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Questions tagged [tls]

SSL (Secure Sockets Layer) and/or TLS (Transport Layer Security)

1289 votes
3 answers
691k views

How does SSL/TLS work?

How does SSL work? I just realised we don't actually have a definitive answer here, and it's something worth covering. I'd like to see details in terms of: A high level description of the protocol. ...
Polynomial's user avatar
  • 135k
585 votes
3 answers
526k views

What's the difference between SSL, TLS, and HTTPS?

I get confused with the terms in this area. What is SSL, TLS, and HTTPS? What are the differences between them?
jrdioko's user avatar
  • 13.2k
445 votes
9 answers
320k views

Is BASIC-Auth secure if done over HTTPS?

I'm making a REST-API and it's straight forward to do BASIC auth login. Then let HTTPS secure the connection so the password is protected when the api is used. Can this be considered secure?
Morten's user avatar
  • 4,603
420 votes
14 answers
69k views

How is it possible that people observing an HTTPS connection being established wouldn't know how to decrypt it?

I've often heard it said that if you're logging in to a website - a bank, GMail, whatever - via HTTPS, that the information you transmit is safe from snooping by 3rd parties. I've always been a little ...
Joshua Carmody's user avatar
372 votes
6 answers
343k views

What is certificate pinning?

I'm superficially familiar with SSL and what certs do. Recently I saw some discussion on cert pinning but there wasn't a definition. A DDG search didn't turn up anything useful. What is certificate ...
Son of the Wai-Pan's user avatar
310 votes
3 answers
78k views

CRIME - How to beat the BEAST successor?

With the advent of CRIME, BEAST's successor, what possible protection is available for an individual and/or system owner in order to protect themselves and their users against this new attack on TLS?
Kyle Rosendo's user avatar
  • 4,035
250 votes
4 answers
113k views

SSL3 "POODLE" Vulnerability

Canonical question regarding the recently disclosed padding oracle vulnerability in SSL v3. Other identical or significantly similar questions should be closed as a duplicate of this one. What is the ...
tylerl's user avatar
  • 83.7k
245 votes
14 answers
48k views

My college is forcing me to install their SSL certificate. How to protect my privacy?

My college administration is forcing us to install Cyberoam Firewall SSL certificate so that they can view all the encrypted traffic to "improve our security". If I don't install the certificate than ...
svetaketu's user avatar
  • 2,171
243 votes
5 answers
155k views

What is the difference between https://google.com and https://encrypted.google.com?

Is it there any difference between the encrypted Google search (at https://encrypted.google.com) and the ordinary HTTPS Google search (at https://google.com)? In terms of security what were the ...
BlueBerry - Vignesh4303's user avatar
234 votes
8 answers
211k views

What is the difference between SSL vs SSH? Which is more secure?

What is the difference between SSH and SSL? Which one is more secure, if you can compare them together? Which has more potential vulnerabilities?
Am1rr3zA's user avatar
  • 3,093
219 votes
7 answers
219k views

Does https prevent man in the middle attacks by proxy server?

There is a desktop client A connecting to website W in a https connection A --> W Somehow between A and W, there is a proxy G. A --> G --> W In this case, will G be able to get the ...
jojo's user avatar
  • 2,301
203 votes
7 answers
35k views

How do mobile carriers know video resolution over HTTPS connections?

Verizon is modifying their "unlimited" data plans. Customers in the USA can stream video at 480p -or- pay to unlock higher resolutions (both 720p and +1080p). They are not the only mobile carrier to ...
raithyn's user avatar
  • 1,843
172 votes
11 answers
129k views

Is visiting HTTPS websites on a public hotspot secure?

It's often said that HTTPS SSL/TLS connections are encrypted and said to be secure because the communication between the server and me is encrypted (also provides server authentication) so if someone ...
Calmarius's user avatar
  • 1,975
170 votes
4 answers
383k views

Difference between .pfx and .cert certificates

What is the difference between .pfx and .cert certificate files? Do we distribute .pfx or .cert for client authentication?
Xsecure123's user avatar
  • 1,823
170 votes
13 answers
107k views

https security - should password be hashed server-side or client-side?

I am building a web application which requires users to login. All communication goes through https. I am using bcrypt to hash passwords. I am facing a dilemma - I used to think it is safer to make a ...
johndodo's user avatar
  • 1,935

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