Most voted "ssl" questions
SSL is a cryptographic protocol that provides Internet communication security for services such as email (SMTP), page browsing (HTTPS), and other types of data transfer.
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45
votes3
answers10406
viewsHow does HTTPS (SSL) work?
Cryptography is something fundamental in web, because it provides us with privacy and security. It’s even possible that this is standard at HTTP 2. My question is: How does encryption via HTTP work?…
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29
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answers880
viewsWhat are the security impacts of a site that has an invalid certificate?
Many Brazilian government websites often do not have valid safety certificates. Examples: https://www.ibama.gov.br/ (expired) https://www.ibge.gov.br/ (auto-signed, invalid URL)…
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20
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answer10051
viewsDifference between TLS and SSL protocols
I’m implementing a class for sending emails on Android. And I’m implementing so that I can support most email services. Ex: Gmail, Live, Yahoo, And emails from your own domain (Ex:…
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16
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answer669
viewsFree SSL certificates Let’s Encrypt has the same reliability as paid?
Encryption TLS is the one used by lets encrypt and uses the protocol acme that makes the file exchange between server - client, I realize that when using https websites get a small delay I have…
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15
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answers500
viewsDoes data received from HTTPS come encrypted?
If I install certificate SSL and use HTTPS on my website, for example, I run a form POST, form data arrives encrypted to the server? If yes, how to decrypt using PHP?.…
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14
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answers419
viewsWhat are private and public Keys?
After I got caught and broke my head to install ssl certificates in Apache, some questions arose in my head regarding some nomenclatures that were appearing according to the searches I was doing to…
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13
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answers1520
viewsWhat are the benefits of using HTTPS?
Where I work, people always comment that they have to put HTTPS in the systems to make it safer. I’d like to know: On what the SSL makes a website safer? What are the types of attacks they avoid? In…
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13
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answer153
viewsWill HTTP/2 still need a security certificate or is it already encrypted by default?
It’s a layman’s question, but I’d like some information on the subject... At HTTP we have the possibility to use a security certificate type SSL to ensure the encryption of the data that circulates…
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12
votes1
answer281
viewsCakephp actions not found in Wampserver Vhost
I am trying to make my administrator actions SSL-protected, including the login action. However, whenever I try to access one of these actions, I always get error 404. For example, when trying to…
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12
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answers423
viewsHow to choose a digital certificate? What to take into account?
I’m working in a virtual store, and I need to know which is the best certificate Custo x Benefício, need to indicate a certificate to the client, but this is the first time I work with a.…
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9
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answer589
viewsSSL socket dying on client and no errors on server
I have a problem with connections with Sockets ssl in python When performing a stress test on the SMTP daemon I am writing the client some sending threads die with "Connection reset by peer" ,…
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9
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answer2436
viewsWhat is the correct order of the ICP-Brazil certificate chain so that the certificate of an e-CPF and e-CNPJ is requested via TLS Handshake?
To authenticate a user using the digital certificate, and to obtain this certificate in the backend it is necessary to enable the "SSL/TSL Handshake" option on the web server with the option to…
authentication ssl certified digital-signature brazilasked 7 years, 5 months ago LeonanCarvalho 3,527 -
8
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answers852
viewsWeb Security api: SSL?
I wonder if you have how to restrict requests to a web api specifically for a machine. My web api will be hosted on computer A. My client (at first only one) will stay on the computer B. Different…
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8
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answer1138
viewsWhat are the existing layers in an HTTP/HTTPS request?
I gave a special attention this morning to read some questions and answers here on the site that speak specifically about https/ssl. Like for example these: Data received from HTTPS comes encrypted?…
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8
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answers1355
viewsWhat is SSL Pinning?
I was recently watching a video that briefly mentioned the term "SSL Pinning" to describe a measure (understood by me as security) to establish a more secure and probably encrypted communication…
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7
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answers686
viewsHow to make webscrapping of an https using rvest?
