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thanks lain (rule) (lemmy.blahaj.zone)
submitted 1 week ago by [email protected] to c/[email protected]
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[-] [email protected] 128 points 1 week ago

A pineapple can have any subnet it wants. Also I have multiple subnets that start 172.16.xx.xx

[-] [email protected] 44 points 1 week ago

you must be leet haxor

[-] [email protected] 108 points 1 week ago

172.16.0.0/12 is a valid prefix for private networks. In fact, you get more hosts than 192.168.0.0/16, but less than 10.0.0.0/8.

https://en.wikipedia.org/wiki/Reserved_IP_addresses

[-] [email protected] 76 points 1 week ago

Yeah, it’s not that it’s not valid for private networks, it’s that 172.16.42.x is common for WiFi Pineapples

[-] [email protected] 12 points 1 week ago

Every "well ackqually" person in this thread is insufferable

[-] [email protected] 20 points 1 week ago

IDK, I find them quite sufferable and in fact I'm learning something from this thread.

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[-] [email protected] 87 points 1 week ago

Saying 172.16.0.0/12 is usually for pentesting scummy thing is very misleading...

[-] [email protected] 69 points 1 week ago

It's not that it's on the 172.16.0.0/12 range. That's totally normal and used for all kinds of stuff.

It's that it's in 172.16.42.0/24 which is the default dhcp settings for a wifi pineapple. It's the /24 mask given on the .42 that's a little suspicious because that's not a common range for anything else.

Being assigned one of those specific 253 hosts with that subnet mask would definitely make me think twice.

[-] [email protected] 11 points 1 week ago

It's the /24 mask given on the .42 that's a little suspicious because that's not a common range for anything else.

Well now I know. I operate a ton of /24 subnets in the 172.16.0.0/12 scope. Technically I could fit them in the 192.168.0.0/16 scope, but I have lots of students connecting SoHo wifi-routers to the subnets, and this way it's pretty easy to tell, if someone put the WAN cable in a LAN port when people are getting 192.168.1.0/24 DHCP offers.

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[-] [email protected] 15 points 1 week ago
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[-] [email protected] 12 points 1 week ago

Wtf is with the "..." Explain why pls.

[-] [email protected] 23 points 1 week ago

There's nothing at all suspicious about the 172.16.0.0/12 address block. It's a standard block of IP addresses that's reserved for use on local networks, just like 10.0.0.0/8 and 192.168.0.0/16. It's not a scheme exclusively or primarily used for illicit purposes.

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[-] [email protected] 23 points 1 week ago

It's just one of many private ranges. Saying it's dangerous is like saying every websites using .xyz domain is dangerous(which makes little more sense than this, btw)

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[-] [email protected] 62 points 1 week ago

Please use a VPN anyway, as if hotel WiFi is secure lmao

[-] [email protected] 48 points 1 week ago

HTTPS solved much of the security issues of untrusted networks. As long as you're not doing banking or whatever, you should be fine without a VPN.

[-] [email protected] 43 points 1 week ago

Why would banking be an issue? I get that its a target, but I really would expect a bank to take care of their TLS.

[-] [email protected] 19 points 1 week ago

Also i would expect banks to use some sort of 2FA where you have to manually confirm any transaction on your mobile device, or enter a code generated from there into your computer.

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[-] [email protected] 19 points 1 week ago

It should be fine as long you don't click through any SSL errors. And something like a bank should have HSTS enabled, meaning your browser will refuse to load the site if there's an SSL error.

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[-] [email protected] 54 points 1 week ago

Public WiFi is just PvP enabled

[-] [email protected] 13 points 1 week ago

[x] Client isolation on

This is now a safe zone

[-] [email protected] 51 points 1 week ago

The only part of this I didn't immediately realize is the wifi pineapples default IP range.

From now on, I'm going to set that as my clients default public IP range to troll anyone who knows.

[-] [email protected] 47 points 1 week ago

really start to worry when it’s 169.254.0.x

[-] [email protected] 9 points 1 week ago* (last edited 1 week ago)

That just means the ~~DNS~~DHCP is disabled.

Edit: words

[-] [email protected] 23 points 1 week ago
  • “The hotel’s free WiFi is really fast”

  • “the DNS is disabled”

[-] [email protected] 23 points 1 week ago

That is not what that means, it means there's no dhcp on that network segment.

[-] [email protected] 17 points 1 week ago

In my defense, whenever there's a networking issue, it's always DNS related.

[-] [email protected] 44 points 1 week ago

The three stages of grief:

  1. It can’t be DNS
  2. There’s no way it could be DNS
  3. It was DNS
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[-] [email protected] 46 points 1 week ago

*connects to pineapple

*sets subnet to 10.0.0.0/16 so I don't have to type a yee yee ass class B/C address everytime I wanna do something with an address

Or

*connects to pineapple

*Sets subnet to same as target network so paranoid user doesn't realize he connected to evil twin

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[-] [email protected] 37 points 1 week ago

thank you lain

also omw to set up my dhcpv4 server to use that network whenever I create a hotspot

[-] [email protected] 35 points 1 week ago

So I guess I must be a leet haxor because of all the businesses I configured for the 172.x space because 192.168.x space was too small and 10.x space was way the hell too big.

[-] [email protected] 9 points 1 week ago

wdym too big? That's what subnetting is for.

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[-] [email protected] 34 points 1 week ago

Thank you, Lain.

[-] [email protected] 30 points 1 week ago

Does this matter if the traffic is encrypted, such as an https website instead of http? Like, really how often is internet traffic unencrypted?

[-] [email protected] 20 points 1 week ago

Yes, back when I was playing around with my WiFi pineapple there were a wide variety of tricks to break SSL authentication without it being obvious to users. Easiest was to terminate the SSL connection on the pineapple and re-encrypt it with a new SSL cert from there to the users browser, so to the user it looked like everything was secure but in reality their traffic was only encrypted from them to the pineapple, then decrypted, sniffed and re-encrypted to pass along to the target websites with normal SSL.

Man in the middle attacks really do give the attacker tons of options

[-] [email protected] 17 points 1 week ago

That kind of ssl interception would normally be quite visible without your client device having the pineapples cert in your devices trust store, or am I wrong?

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[-] [email protected] 19 points 1 week ago

Not often. For web browsing - and the majority of apps - your session is encrypted and certified. Breaking SSL is possible but you'll know about it due to the lack of certs.

[-] [email protected] 29 points 1 week ago

Thank you lain.

[-] [email protected] 24 points 1 week ago

Thank you Lain.

[-] [email protected] 23 points 1 week ago

Thank you, Lain

[-] [email protected] 22 points 1 week ago

Thanks Lain.

[-] [email protected] 20 points 1 week ago

A lot of the comments here are saying that a pineapple can configure their subnet to use 10.x.x.x or 192.168.x.x. Is there any other way to determine if an access point is compromised?

[-] [email protected] 58 points 1 week ago

Do some online banking. If your balance goes down more than expected, it's probably compromised.

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[-] [email protected] 19 points 1 week ago

While I've never seen a router default to the 172.16... range, to me it just means that someoe bothered to modify the settings. No wonder the network is faster.

Fear-mongering much?

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[-] [email protected] 18 points 1 week ago

Thank you lain

[-] [email protected] 17 points 1 week ago

Thank you Lain.

[-] [email protected] 14 points 1 week ago

Thank you lain.

[-] [email protected] 12 points 1 week ago

Thank you Lain.

[-] [email protected] 12 points 1 week ago

Thank you Lain!

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this post was submitted on 06 Jul 2024
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