
    tcpdump requires root or elevated privileges to capture packets, which could pose security risks if not managed correctly, especially on sensitive systems.

Analysis of OpenVPN

Overall verdict

  • OpenVPN is generally regarded as a good option for both personal and enterprise-level VPN needs. Its strong encryption, adaptability, and community support make it a preferred choice for those who need secure and reliable virtual private network services.

Why this product is good

  • OpenVPN is considered a reliable and secure VPN solution due to its strong encryption standards, open-source nature, and flexibility. It supports a variety of operating systems and devices, and can be configured to meet different security requirements. Its open-source nature allows the community to inspect, modify, and enhance the code, ensuring transparency and continuous improvement. Additionally, it offers robust support for different authentication methods and network configurations.

Recommended for

  • Individuals seeking enhanced online privacy and security.
  • Businesses looking for a scalable and secure VPN solution.
  • IT professionals who require customizable and flexible VPN configurations.
  • Users who prefer open-source software with an active development community.

OpenVPN videos

+ Add

OpenVPN Overview

More videos:

  • Tutorial - How to setup OpenVPN on Windows | macOS | Android | iOS - Smart DNS Proxy

tcpdump videos

+ Add

Tcpdump - Protocol Review 5 (TCP)

More videos:

  • Review - Tcpdump - Protocol Review 3 (UDP)
  • Review - Tcpdump - Protocol Review 4 (DNS) - Draft

Category Popularity

0-100% (relative to OpenVPN and tcpdump)

OpenVPN

tcpdump

VPN
100 100%
VPN
0% 0
Monitoring Tools
0 0%
Monitoring Tools
100% 100
Security & Privacy
100 100%
Security & Privacy
0% 0
Log Management
0 0%
Log Management
100% 100

User comments

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Reviews

These are some of the external sources and on-site user reviews we've used to compare OpenVPN and tcpdump

OpenVPN Reviews

The top 10 alternatives to OpenVPN
OpenVPN is an open-source software application that provides virtual private network (VPN) services. It allows the creation of secure network connections over the internet, using a custom security protocol that utilizes SSL/TLS for key exchange. OpenVPN is capable of traversing network address translators (NATs) and firewalls, providing users with the ability to securely...
Source: www.twingate.com
Best Top 20 OpenVPN Alternatives (Pros and Cons)
OpenVPN is a virtual private network system used to create trusted end-to-end connection configuration and remote access services. As with any other VPN service, OpenVPN also has its own drawbacks. For instance, its inability to bypass particular proxy servers and complexities in user journeys lead to less user-friendliness. Therefore, we will be discussing a few...
Source: cloudinfrastructureservices.co.uk
6 Types of VPN Protocols, Compared: Which is the Best to Use?
In most cases, OpenVPN or WireGuard will be your best bet. PPTP is a protocol we don’t recommend using because of its relatively low-level encryption. However, you could try this protocol when privacy and security are not your highest priorities, such as for unblocking streams. If OpenVPN is not supported or does not work well for whatever reason, you could consider using...
Source: vpnoverview.com
OpenVPN vs WireGuard: Which protocol is best?
OpenVPN was first released in May 2001. Although the PPTP protocol had been around for five years already at this point, OpenVPN became popular because it offered stronger encryption without too much of a drop in speed. Over the years, vulnerabilities were patched and new clients were developed that brought OpenVPN support to a greater range of devices. This previously...
Source: www.comparitech.com
9 Best NordVPN Alternatives You Must Use In 2022
The next alternative to NordVPN on our list is OpenVPN. OpenVPN allows you to establish a point-to-point secure connection between your device and the Internet. It is a flexible VPN solution that can cater to business needs as well.
Source: wethegeek.com

tcpdump Reviews

6 Best Wireshark Alternatives for Windows and macOS
The quickness that you can have with tcpdump over Wireshark is awesome. It is one of those tools that many network administrators prefer whenever they need to take a look at the actual network packets that are being transmitted. The Tcpdump is not as feature rich as Wireshark but the output of its packet dump can be used as input by other programs. Moreover, It can be used...
Source: techwiser.com

Social recommendations and mentions

Based on our record, OpenVPN seems to be more popular. It has been mentiond 40 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

OpenVPN mentions (40)

  • Ask HN: Who is hiring? (October 2023)
    OpenVPN is hiring! https://openvpn.net/ C++ Developer in the United States. Full-time| Fully remote| Flexible work schedules Link to look at vacancy details and apply:. - Source: Hacker News / over 1 year ago
  • Are there any work arounds for the Netflix new "household" system?
    How you connect to your modem will depend on the device you are using, but for windows laptops as an example you download the OpenVPN program and input your modem details there, much like you would any other vpn service. I think there would be some guides on youtube. https://openvpn.net/. Source: almost 2 years ago
  • Can i use PFSense to control incoming user connections (without a vpn?)
    I just started playing with CloudConnexa for remotely managing my second pFSense. Really nice and is free for up to 3 concurrent users. https://openvpn.net. Can also self-host OpenVPN access server with a free 2 concurrent license. Source: about 2 years ago
  • Is the 7spotlight Markle family interview airing now? Is anyone watching and can provide comment? 👀📺
    If anyone is being blocked check out free OpenVPN. Source: about 2 years ago
  • Is it possible for a sysadmin to block only some packets from a VPN connection ?
    I too haven't used the client-nat directive in some years (I currently implement 1:1 NAT with pfsense to access my network because I'm too lazy to change the networks subnet from the default) so I decided to retest and it does appear that OpenVPN Connect clients do not properly support the client-nat directive but the traditional OpenVPN server/clients still do. I've just tested this on OpenVPN 2.6.3 Server,... Source: about 2 years ago
View more

tcpdump mentions (0)

We have not tracked any mentions of tcpdump yet. Tracking of tcpdump recommendations started around Mar 2021.

What are some alternatives?

When comparing OpenVPN and tcpdump, you can also consider the following products

ProtonVPN - ProtonVPN is a security focused FREE VPN service, developed by CERN and MIT scientists. Use the web anonymously, unblock websites & encrypt your connection.

Wireshark - Wireshark is a network protocol analyzer for Unix and Windows. It lets you capture and interactively browse the traffic running on a computer network.

Hotspot Shield - Hotspot Shield is a software application developed by AnchorFree, Inc.

SmartSniff - SmartSniff is a packet sniffer that capture TCP/IP packets and display them as sequence of conversations between clients and servers.

Psiphon - Psiphon is circumvention software for Windows and Mobile platforms that provides uncensored access to Internet content. Read more about Psiphon.

Ettercap - Ettercap is a suite for man in the middle attacks on LAN.

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