I would like to shave a page that is in https using the package rvest. However, it is a website with problems in the security certificate. In such cases, you need to turn off the SSL verification --…
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7
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answer154
viewsHow is the process of installing the letsencrypt.org certificate on Linux on Apache servers?
I really liked the idea of using the certificate from letsencrypt.org. I found several tutorials on the internet, including that in Digital Ocean. All the steps worked correctly, but since I don’t…
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6
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answer1006
viewsPOST and GET on SSL
On a site, protected with SSL, are POST and GET also encrypted? The fact that GET is part of the address, even so it is encrypted?
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6
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answers496
viewsWhat is the technical difference between SSL and EV SSL certificates?
I am in the implementation phase of the Cielo API on my website. On the integration site there are two types of certificatesat that link, EV SSL, and SSL. Honestly I am dealing with certificate for…
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5
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answers1238
viewsError: Trust Anchor for Certification path not found
I have an app Android, using the library Retrofit to manipulate requests, while trying to make any request in a android 5.0 or less, I receive the following log: I/call:…
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5
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answer7857
viewsWhat is the difference between . cer, . pfx and . pvk?
I was tinkering with some files that are certified digital and security certificates, so I came up with the question: What’s the difference between a file .cer, .pfx and .pvk?…
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4
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answer824
viewsSSL Socket Java encryption
I’m having doubts about the Java SSL Socket. I saw on several sites that the connection of SSL Socket is encrypted, but none of the sites gives me information on how this works right. How do I know…
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4
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answer248
viewsChoosing encryption in SSL
How can I define exactly which encryption I will use in the routine below? I want to define for example that the encryption to be used is the AES, or DES, or 3DES... // Setup truststore KeyStore…
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4
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answers3654
viewsHow to obtain the CPF/CNPJ number of a digital certificate type e-CPF/e-CNPJ on A1 and A3 models?
I am developing an alternative method to login via certificate, without needing java or a specific language, only http and php to process backend information (but that could be manipulated by any…
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4
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answer42
viewsCan Let’s Encrypts certify Ips?
I have a local server running some applications php, and some running in virtual environment hosts, all accessing via https, but now the company wants to make the intranet via ip available for…
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4
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answer406
viewsSelf-signed Certificate Security ( Self-signed Certificate)
I am making a Java Client-Server system that will manage computers in a room, the scenario is as follows: A computer, the server, waits for connections, when an action is made ( Block Screen ) this…
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4
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answer555
viewsIs there a way to create a valid certificate for Apache localhost?
Look at my local development I have made use of https://localhost, created the certificate by apache openssl, works beauty. As it is not a certificate that is in an external source the browser says…
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3
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answer2578
viewsHow to request client IIS 7.5 ssl certificate
How to request the client’s SSL certificate in an ASP.NET MVC 5 application? I enabled SSL on my site using IIS 7.5 but it tries to authenticate the user using the customer certificate but I don’t…
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3
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answers1135
viewsRestsharp using ssl certificate
Need to use certificate to connect to a server https with restsharp. I’m using this code: var client = new RestClient(url); client.ClientCertificates = new X509CertificateCollection();…
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3
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answers670
viewsHow to simulate https at http://localhost?
How can I simulate https in Xampp so that it returns me the url showing if everything is ok or there are security holes in the scripts used?
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3
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answers72
viewsWhy are non-https origins considered unsafe by browsers?
