Authentication is the process of determining whether someone or something is, in fact, who or what it is declared to be.

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Login System In Batch

Here I made a program in batch that detects all files with the .user extension. Then it allows the user to pick a username by entering the number associated with that username. The code is messy, so ...
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49 views

Checking for required text fields for login

I wrote this script and it's working quite well however I think there's too much if else statements on it. How could I change them for a switch statement? ...
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2answers
54 views

Checking an authentication decision in a JSON response

I've been working on this login screen logic. It checks for the parameters in the JSON response to decide which action to follow. It works but it's kinda ugly and verbose. Any suggestions to ...
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2answers
97 views

PHP OOP Login Script

I'm new to both PHP and OOP and would like some constructive feedback on a class I made. I have a "main account" login system already setup and working; when the user logs in they're presented with a ...
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1answer
55 views

Secure logout PHP code with cookies

I have the following PHP logout script and I would like to know the loopholes present in it. How can I improve it? ...
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1answer
55 views

Login page with Selenium webdriver

I am automating a login page. I am using the page object design pattern Selenium with Java. What should I improve on in my code? ...
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48 views

Secure login and authentication in PHP

This seems to work for me, but I want to make it more secure. I want to see how far I can go without pre-built packages/bundles, so please don't suggest any. How secure is this? What are some steps I ...
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1answer
22 views

OpenVPN Authentication Script

I wrote a shell script to authenticate users connecting to an OpenVPN server. When a user attempts to connect, OpenVPN executes the script with the username and password variables sends. The script ...
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3answers
545 views

PHP-MySQL sign-in and sign-up project

I have done my first PHP-MySQL project with MySQLi connection. Please review this and inform me about security and performance issues. dbconnect.php ...
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2answers
114 views

Making a secure login in PHP

I have made this PHP login page. As far as I know, this is secure enough to avoid attacks and injection. This script: Notifies me with an e-mail when someone logs in or fails to login Only one user ...
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4answers
229 views

User registration and authentication in PHP and PDO

Please criticize as thoroughly as possible, even the smallest thing will be very useful for me. I'm trying to create a safe and easy system to change for future projects. I am aware that it should ...
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2answers
100 views

Authenticating web request to get the xml data from it

I wrote a method early of our development last year about getting the content of a webrequest where it contains an xml data that we need to process and insert to ...
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2answers
117 views

Powershell cmdlet authenticating to Aerohive API

After dipping my toes in PowerShell for over a year i think it is time for creating a real cmdlet. My first mission was creating a regular PS script to take in a .csv and create a wifi account using ...
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69 views

Checking authentication status by looking for a cookie

I'm an Android newbie. I have this function in my code: ...
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1answer
48 views

Elixir / Phoenix login controller, allowing multiple attempts

I have a login method in my controller. I would like to get rid of the imperative "thinking" and write something more functional. ...
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2answers
70 views

PHP Authentication Form

Drafted this up today out of the need for a very simple php based login form to protect an html page. The app is simply included the top of index.html like this: <...
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2answers
437 views

LDAP Login Script

This is my first time ever having code peer reviewed! This is just the main function I'm concerned about. Edit Apologies for the initial vagueness of my question, this is the "login" part of my ...
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1answer
84 views

Very basic PHP session handling

I’ve got my first real PHP web application up and running. It is working as expected, but being my first time, I’m sure there is plenty of room for improvement. Right now, there is one particular ...
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0answers
93 views

Spring controller for login using Facebook or email

I've got a spring controller class which handles the user logins. I've got two endpoints: /user/facebook /user/email You can ...
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1answer
100 views

Simple login page

Could anyone tell me if this code is well written and if it has bugs / vulnerabilities? class.user.php: ...
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4answers
127 views

PHP mysqli code for login form

Can you check my code if I wrote like a professional? connection page. form sign page. plan page. log out page. First I create the database and tables, then the connection file, then the form sign ...
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1answer
77 views

PHP Login/cookie authentication

I have an authetication api for an intranet site but I'm a little worried that my design of the authentication is bad and unsafe. Below is the basic part of the authetication process and I hope I can ...
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1answer
106 views

Authentication in JSF

I've decided to implement my own custom authentication and authorisation in JSF. I am using Java's BCrypt to check the users' passwords. The view side of things I can handle; I'm just implementing <...
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1answer
89 views

Am I doing cookie authentication right?

