teleren/devto huggingface dataset:
Understanding Internet Protocol Security (IPSec)
Published: 2024-05-24 15:28:17



## What is Internet Protocol Security (IPSec)?
Internet Protocol Security (IPSec) is a robust suite of protocols developed by the Internet Engineering Task Force (IETF) to ensure secure communication between two points across an IP network. IPSec is designed to provide data authentication, integrity, and confidentiality. It encrypts, decrypts, and authenticates packets, and outlines the necessary protocols for secure key exchange and key management.

---

![About Internet Protocol Security](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/75dyecsmcb6a9ou941dj.png)

---

## Components and Architecture of IPSec
IPSec operates with two main components:

**_Encapsulating Security Payload (ESP):_**

Provides data integrity, encryption, authentication, and anti-replay protection.
Ensures the confidentiality of data by encrypting the payload, which prevents unauthorized access.
Verifies the authenticity of the data source and confirms that the data has not been tampered with during transit.

**_Authentication Header (AH):_**

Ensures data integrity and authenticity but does not provide encryption.
Offers protection against replay attacks, ensuring that data packets are not resent by an unauthorized entity.
Provides authentication for the payload, confirming that the data is from a legitimate source.

## Working of IPSec
IPSec works through a series of steps to ensure secure data transmission:

**_Policy Check:_**

Hosts determine if the incoming or outgoing packets need to be processed by IPSec based on predefined security policies.

**_IKE Phase 1:_**

This initial phase establishes a secure channel between the communicating parties.
It involves two modes:
Main Mode: Offers greater security but is slower.
Aggressive Mode: Faster but less secure.
During this phase, the hosts authenticate each other and set up a secure channel for further negotiations.

**_IKE Phase 2:_**

In this phase, the hosts agree on the cryptographic algorithms and the keying material required for encrypting the data.
The establishment of a secure IPSec tunnel takes place here.

**_Data Exchange:_**

Once the secure tunnel is established, data can be securely exchanged.
The data is encrypted and authenticated to ensure confidentiality and integrity.

**_Tunnel Termination:_**

After the secure communication is completed, the IPSec tunnel is terminated, ensuring that no additional data is transmitted without proper encryption and authentication.

## Conclusion

IPSec is a critical component of network security, providing robust mechanisms to protect data integrity, confidentiality, and authenticity. By understanding its components and how it operates, organizations can better safeguard their communications across IP networks.
Halo Dev.to
Published: 2024-05-24 15:13:34

Lorem Ipsum is simply dummy text of the printing and typesetting industry. Lorem Ipsum has been the industry's standard dummy text ever since the 1500s, when an unknown printer took a galley of type and scrambled it to make a type specimen book. It has survived not only five centuries, but also the leap into electronic typesetting, remaining essentially unchanged. It was popularised in the 1960s with the release of Letraset sheets containing Lorem Ipsum passages, and more recently with desktop publishing software like Aldus PageMaker including versions of Lorem Ipsum.
Native Power: Why Java Reigns Supreme for Android App Development
Tags: app, java, mobile, native
Published: 2024-05-24 15:07:14

Looking to build a top-notch Android app? While cross-platform development seems tempting, there's a reason Java remains the king for native Android apps. Here's why:

Built for Speed:  Java apps are like race cars, engineered specifically for the Android racetrack. They leverage the Android SDK directly, resulting in smoother performance and faster load times.

Unmatched User Experience:  A laggy app is a user's worst nightmare. Java apps deliver a seamless and responsive experience, keeping your users engaged and happy.

Access the Full Arsenal:  Java grants you full access to the Android SDK's functionalities. From advanced features to intricate hardware integration, you can build feature-rich apps without limitations.

Offline Functionality:  Need your app to work even without an internet connection? Java apps excel in offline capabilities, a must-have for many functionalities.

Security That Shines:  Java prioritizes security with built-in features and a strong development community. This translates to a more secure app environment for your users.

Long-Term Play:  Java is a mature technology with a vast developer pool. This ensures your app's maintainability and future-proofs it for years to come.

