this post was submitted on 10 Feb 2025
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    I didn't know you were supposed to disable root user... (linux.community)
    submitted 4 weeks ago by Tablaste@linux.community to c/linuxmemes@lemmy.world
    172 comments fedilink hide all child comments
     

    Background: 15 years of experience in software and apparently spoiled because it was already set up correctly.

    Been practicing doing my own servers, published a test site and 24 hours later, root was compromised.

    Rolled back to the backup before I made it public and now I have a security checklist.

    (page 2) 50 comments
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    [–] potentiallynotfelix@lemmy.fish 9 points 3 weeks ago

    Weird. My last setup had a NAT with a few VMs hosting a few different services. For example, Jellyfin, a web server, and novnc/vm. That turned out perfectly fine and it was exposed to the web. You must have had a vulnerable version of whatever web host you were using, or maybe if you had SSH open without rate limits.

    [–] possiblylinux127@lemmy.zip 8 points 3 weeks ago (1 children)

    I like to spin up a public facing server and run tcpdump

    [–] horse_battery_staple@lemmy.world 4 points 3 weeks ago (2 children)

    Lol! Honeypot or just bored?

    load more comments (2 replies)
    [–] Rentlar@lemmy.ca 7 points 3 weeks ago (3 children)

    I do worry about putting up public servers that other people might rely on because there's something I might not realize making it vulnerable.

    So far I have pubkey root login only on the VPSs I'm messing around with, but my ol' reliable private key from 6 years ago might be beginning to fall behind on encryption standards.

    load more comments (3 replies)
    [–] AngryCommieKender@lemmy.world 7 points 3 weeks ago

    Use gnome powder to shrink, go behind the counter, kick his ass and get your money back.

    [–] ikidd@lemmy.world 6 points 4 weeks ago (4 children)

    This is like browsing /c/selfhosted as everyone portforwards every experimental piece of garbage across their router...

    [–] smiletolerantly@awful.systems 10 points 4 weeks ago (1 children)

    Meh. Each service in its isolated VM and subnet. Plus just generally a good firewall setup. Currently hosting ~10 services plubicly, never had any issue.

    [–] ikidd@lemmy.world 4 points 3 weeks ago

    Well, if you actually do that, bully for you, that's how that should be done if you have to expose services.

    Everyone else there is probably DMZing their desktop from what I can tell.

    [–] Irelephant@lemm.ee 6 points 3 weeks ago

    hey, thats me!

    load more comments (2 replies)
    [–] MNByChoice@midwest.social 5 points 4 weeks ago

    Good on you learning new skills.

    This is why other sysadmins and cybetsecurity exist. Be nice to them.

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