TxtNet-Browser
iodine
TxtNet-Browser | iodine | |
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11 | 58 | |
1,030 | 5,831 | |
- | - | |
6.8 | 5.1 | |
7 months ago | 6 months ago | |
Java | C | |
GNU General Public License v3.0 only | ISC License |
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TxtNet-Browser
- An app which lets you use the internet at 10kbyte/s
- TxtNet Browser – Browse the Web over SMS, No Wi-Fi/Mobile Data Needed
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Show HN: TxtNet Browser – Browse the Web over SMS, No Wi-Fi/Mobile Data Needed
Hello all,
This is my second year of working on a project[1] with the goal of browsing the web, on an Android smartphone, without reliance on Wi-Fi or mobile data. While this concept might seem aimless, my goal was to provide a way for people in areas with limited, expensive, or censored cellular internet access a way to view the web in a basic format. I finished work on a basic client-server model last year[2], and this year, I implemented a new pseudo-distributed peer-to-peer model that allows any TxtNet Browser user to use their own smartphone to run a background server service that communicates via the user's own primary mobile number. The main advantage to this model over last year's use of the Twilio API is the fact that with an unlimited SMS plan from a consumer carrier, you will likely end up paying significantly less than the amount you would pay for Twilio credits (averaging about ~$0.50 per website). There's a lot going on with the stateless nature of SMS, GSM-7 encoding, and Brotli compression, so please ask any questions you might have!
I've also started up a test server instance running on a +1 country code phone number, so feel free to test out the app with your own smartphone. Like mentioned in the GitHub repo, please be aware that I (necessarily) have access to every phone number and associated request that is sent. Of course, anyone can host their own server instance, and if you would like to share it, feel free to get in touch so I can add the number to the repo! Also, there are likely many bugs still lurking, so feel free to report those.
[1] https://github.com/lukeaschenbrenner/TxtNet-Browser/
[2] https://news.ycombinator.com/item?id=32905496
- TxtNet Browser - Browse the web without Wi-Fi or Mobile Data, relying only on SMS
- BLACKOUT! Was tun, wenn WhatsApp, Signal, Telegram und Threema nicht mehr funktionieren? Briar!
- Show HN: TxtNet Browser – A Web Browser That Communicates over SMS
iodine
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Show HN: This Website Is Hosted on DNS
Reminds me of using https://code.kryo.se/iodine/ ( DNS tunnel ) and a empty prepaid card...
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DNS Exfiltration Tool
Obligatory dns tunnel software for exfil. It is super noisy if you do dns querylogging, so I'd not use it for anything major, but it is a fun research tool.
https://github.com/yarrick/iodine
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Fun with DNS TXT Records
It's worth noting that you (re) invented what iodine does: https://code.kryo.se/iodine/
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WiFi without internet on a Southwest flight
(https://github.com/yarrick/iodine)
It’s slow, but it works and is a handy “last resort” tool.
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Russia starts blocking VPN at the protocol (WireGuard, OpenVPN) level
While working in an environment where VPN connections were pretty much all blocked⁰ a friend of mine had success using https://guacamole.apache.org/ to access a remote machine¹. Not quite the same as a direct VPN connection but worth a try if nothing else functions, it looks enough like normal HTTPS traffic that he got away with it.
To keep your wireguard setup more as-is, you could try https://kirill888.github.io/notes/wireguard-via-websocket/ to tunnel that via a web server. In fact https://github.com/erebe/wstunnel which that uses could be used just as well with any other UDP based VPN.
I once tinkered with https://github.com/yarrick/iodine and successfully connected to resources over the wireless on a train, bypassing its traffic capture and sign-up requirement, so that might be an option, though I think fully blocking external DNS is more common now so this is less likely to work²³.
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[0] practically only HTTP(S) permitted, not even SSH, DPI in use that detected just using SSH or OpenVPN over port 443
[1] NOTE: be careful breaching restrictions like this, you are at risk of an insta-sacking if discovered, or worse if operating in some securiry environments!
[2] and the latency when it does work is significant!
[3] and that much traffic over port 53 might get noticed by the heuristics of data exfiltration scanner, encouraging sysadmins to notice and implement a way to block it
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Show HN: File distribution over DNS: (ab)using DNS as a CDN
There's also iodine, a C program that tunnels IPv4 packets over DNS. Useful for bypassing captive portals on wifi, since DNS usually isn't restricted.
https://github.com/yarrick/iodine
Regarding cloudflare DNS over HTTPS: It could be that it tries to server data encoded as JSON, which is impossible in JSON. Some control characters and bytes 128-255 cannot be represented as JSON strings.
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Show HN: Use DNS TXT to share information
A regular proxy on port 53 might work? Is it necessary to actually use DNS?
Otherwise there's https://github.com/yarrick/iodine
- Anything can be a message queue if you use it wrongly enough
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help with choosing a VPN to host (I'll explain)
Well, you're really exhausting your options here (and possibly your IT department's patience). Iodine would still be an option, it creates a tunnel through DNS traffic. Nearly impossible to block/filter out but you shouldn't expect a lot of bandwidth. Try it out! Although if you're only going to use low-bandwidth applications through the tunnel anyway you might as well use your own mobile data plan instead of your school's WLAN.
- DNS blacklisting in enterprise
What are some alternatives?
dns66 - DNS-based Host Blocker (and lightweight ad blocker) for Android
dnscat2
smsferret - SMS to DuckDuckGo search bridge
miniProxy
tomorrowsms - Use Tomorrow.io as a weather SMS service
PHP-Proxy - Proxy Application built on php-proxy library ready to be installed on your server
GoodbyeDPI - GoodbyeDPI — Deep Packet Inspection circumvention utility (for Windows)
Nginx Proxy Manager - Docker container for managing Nginx proxy hosts with a simple, powerful interface
specs - Awala Protocol Suite Specifications
inlets - Get public TCP LoadBalancers for local Kubernetes clusters
Swiperproxy - A Python-based HTTP/HTTPS-proxy.
sish - HTTP(S)/WS(S)/TCP Tunnels to localhost using only SSH.