Native Look and Feel:  A native app blends seamlessly with the Android ecosystem. Java apps deliver that perfect native look and feel, making them an intuitive joy to use.

Unlock True Potential:  Java empowers you to create powerful, feature-rich apps that push the boundaries of what's possible. Unleash the true potential of your Android app idea.

Ready to build a blazing-fast, feature-packed Android app?

Our team of expert Java developers is here to help! We specialize in crafting high-performance native Android apps that will take your vision to life.

Visit us today and let's discuss your project!: **fiverr.com/hypersli/develop-native-applications-with-java**
Tes 123
Published: 2024-05-24 15:06:44

Lorem Ipsum is simply dummy text of the printing and typesetting industry. Lorem Ipsum has been the industry's standard dummy text ever since the 1500s, when an unknown printer took a galley of type and scrambled it to make a type specimen book. It has survived not only five centuries, but also the leap into electronic typesetting, remaining essentially unchanged. It was popularised in the 1960s with the release of Letraset sheets containing Lorem Ipsum passages, and more recently with desktop publishing software like Aldus PageMaker including versions of Lorem Ipsum.
As vantagens de se usar o early return
Tags: programming, python, webdev
Published: 2024-05-24 15:02:50

🌟 **Aprimore a legibilidade e mantenha seu código limpo com "early return"!** 🌟

A técnica de "early return" nos permite verificar e retornar logo no início do programa, melhorando a manutenção, legibilidade e, em alguns casos, até a performance do código. 🚀

### Vantagens do "early return":

1. **Legibilidade**: Código mais fácil de ler e entender, evitando aninhamentos profundos.
2. **Redução da Complexidade**: Simplifica a lógica e facilita a manutenção.
3. **Evita Códigos Desnecessários**: Previne a execução de trechos desnecessários, melhorando a performance.

Veja a diferença com um exemplo prático:

**Sem "early return":**
```python
def check_number(n):
    if n > 0:
        result = "Positive"
    else:
        if n < 0:
            result = "Negative"
        else:
            result = "Zero"
    return result
```

**Com "early return":**
```python
def check_number(n):
    if n > 0:
        return "Positive"
    if n < 0:
        return "Negative"
    return "Zero"
```

Muito mais simples e legível! 📝

Claro, nem sempre o "early return" é a melhor opção. Avalie cada caso para encontrar a melhor solução. Tem algo a adicionar ou discordar? Vamos aprender juntos nos comentários! 💬
What is your cloud data backup strategy ?
Tags: cloud, databackup, systemdesign, clouddata
Published: 2024-05-24 14:57:14

Did any of you think about how will we respond to a situation if our entire business data got wiped out from cloud data center? 

What's our Plan B in such cases ? Are we really prepared and ready to face it ? 

Everyone has to revisit cloud backup strategy for worst case scenarios. Do you know that recently an incident happened in Google Cloud that it mistakenly wiped off an entire client's private workspace including the client's entire data backup because of a misconfiguration. Client's business data worth is ~ 125billion. 

Article : [reference](https://www.yahoo.com/tech/google-accidentally-deleted-125-billion-183502623.html)

How did they recover ? Luckily this client had backup's backup in a different cloud vendor / data center using which they came back online. It took them a week. 

If we don't have a clear data backup strategy defined, then it's crystal clear that our business is simply sitting on a bomb waiting to explode. 

![Image description](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/y21uexnt3jn3uvpvzkdt.png)

Below are my strategic thought regarding data backup. Feel free to enter yours for safe business in the comment below,

