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What do you guys do about usernames / passwords for your local services? (lemmy.world)

submitted 2 months ago by AMillionMonkeys@lemmy.world to c/selfhosted@lemmy.world

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Basically every local service is accessed via a web interface, and every interface wants a username and password. Assuming none of these services are exposed to the internet, how much effort do you put into security here?
Personally, I didn't really think about it when I started. I make a half-assed effort at security where I don't use "admin" or anything obvious as the username, and I use a decent-but-not-industrial password - but I started reusing the u/p as the number of services I'm running grew. I have my browsers remember the u/ps.
Should one go farther than this? And if so, what's the threat model? Is there an easier way?

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[–] cmnybo@discuss.tchncs.de 12 points 2 months ago (1 children)

Just because each device has a globally routable IP address doesn't mean they can be accessed from outside your LAN. You still have to add a firewall rule to open a port to the device.

[–] BCsven@lemmy.ca 3 points 2 months ago* (last edited 2 months ago) (3 children)

I was referring to the latest CVE for ipv6 where an attacker just sends a flood of IPv6 packets which puts things like WindowsOS into a mode for remote code execution, even via webpage. Windows remedy right now is turnoff all ipv6 capability, as they don't have a fix yet

[–] insufferableninja@lemdro.id 7 points 2 months ago (1 children)

do self hosters use Windows? i would have thought most people were running Linux

[–] BCsven@lemmy.ca 2 points 2 months ago

I have seen both. Typically you expect somebody self hosting to be about privacy and freedom, and thus choosing Linux, but there are WinFans too

[–] drkt@lemmy.dbzer0.com 4 points 2 months ago (1 children)

That still wouldn't get past your firewall

[–] BCsven@lemmy.ca 2 points 2 months ago* (last edited 2 months ago)

Apparently crafted webpage could be a vector. Router has to block fragmented packages also. The issue is non savvy people get shipped a router with Ipv6 firewall turned off (as a shit default setting) and don't know to check it. And as it is a worm type it can come in with otger binaries

[–] jjlinux@lemmy.ml 2 points 2 months ago (1 children)

That's a Windows problem, not an IPv6 problem.

[–] BCsven@lemmy.ca 1 points 2 months ago

Of course, but for a person with all machines on network having same user name and password it could become a larger problem