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  • DownPWundefined

    Error certification on virtualmin/Nginx

    Solved Linux
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    phenomlabundefined

    @DownPW anytime

  • Hariundefined

    Virtualmin Setup DigitalOcean

    Solved Customisation
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    phenomlabundefined

    @Hari said in Virtualmin Setup DigitalOcean:

    i have felt it is very hard to manage Virtualmin the settings are confusing

    It’s a bit of a learning curve, admittedly, but very powerful and easy to use provided you understand the implications of what you are doing. For example, moving a VirtualMin server to subserver and then back again without changing underlying components that rely on the correct placement of the server, of course it will no longer work.

  • Hariundefined

    how to use CF tunnels with Virtualmin?

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    phenomlabundefined

    @Hari DDoS protection is not just a switch, or one component. It’s a collection of different and often disparate technologies that when grouped together form the basis of a combined toolset that can be used in defence.

    Typically these consist of IDS (Instrusion Detection System) and IPS (Intrusion Prevention System) components that detect irregularities in network traffic, and will take decisive action based on predefined rulesets, or in the case of more modern systems, AI and ML.

    Traditional “traffic shaping” technology is also deployed, so if an attack cannot be easily identified as malicious, the bandwidth available to that connection is severely limited to nothing more than a trickle rather than a full flow.

    Years ago, ISP’s used traffic shaping (also called “policers”) as an effective means of stopping applications such as BearShare, eDonkey, Napster, and other P2P based sharing systems from functioning correctly - essentially reducing the “appeal” of distributing and seeding illegal downloads. This was essentially the ISP’s way of saying “stop what you are doing please” without actually pulling the plug.

    These days, DDoS attacks are designed to overwhelm - not assume control of - webservers and other public facing components. It’s rare for small entities to be attacked unless there is some form of political agenda driven by your site or product. A classic example is governmental institutions or lawmakers who effectively are classed as “enforcers” and those who disagree are effectively making a statement in the form of Denial of Service.

    DDoS protection is effectively the responsibility of the hosting provider, but you shouldn’t just assume that they will protect you or your site. Their responsibility stops at their infrastructure, so it’s then up to you too decide how you full the gap in between your host and the website.

    Typically, you’d leverage something like Imunify360 which you can get for Plesk (and something I’d strongly recommend) but it’s not free, and is a paid (not expensive per month) subscription. If you want to use VirtualMin then there are a variety of tools readily available out of the box such as firewalls and fail2ban.

  • Hariundefined

    how to increase upload DB file size in virtualmin

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    Hariundefined

    @Hari this helped

  • justoverclockundefined

    SSl expired on virtualmin

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    18
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    phenomlabundefined

    @justoverclock Not necessarily. You only need to use this if it fails from the Virtualmin window

  • JACundefined

    Email issue (virturalmin)

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    JACundefined

    @gotwf said in Email issue (virturalmin):

    @jac Typically you want your domain’s MX records to point to FQDN server name, e.g. foo.example.eg

    % drill stockportcounty.fans mx ;; ->>HEADER<<- opcode: QUERY, rcode: NOERROR, id: 63911 ;; flags: qr rd ra ; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 0 ;; QUESTION SECTION: ;; stockportcounty.fans. IN MX ;; ANSWER SECTION: stockportcounty.fans. 600 IN MX 10 stockportcounty.fans.

    Yours do not. Although a bit more drillin’ and reverse lookup indicates thusly;

    % drill stockportcounty.fans ;; ->>HEADER<<- opcode: QUERY, rcode: NOERROR, id: 160 ;; flags: qr rd ra ; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 0 ;; QUESTION SECTION: ;; stockportcounty.fans. IN A ;; ANSWER SECTION: stockportcounty.fans. 600 IN A 65.108.63.35 ;; AUTHORITY SECTION: ;; ADDITIONAL SECTION: ;; Query time: 127 msec ;; SERVER: 204.8.232.207 ;; WHEN: Sun Oct 10 19:37:02 2021 ;; MSG SIZE rcvd: 54 <kvg@loon:~>% drill -x 65.108.63.35 ;; ->>HEADER<<- opcode: QUERY, rcode: NOERROR, id: 57802 ;; flags: qr rd ra ; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 0 ;; QUESTION SECTION: ;; 35.63.108.65.in-addr.arpa. IN PTR ;; ANSWER SECTION: 35.63.108.65.in-addr.arpa. 86400 IN PTR vps.stockportcounty.fans.

    I think you probably want your mx record to point to vps.stockportcountry.fans.

    It is important for forward and reverse lookups for MX records jive. Maybe you are looking like a spammer in that they do not?

    Edit: But at least you have a reverse record, many spammers do not, so that is a big red flag.

    Thanks for the advice, will look into it all later once back home.

  • justoverclockundefined

    Digitalocean Ubuntu configuration

    Solved Linux
    33
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    justoverclockundefined

    @phenomlab thank you! not me 🙂

  • Ash3Tundefined

    SASL LOGIN authentication failed: generic failure

    Moved Solved Linux
    5
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    5 Posts
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    phenomlabundefined

    @Ash3T I’m going to mark this post as solved as I’ve not heard from you in a while. Let me know if this isn’t the case and you need more help.