I asked a question now asking about a feature that has become obsolete in a particular browser, why is it not a source with ssl. I fully understand that the https improves the security of the site,…
sslasked 8 years, 11 months ago Wallace Maxters 102,340 -
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answer85
viewsClosing requests
I currently make several HTTP/HTTPS requests to different websites using the classes HttpWebRequest and HttpWebResponse using framework .NET 4.0*. We are facing a problem when there comes a time we…
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3
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answers4716
viewsHow to force HTTP access (Unsafe)
When accessing https://domain.com or https://www.dominio.com, the below security error is displayed: I do not have SSL certificate and have no need at this time. When trying to force redirect to…
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3
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answer87
viewsHTTPS on Rest architecture
I have a web service written using Springboot that runs on Tomcat and a client application written in Angularjs that runs on Apache2. I would like to know how the SSL issue works for this case.…
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3
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answer137
viewsProtect the server from "false requests"
I’m having second thoughts about security. When I want to add date or receive, I make an HTTP POST or GET request to my server, which returns the JSON response. Assuming it is an application that…
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3
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answer17224
viewsPKIX path building failed: sun.security.Provider.certpath.Suncertpathbuilderexception: Unable to find Valid Certification path to requested target url
Hello, I’m trying to compile my project using the sbt, but causes an SSL error: Server access Error: sun.security.validator.ValidatorException: PKIX path building failed:…
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2
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answers762
viewsHow to Add SSL Free in Azure? Is it Possible?
In Azure: I have an Azure account where I created a new Site. To add an SSL Certificate (Https) I had to change the hosting plan from "Free" to "Basic" (in the Scale menu). Then I opened the option…
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2
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answer703
viewshttps redirect without www with apache and startssl
It’s a little complicated thing... But the problem is simple. I use the free certification from Startssl and as it is free I can create keys only for my domain and a subdomain. Turns out I replaced…
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2
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answers131
viewsKeep client logged in to http and https
I’m finishing my virtual store developed in codeigniter 3 and database mysql is working perfectly. Now I want to start the digital certificate configuration. My problem is this: when I go into the…
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2
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answer331
viewsMVC C# How to force SSL - too_many_redirects
I am trying to force SSL use of my MVC WEB application. I’ve tried with redirect on the global wing, but it goes into too_many_redirects lopping. protected void Application_BeginRequest(Object…
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2
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answers1196
viewsCurl, SSL and Security
Hello I have a little doubt about CURL and SSL. I have seen that it is unsafe to put false in CURLOPT_SSL_VERIFYPEER, because it would make CURL not check SSL, enabling data interception. But I…
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2
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answers12110
viewsCreate SSL certificate for https use on localhost
I tried some tutorials on the internet to enable https on my localhost and so far I could not do it right, it seems that something is broken, because it appears as a page not safe and the acronym…
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2
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answers458
viewsConfigure jboss to request digital customer certificate
I am making a web application using jboss EAP 6.1. As one of the requirements, the system must perform user authentication via digital certificate. For this I have properly configured jboss to run…
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2
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answers1508
viewsCan you install ssl certificate on 2 or more servers?
Good morning, I have two web servers being a linux hosted on Ocaweb, which hosts the company’s main website, and the other windows hosted on Azure, the latter being specific to Asp.net applications.…
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2
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answers4348
viewsSSL error with file_get_contents
When I try to open a url through file_get_contents, I’m having trouble when the page is https. I’m not talking about external pages, but in some libraries where the application’s own images are…
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2
votes1
answer725
viewsERR_SSL_PROTOCOL_ERROR - Socket.io and Node.js
I am running a Node.js server using Socket.io to manage connections via Socket, but I am having a problem with SSL certificates. Most users can access the Node.js server normally, but others cannot…
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2
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answer1299
viewsConfiguring Tomcat with SSL
I followed the tutorial on the site Tomcat who basically tells you to do two things: Create a . Keystore with password changeit through Keytool.exe. I saved the resultate file in C: Users Vinicius…
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2
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answers163
viewsSocket + SSL does not work PHP
Good morning, I have a system that uses a chat created by me and your communication by socket, all in php. The point is, I asked hostgator install the SSL in the domain, it has been installed and…
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2
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answer1179
viewsError 404 after configuring SSL in Apache
I have a VPS running Centos 7 and an Apache server, and I have a website running perfectly within the /var/www/html/meusite folder. But this using HTTP. I then decided to generate an SSL to run the…
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2
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answers280
viewsWhy does my AWS Elastic Balance Loader reject SSL connections?
Recently, I started to enter security, specifically SSL (HTTPS). Searching Google, I noticed that Amazon Web Services (AWS) offers free SSL certificates for EC2 Load Balancers. However, I spent a…