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In my case, I couldn't imagine configuring LittleSnitch to only allow certain hostnames from my browser. It has a "allow all traffic to 53/80/443" rule, otherwi
by cyrnel 3y ago
In my case, I couldn't imagine configuring LittleSnitch to only allow certain hostnames from my browser. It has a "allow all traffic to 53/80/443" rule, otherwise most websites would flood me with hundreds of new LittleSnitch popups.
- inferiorhuman 3y agoYou'd think so, but the way I've set it up Little Snitch throws up a dialog box when a browser makes errant requests but otherwise remains silent. Most recently this caught Firefox trying to force DNS over HTTPS despite me having disabled it when it first became generally available. I suppose leaking DNS requests to Cloudflare isn't the worst thing in the world, but it would circumvent the ad blocking I've set up locally.
- krackers 3y agoHow _do_ you have it set up? What does errant request mean in this case? A request to a domain that you haven't allowed before?
- inferiorhuman 3y agoAh so I just dug into the rules. What happened was a plugin made a DNS request to mozilla.cloudflare-dns.com. I've nothing special set up for Firefox, but basically no rules for plugin-container, so when a plugin tries to make a DNS request Little Snitch pops up an alert. Not great I suppose, but better than nothing. Generally what I'll see for Firefox itself are requests for non 80/443 ports.
- brazzledazzle 3y agoBetter cloudflare than your ISP that's already explicitly intercepting your dns queries to sell your data/profile.
- inferiorhuman 3y agoFalse dichotomy. Not only am I pretty sure Sonic isn't selling my DNS queries, I've already opted out of DNS over HTTPS. Refusing to respect the choices I've made is worse than not. Besides, unencrypted SNI means that if my ISP wanted to get the hosts I was looking at, they could.
- ZiiS 3y agoUnencrypted SNI is fairly rare now.
- brazzledazzle 3y agoYeah. I noticed even server-side software is using it less too. Kind of annoying if you use SNI inspection as part of your egress security.
- inferiorhuman 3y agoIs it? The best I could find was a bit from 2021 that showed 92 of the Alexa Top 1000 site supporting ESNI. If adoption has skyrocketed since then that's great… meanwhile Firefox is showing HN negotiated a TLS 1.2 connection with no ESNI support.
- Bagged2347 3y agoCan you elaborate on why you'd want to opt-out of DNS over HTTPS? I was under the impression that it was useful and good for privacy, but I may be misinformed.
- Eisenstein 3y agoIt breaks DNS based blocking if you have it setup. Some people setup ad-blocking so that it encompasses their entire network and the way this works is that it silently drops DNS requests to ad domains on the edge of your local network.
- rovr138 3y ago