Rigorous data backup can be done based on below strategies. 
* Clear data classification of every application and its data. Ex: public, internal, classified, restricted. 
* Clear communication with users and documentation about backup strategies and direction from leadership team. 
* Optimize backup strategy based on 
   1. data retention policy, 
   2. how frequent we might access,
   3. how frequent we update or read it back, 
   4. Backup data center geographic location,
   5. Data backup storage disk type (hardware),
   6. Backup storage size
* Data-at-rest encryption plays a vital role with data security. 
* Optimize data retrieval plan based on data classification and carefully evaluate business impact when needed. 
* Real time monitoring, reports and alerts on data backup jobs. * How often are we doing the backup and how often are we deleting the backup based on retention policy ? This is a deep question.
* Thorough review and sign off on the deleted data reports by corresponding application owners.    
* Data backup cost comparison between cloud vendor vs on-prem data center will give practical ideas and ways to optimize data backup plan.
* Regular planned switch over to Disaster recovery environment data center and allow the application to run on it for few months will give practical experience to entire engineers to have a safe environment to practice what should be done during actual production failure major scenarios.
* Data backup access control plan and clear segregation of duties will safeguard from many manual errors.
peviitor.ro pe LinkedIn
Tags: peviitor, linkedin, comunity
Published: 2024-05-24 14:47:21

LinkedIn este aplicația care sprijină inițiativa găsirii unui loc de muncă. Deoarece https://peviitor.ro/ este un motor de căutare a joburilor din România, LinkedIn este aplicația favorabilă promovării proiectului peviitor.ro. Mai exact, proiectul este răspunsul la problema din piața muncii.
[Pagina LinkedIn](https://www.linkedin.com/company/79546761/admin/feed/posts/)

---

În plus, platforma LinkedIn este folosită de voluntari să își publice experiența acumulată în cadrul asociației.  

![Experiența LinkedIn](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/dqxax12tmk4u0pxuq5bs.png)

---
SPRING DRIVING SAFETY TIPS
Tags: ai
Published: 2024-05-24 14:44:07

As the days get warmer and longer, the spring weather can bring some vehicle challenges, from unpredictable weather to after-winter car maintenance. At Jaguar London, we care about your vehicle's performance and safety. Here are our Jaguar safety tips for maintaining your vehicle this spring.


![Image description](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/39gzkh9d0jh4ngt40s4b.jpeg)


**CHECK FLUID LEVELS**

Spring is a great time to check your vehicle's fluid level, including your Jaguar's engine oil, transmission fluid, brake fluid, and coolant. All of these fluids are important for your vehicle's overall performance and safety. Regularly checking and replacing your vehicle's fluids will help to prevent any mechanical failures in your Jaguar.

**INSPECT YOUR SUSPENSION SYSTEM**

The cold winter weather can be harsh on your vehicle's suspension system. Even potholes and rough road conditions can cause your suspension to compromise the integrity of your vehicle. Schedule your next service appointment at Jaguar London, and our technicians can thoroughly inspect your vehicle's suspension.


**SWAP YOUR TIRES FOR SUMMER TIRES**

Summer tires are designed for warmer weather and deliver better grip and handling on wet or dry roads. That is why changing your winter tires to summer for better handling and safety while driving in the spring is important.


**CAR DETAILING FOR A FRESH START**

Spring cleaning isn't just for your home. Treat your Jaguar to professional car detailing at Jaguar London. Our detailing services restore your vehicle's aesthetic appeal and protect its exterior and interior from the elements, ensuring it looks and feels as luxurious as the day you first drove it.


**EMBRACE SPRING WITH CONFIDENCE**

By adhering to these spring safety tips, you can ensure your Jaguar remains a reliable and exhilarating companion for all your spring adventures. Whether swapping to summer tires, undergoing a mechanical service, checking fluid levels, inspecting the suspension, or opting for car detailing, Jaguar London is here to meet all your needs with expertise and care.

**CONTACT US**

Ready to prepare your Jaguar for spring? Book your Spring service appointment at Jaguar London, your premier Jaguar dealership. Our certified technicians are equipped to provide exceptional care for your vehicle. **[Contact us](https://www.londonjaguar.ca/contactus.html)** today at Jaguar London. Your safety and satisfaction are our top priorities.


