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How Tiles Works

https://neurons.pub/how-tiles-works
1•_feynon•4m ago•0 comments

Minecraft Kowloon Walled City [video]

https://www.youtube.com/watch?v=IWZQB9zDD3Y
1•marcusb•5m ago•0 comments

Fantastic Pretraining Optimizers and Where to Find Them

https://arxiviq.substack.com/p/fantastic-pretraining-optimizers
1•che_shr_cat•6m ago•0 comments

Aperiodic Tilings V: The Refinable Frontier

https://www.chiark.greenend.org.uk/~sgtatham/quasiblog/aperiodic-refine/
1•signa11•6m ago•0 comments

Seven Hours, Zero Internet, and Local AI Coding at 40k Feet

https://betweentheprompts.com/40000-feet/
1•scastiel•8m ago•1 comments

Brief AI-generated overview of everything posted on Hacker News

https://hackersqueeze.com/
1•pavel_tri•9m ago•0 comments

Which celebrities are not on social media?

1•ismailsevik•12m ago•0 comments

RIP Nilesh Patel a.k.a. Nilz at the Exchange (2011)

https://awkmo.co/rip-nilesh-patel-aka-nilz-at-exchange/
2•gregsadetsky•12m ago•0 comments

Tencent Open Sourced a 3D World Model

https://github.com/Tencent-Hunyuan/HunyuanWorld-Voyager
1•mingtianzhang•12m ago•1 comments

Optical Generative Models

https://www.nature.com/articles/s41586-025-09446-5
1•lnyan•16m ago•0 comments

AI Video Generator

1•LunaBloomAI•16m ago•0 comments

Deploy Hugo static site to Hetzner

https://pliutau.com/deploy-hugo-to-hetzner-vps/
1•der_gopher•16m ago•0 comments

Nigerian foodtech Chowdeck (YC S22) plans to succeed where Jumia Food failed

https://afridigest.com/chowdeck-plans-succeed-jumia-food-failed/
2•ycafrica•18m ago•0 comments

Show HN: Fst – Lightweight C utility for detailed directory statistics LGPL 3.0

2•Forgret•19m ago•0 comments

In a Rare Sign of Protest, a Chinese Activist Challenges the CCP

https://www.nytimes.com/video/world/asia/100000010373967/china-chongqing-protest.html
1•ca98am79•21m ago•0 comments

Ask HN: Why doesn't Firefox capitalize on picture-in-picture mode?

1•ravshan•23m ago•2 comments

Handmaid's Tale Banned in Edmonton (Alberta, Canada) Schools

https://margaretatwood.substack.com/p/handmaids-tale-banned-in-edmonton
1•6581•25m ago•0 comments

The Depression of 2026 [2012]

https://www.progress.org/articles/the-depression-of-2026
1•FergusArgyll•26m ago•1 comments

El Capitan Revealing Hidden Worlds in Previously Unattainable High-Fidelity

https://www.hpcwire.com/2025/08/28/el-capitan-revealing-hidden-worlds-in-previously-unattainable-...
1•rbanffy•29m ago•0 comments

Energy Dashboard (UK)

https://www.energydashboard.co.uk/map
2•zeristor•30m ago•0 comments

Reconfiguring Cygnus Cargo Spacecraft into Mars Transit and Surface Habitat

https://arc.aiaa.org/doi/pdf/10.2514/6.2023-71065?download=tru
1•rbanffy•30m ago•0 comments

Microsoft VibeVoice: A Frontier Open-Source Text-to-Speech Model

https://microsoft.github.io/VibeVoice/
2•lastdong•35m ago•0 comments

Custom vs. Popular Tools in Bug Bounty / Ethical Hacking

https://cysectools.com/tools/
1•CysecTools•36m ago•1 comments

Brave Pink Hero Green – Pink Green Generator

https://bravepinkherogreen.com
1•wplacetool•41m ago•0 comments

Ask HN: How do you manage multiple MCP servers in Claude Code?

