Skip to content
Sudonix

how to prevent DDoS attacks ?

Solved Vulnerability

Did this solution help you?
Did you find the suggested solution useful? Why not buy me a coffee? It's a nice gesture, and a great way to show your appreciation 💗

Related Topics
  • Madchatthewundefined

    TNG + Nodebb

    General
    4
    0 Votes
    4 Posts
    142 Views
    phenomlabundefined

    @Madchatthew said in TNG + Nodebb:

    you have to try and use duck tape and super glue to change something to make it do what you want it to do

    I couldn’t have put that better myself.

  • JACundefined

    NodeBB recent cards customisation

    Solved Customisation
    3
    2 Votes
    3 Posts
    114 Views
    JACundefined

    @phenomlab thank you very much for the assistance Mark, massively appreciated as always.

    The great thing about this is it’s all documented for other NodeBB users that come looking for solutions 😃.

    Looks far better 🤝👍🏻.

  • DownPWundefined

    Setting for high load and prevent DDoS (sysctl, iptables, crowdsec or other)

    Security
    4
    0 Votes
    4 Posts
    691 Views
    phenomlabundefined

    @DownPW 🙂 most of this really depends on your desired security model. In all cases with firewalls, less is always more, although it’s never as clear cut as that, and there are always bespoke ports you’ll need to open periodically.

    Heztner’s DDoS protection is superior, and I know they have invested a lot of time, effort, and money into making it extremely effective. However, if you consider that the largest ever DDoS attack hit Cloudflare at 71m rps (and they were able to deflect it), and each attack can last anywhere between 8-24 hours which really depends on how determined the attacker(s) is/are, you can never be fully prepared - nor can you trace it’s true origin.

    DDoS attacks by their nature (Distributed Denial of Service) are conducted by large numbers of devices whom have become part of a “bot army” - and in most cases, the owners of these devices are blissfully unaware that they have been attacked and are under command and control from a nefarious resource. Given that the attacks originate from multiple sources, this allows the real attacker to observe from a distance whilst concealing their own identity and origin in the process.

    If you consider the desired effect of DDoS, it is not an attempt to access ports that are typically closed, but to flood (and eventually overwhelm) the target (such as a website) with millions of requests per second in an attempt to force it offline. Victims of DDoS attacks are often financial services for example, with either extortion or financial gain being the primary objective - in other words, pay for the originator to stop the attack.

    It’s even possible to get DDoS as a service these days - with a credit card, a few clicks of a mouse and a target IP, you can have your own proxy campaign running in minutes which typically involves “booters” or “stressers” - see below for more

    https://heimdalsecurity.com/blog/ddos-as-a-service-attacks-what-are-they-and-how-do-they-work

    @DownPW said in Setting for high load and prevent DDoS (sysctl, iptables, crowdsec or other):

    in short if you have any advice to give to secure the best.

    It’s not just about DDos or firewalls. There are a number of vulnerabilities on all systems that if not patched, will expose that same system to exploit. One of my favourite online testers which does a lot more than most basic ones is below

    https://www.immuniweb.com/websec/

    I’d start with the findings reported here and use that to branch outwards.

  • Pandaundefined

    What is this bar called?

    Solved Customisation
    92
    36 Votes
    92 Posts
    8k Views
    DownPWundefined

    This is good 👍

  • phenomlabundefined

    Setting up a beta NodeBB v3 environment

    Moved Let's Build It
    14
    11 Votes
    14 Posts
    867 Views
    phenomlabundefined

    @dave1904 excellent news. Thanks for the feedback

  • cagatayundefined

    Forum Icons NodeBB

    Solved Customisation
    13
    0 Votes
    13 Posts
    1k Views
    phenomlabundefined

    @cagatay That matches what I see

    4f0f858d-9812-42b1-9f61-ffb13d31dccd-image.png

  • Pandaundefined

    Title on homepage of nodebb forum

    Solved Customisation
    2
    1 Votes
    2 Posts
    676 Views
    phenomlabundefined

    @eveh Welcome board 🙂

    The code you are referring to is custom written as no such functionality exists under NodeBB. However, adding the functionality is relatively trivial. Below are the required steps

    Navigate to /admin/appearance/customise#custom-header Add the below code to your header, and save once completed <ol id="mainbanner" class="breadcrumb"><li id="addtext">Your Title Goes Here</li></ol> Navigate to /admin/appearance/customise#custom-js and add the below code, then save $(document).ready(function() { $(window).on('action:ajaxify.end', function(data) { // Initialise mainbanner ID, but hide it from view $('#mainbanner').hide(); var pathname = window.location.pathname; if (pathname === "/") { $("#addtext").text("Your Title"); $('#mainbanner').show(); } else {} // If we want to add a title to a sub page, uncomment the below and adjust accordingly //if (pathname === "/yourpath") { //$("#addtext").text("Your Title"); //$('#mainbanner').show(); //} }); }); Navigate to /admin/appearance/customise#custom-css and add the below CSS block .breadcrumb { right: 0; margin-right: auto; text-align: center; background: #0086c4; color: #ffffff; width: 100vw; position: relative; margin-left: -50vw; left: 50%; top: 50px; position: fixed; z-index: 1020; }

    Note, that you will need to adjust your CSS code to suit your own site / requirements.

  • elhana fineundefined

    Editing a reputation for a user in a nodeBB based forum

    Solved Customisation
    9
    5 Votes
    9 Posts
    1k Views
    crazycellsundefined

    is there any way to see whose reputation is changed by this plugin?