So I have to write a little social network for a case study at university. I have done some simple webapps before but nothing that required authentication, login and so on. So I wrote this little ...
3
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1answer
305 views

Logging in to Android application using Firebase

I currently have an app that uses Firebase for logging users in and I would like to know if I can make this code any better. I currently have 4 files: auth/models/User.java auth/BaseActivity....
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1answer
522 views

TCP authentication server and client

This is the first time I'm dealing with C# as I'm accustomed to Java sockets, so I do want your full review and anything you think I can accomplish better or optimize in the code will be very ...
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1answer
1k views

Login system using a persistent cookie

I want to be sure that my code below properly secures the website based on all of the information provided. Login System Overview When a user logs in, the following user info is saved to a ...
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Expressjs display specific error messages on signup

I'm using Node + Express + Mongo, my user Schema has three required fields: username email password I already took care of how the password is handled, but when it comes to username and email, here'...
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1answer
158 views

WebAPI Authentication

Do you see any security issues with this authentication approach or have any suggestions? WebAPI is REST-based. The user logs in by calling the Authentication Controller and expects a 401 if ...
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1answer
124 views

PHP login and session establishment

I would like to ask your advice on my simple code to login and registration sessions. In the User class, login function: ...
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2answers
141 views

Login page code enhancement

I am starting to learn ASP.NET, and I am designing a page for an admin to login and do some stuff. I have the username and password for the admin stored in Web.config (Is that a good practice?). ...
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1answer
73 views

Android login system

I am completely unaware of all the Android features and available libraries. I just designed a login system to practice it. I have referred to a few books and tutorials. Layout I am using relative ...
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1answer
504 views

Login UI for an Android app

This code starts a new thread for login and reacts according to the JSON result returned by the server. I think this code has too many conditionals, exception handlers, and nested functions. ...
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1answer
146 views

Secure Token for use in API calls

My team has developed an API and I've been tasked with creating an authentication layer that allows partners' applications to consume it. To that end, I've created a data store which houses an ...
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1answer
653 views

PHP secure login script

I was just wondering how secure my code looked and if I'm overlooking any serious mistakes. Any suggestions/critiques are welcome. This is my relevant login script. login.php ...
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27 views

Simple login script

This is a simple login script using Bcrypt. Is there anything wrong with this code? It works and my page loads O.K, but could this be optimized for better speeds? ...
2
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1answer
278 views

Using PHP's password_hash and password_verify for a login function

This is my first time using password_hash and password_verify in PHP. Would this be the correct usage of ...
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61 views

Authentication terminology

Below comes a Value Object to represent UserId in ASP.NET application. It implements Value Identity, so equality is defined by matching of the state calculated at ...
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46 views

Function to prevent sign-in form from being spammed

I have written a function that I want to protect from spam bots. I have used two techniques the first being filter after submit. After reading around I obtained the ...
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2answers
2k views

User registration and login program

I've recently stared learning C++ so I'm new to all of it. I've got my fourth "software" under development. Could someone have a look through and give me some constructive criticism on what should I ...
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1answer
253 views

PHP Login script getting bypassed allowing access to my admin pages

I have a site where a friendly hacker says they have accessed my admin area. I am not able to see how this is possible so any help would be greatly appreciated. I am using PDO prepared statements to ...
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2answers
100 views

“Remember me” automatic login

I've implemented a "remember me" automatic login if no session has been set, but a remember me cookie is on their computer. I'm concerned about security and I'm not the best. I'm relatively new to OOP ...
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2answers
154 views

Validating user credentials and logging into a Symfony site

I have the following code in a Symfony site that validates a user's credentials and logs them in via the Session class: ...
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1answer
168 views

Create “refresh token” action filter

I am using idenity server 3 authentication. I have to implement refresh token logic. AccessTokenLifetime is 1 hour, and after that time I want to update access token with refresh token. I want do ...
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0answers
48 views

Rbac Principal with Binding support

I've been maintaining a Rbac helper for some time now. My goal is to provide an easy way to tell the following: When does an user have a role What can a user do (...
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0answers
52 views

Ajax login response [closed]

I want to create an Ajax-Login, but I'm not sure if my solutions is generally correct. I want to do everything correct, so I need someone who checks this code and give me some improvement hints. <...
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1answer
195 views

Creating a portable encrypted credential store

There have been a few questions over on SO recently about securely storing credentials in Powershell scripts. Because ConvertFrom-SecureString uses DPAPI it makes ...
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2answers
111 views

First user login function: Security and efficency opinions

I am writing an application for work. This application will sit on a closed network but I still have to be concerned about security. There will be a maximum of three types of user for this application:...
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2answers
6k views

Login system with session using CodeIgniter

I implemented a login system, with session, using CodeIgniter. If the session doesn't exist, redirect to login page. Please review, and let me know what can be done to make it better. view (login.php)...
7
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2answers
252 views

Secure custom password hashing

My team and I have ended up creating this class, which is called directly from ASP.NET Identity as a custom password hasher. I'd like to know whether this would be "overkill"/use a lot of CPU, ...