2•d_sc•43m ago•2 comments

AI Orchestration Market Witnesses Surge in Use Across Healthcare and BFSI

1•nikitappawar•44m ago•0 comments

There is a hidden simplicity behind how people move

https://www.dtu.dk/english/newsarchive/2025/09/there-is-a-hidden-simplicity-behind-how-people-move
5•lleee•45m ago•0 comments

OnlySEO [Showhn]

https://onlyseo.space/tools
1•adityamallah•45m ago•0 comments

Is the Bubble Bursting?

https://www.honest-broker.com/p/is-the-bubble-bursting
5•slow_typist•45m ago•1 comments

Send your YC application to 32 accelerators

https://www.acceleratorfiller.xyz
1•necarcu•48m ago•1 comments
Open in hackernews

Finding thousands of exposed Ollama instances using Shodan

https://blogs.cisco.com/security/detecting-exposed-llm-servers-shodan-case-study-on-ollama
36•rldjbpin•3h ago

Comments

ekianjo•1h ago
Ollama has no auth mechanism by default... You have to wonder why they never focused on that
muldvarp•1h ago
Should have asked an LLM to write one.
cedws•1h ago
I don’t think it was intended for production workloads.
47282847•54m ago
Separation of concerns?

If you deploy a power plug outside your house, is it the fault of the power plug designer if people steal your power?

Put it behind a webserver with basic auth or whatever you fancy, done.

ekianjo•43m ago
Bad analogies are bad analogies. ollama is a server system, it should expect to connect with more than one client and they know very well by now that this also means networked clients. If you create a server client protocol, implementing security is your job.
phito•37m ago
Any decent router is going to block connections from internet to your local network by default. For ollama to be accessible from the outside, they had to allow it explicitly. There's no way to blame ollama for this.
graemep•26m ago
Lots of servers do not, Redis for instance does not have auth by default, and IIRC did not have auth at all for a long time.
deadbabe•1h ago
The stakes aren’t that high yet for Ollama to warrant cumbersome auth mechanisms.
jychang•55m ago
Yeah, I don't think most people who even run ollama would care. "Oh no, someone found my exposed instance, which means my computer in my bedroom is burning electricity for the past few hours. Oh well, I lost a few pennies in electricity." Shuts down Ollama on the computer.

Seriously, this is extremely mild as far as issues go. There's basically no incentive to fix this problem, because I bet even the people who lost a few pennies of electricity would still prefer the convenience of ollama not having auth.

Plus, that's the worst case scenario, in real life even if some black hat found an exposed ollama service, they have no interest in generating tokens for <insert random LLM here at 4 bit quant> at a slow speed of <50tok/sec.

ekianjo•41m ago
That is assuming you cannot exploit the server to get access to the machine...
42lux•39m ago
Is that agency over yourself called vibe living?
dns_snek•37m ago
If you think that's the worst case scenario you're in no position to be making security-related decisions. That line of thinking hinges on a very dangerous assumption that Ollama doesn't have any critical security vulnerabilities [1].

Don't expose services to the public internet unless they have been battle hardened to be exposed to the public internet, e.g. Nginx as an authenticating reverse proxy.

[1] https://github.com/advisories/GHSA-vq2g-prvr-rgr4

reilly3000•38m ago
If any MCP servers are running, anyone with access to query the chat endpoint can use them. That could include file system access, GitHub tokens and more.
jangxx•30m ago
ollama can't connect to MCP servers, it can merely run models which output instructions back to a connected system to connect to an MCP server (e.g mcphost using ollama to run a prompt and then itself connecting to an MCP server if the response requires it).
larodi•58m ago
I’d expect Cisco to publish an article on thousands of Cisco devices with default passwords still there in the open.

Definitely not credible to speak about ML stuff and of course - Ollama has never been production-ready in the sense iOS (Cisco’s) was.

dlachausse•28m ago
How is it Cisco’s fault that a lot of network administrators are incompetent and don’t change default passwords?
maweki•17m ago
Cisco is incredibly (in)famous for having hardcoded backdoor accounts in their products.
Havoc•58m ago
Similarly a lot of projects using gradio come with a tunnel/public proxy enabled out of the box. ie instantly publicly accessible just by running it. Behind a long unique uuid looking url which provides some measure of security by obscurity but wow was still surprised first time I saw that.

Must be a good time to be in security space with this sort of stuff plus the inevitable vibe code security carnage

alexandru_m•54m ago
Apparently, protecting the API is not planned: https://github.com/ollama/ollama/issues/849

For my own purposes I either restrict ollama's ports in the firewall, or I put some proxy in front of it that blocks access of some header with some predefined api key is not present. Kind of clunky, but it works.

alexandru_m•52m ago
Correction: ...blocks access IF some header...
thevinchi•43m ago
I can think of no reason to be surprised by this, except that Cisco is the one reporting it. That part is surprising.
pbhjpbhj•24m ago
>each identified endpoint is programmatically queried to assess its security posture, with a particular focus on authentication and authorization mechanisms.

I know it's commonplace, but is this unauthorized access in terms of the CMA (UK) or CFAA (USA)?