Programming

21120 readers

378 users here now

Welcome to the main community in programming.dev! Feel free to post anything relating to programming here!

Cross posting is strongly encouraged in the instance. If you feel your post or another person's post makes sense in another community cross post into it.

Hope you enjoy the instance!

Rules

Follow the programming.dev instance rules
Keep content related to programming in some way
If you're posting long videos try to add in some form of tldr for those who don't want to watch videos

Wormhole

Follow the wormhole through a path of communities !webdev@programming.dev

founded 2 years ago

MODERATORS

snowe@programming.dev

Ategon@programming.dev

MaungaHikoi@lemmy.nz

UlrikHD@programming.dev

How does https prevent man in the middle? (lemmy.world)

submitted 2 years ago by bonus_crab@lemmy.world to c/programming@programming.dev

2 comments fedilink hide all child comments

Say Alice wants to open up an HTTPS connection to Bob through a proxy named Earl.

What prevents Earl from reading alices request, opening a connection pretending to be bob, and then opening a https connection with bob pretending to be Alice , and snooping on the traffic as it passes through ?

top 2 comments

sorted by: hot top controversial new old

[–] Nomad 4 points 2 years ago

This is a good question, I dont know who would downvote that.

ELI5: Alice and bob have an aunt that knows them both and has an unfakeable voice recognition service that allows both to verify who they really speak to.

[–] Sigmatics@lemmy.ca 3 points 2 years ago* (last edited 2 years ago)

The security of HTTPs relies on public key certificates.

I recommend reading up on it here: https://en.m.wikipedia.org/wiki/HTTPS#Overview

Especially the part after this segment:

Web browsers know how to trust HTTPS websites based on certificate authorities that come pre-installed in their software.