this post was submitted on 18 Jul 2023
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I am not sure if this is the right sub, but yesterday I was having some issues with login with my user and was getting 403 error if I am not wrong and noticed that the NGINX version is exposed, which is a bad practice.

So if someone from the admins of Lemmy.world see this message, maybe they can change the NGINX config and hide the version flag by setting "server_tokens off;".

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[–] corroded@lemmy.world 49 points 1 year ago (1 children)

This really should be the default behavior, IMO.

[–] ruud@lemmy.world 48 points 1 year ago

Thanks for the tip, I changed it.

[–] s38b35M5@lemmy.world 36 points 1 year ago* (last edited 1 year ago) (3 children)

They likely won't see this unless you tag them or cross post to !support@lemmy.world

That said, I suspect the version is what's standard in the docker image, so hidden or not, it's easy to discover.

Edit: on the other hand, does the latest nginx get pulled at time of creation?

[–] tool@r.rosettast0ned.com 9 points 1 year ago

Edit: on the other hand, does the latest nginx get pulled at time of creation?

It depends on how you have your docker compose file set up. If you pin the version, no, it's never going to get updated unless a new version with that exact tag is released. If you omit the tag, it's going to default to whatever is tagged as latest in the image repository, and that's only going to actually update the image when you either manually pull the image or relaunch the compose stack.

If you want it to auto-update without relaunching the stack or manually pulling the latest image, you'd have to set up something like Watchtower and have it monitor that container.

[–] filister@lemmy.world 8 points 1 year ago (1 children)

Ugh, I didn't know, thanks for tagging them.

[–] s38b35M5@lemmy.world 5 points 1 year ago (2 children)

I didn't tag anyone--its a link to the support community. If you don't get any traction in a day or so, you can look at some of the names of admins posting in there and tag them with "@user@lemmy.world"

[–] JackbyDev@programming.dev 7 points 1 year ago (2 children)

@TheSpookiestUser@lemmy.world did it work? Is this in your inbox?

Huh, it sure did. Neat!

[–] fchaverri@mamut.cr 2 points 1 year ago

@JackbyDev @s38b35M5 @TheSpookiestUser completely off topic Jackby: your avatar kicks ass!

[–] TheSpookiestUser@lemmy.world 3 points 1 year ago (1 children)

Does this actually work to notify someone on Lemmy?

[–] JackbyDev@programming.dev 4 points 1 year ago

@user@instance is how you're supposed to mention a user. There is a space in the inbox for mentions so I assume it works.

[–] filister@lemmy.world 3 points 1 year ago

I clicked on the link but I can't contact or write them anything.

[–] squiblet@kbin.social 16 points 1 year ago (1 children)

Might as well hide the version, but if someone is going to try an exploit, they'll just try it and see whether it works.

[–] refurbishedrefurbisher@lemmy.sdf.org 18 points 1 year ago (1 children)

Yeah, this post is giving me "security through obscurity" vibes.

[–] midas@ymmel.nl 10 points 1 year ago

Obscuring version numbers is best practice. Trying exploits isn't always trivial and by knowing the exact version number of the software it can be made a whole lot easier. Good post by OP though I do think it should've been a DM to Ruud.

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