**Source- [https://www.londonjaguar.ca/spring-driving-safety-tips.html](https://www.londonjaguar.ca/spring-driving-safety-tips.html)**
Finance Budgeting App with AWS Amplify Gen2
Tags: devchallenge, awschallenge, amplify, fullstack
Published: 2024-05-24 14:39:21

*This is a submission for the [The AWS Amplify Fullstack TypeScript Challenge ](https://dev.to/challenges/awschallenge)*

## What I Built
I built an app called SpotMe that helps you manage the amount of money you're spending and saving each month compared to your income. Once you sign up and specify your monthly income and how much of that income you are trying to save each month, you'll be greeted with a dashboard where you can see metrics on spending habits and how much money you've saved to see if you're hitting your savings goal.

## Demo and Code
- You can access the app [here](https://main.d3w43xd0b6xvcz.amplifyapp.com).
- You can also take a look at the [source code](https://github.com/TRamos5/spotme-app) if you'd like to see how I've built it.

![Dashboard view of SpotMe](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/zrdzcvy0uftm0hnzyfms.png)


## Integrations
I developed the application using Next.js for the user interface. For authentication and data management, I leveraged AWS Amplify, integrating its connected components to enhance parts of the UI. Additionally, I utilized Tremor to create all the charts and graphs.

Let me know what you think!
Laravel get route name from given URL
Tags: php, laravel
Published: 2024-05-24 14:38:48

A common use case for a tabs component is to check if a routes as strings is the current route or if it exists in your app.

Laravel Route facade allows to expose the route object easily to check this:

###### Using the route name

```php
$route = route('users.index');

Route::getRoutes()->match($route);
```

###### Using a string

```php
$url = 'https://your-app.com/users';

Request::create($url)
```

Hope that the tip is useful!
Ozu, a static website deployment solution for Laravel projects, is now recruiting beta testers
Tags: laravel, webdev, product
Published: 2024-05-24 14:37:25

For my first post here (even if I'm a long time quite reader), I chose to present the project I've been working on, with others at [Code 16](https://code16.fr/en), for a while now: Ozu.

Bur first, a quick presentation: I'm involved in web development since a long time, and in Laravel and PHP specifically since 2014. I founded Code 16 where we shipped a lot of projects (websites and apps) for many clients, for which we created and still are actively maintaining a quite big open source project: [Sharp for Laravel](https://sharp.code16.fr).

Over the years we've had to turn down projects because they were too small or because they lacked the technical challenges that I think we are good at. When the hype for static websites came back, a few years ago, we tried many solutions and tools to build and deploy these projects on a static platform, but we were almost always disappointed by the workflow, or the limitations.

So we built Ozu, for our own needs, with three main goals in mind: keep our Laravel stack, handle all the deployment stuff automatically and allow our customers to manage their content. We are now trying to convert it to a product, since we think it could really benefit to others, and here's the real reason for this post: we are recruiting beta testers to gather feedback, and to be sure that it is a good way to tackle this (complex) topic.

If you want to know more, please [check our announcement post](https://code16.fr/posts/introducing-ozu-a-static-website-deployment-solution-for-laravel-projects/) and browse to [Ozu's landing page](https://ozu.code16.fr) to subscribe (100% spam free).

![Ozu](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/eza3fgwxuowo8dzbzakx.jpg)
🔬👩‍🔬 Skin Melanoma Classification: Step-by-Step Guide with 20,000+ Images 🌟💉
Tags: python, computervision, tensorflow
Published: 2024-05-24 14:28:54

Discover how to build a CNN model for skin melanoma classification using over 20,000 images of skin lesions

We'll begin by diving into data preparation, where we will organize, clean, and prepare the data form the classification model.

Next, we will walk you through the process of build and train convolutional neural network (CNN) model. We'll explain how to build the layers, and optimize the model.

Finally, we will test the model on a new fresh image and challenge our model.
 
Check out our tutorial here : https://youtu.be/RDgDVdLrmcs

Enjoy
Eran

#Python #Cnn #TensorFlow #deeplearning #neuralnetworks #imageclassification #convolutionalneuralnetworks #SkinMelanoma #melonomaclassification
How to Send i18n HTML Emails from Scripts Using React Email
Published: 2024-05-24 14:05:24


### Introduction
[React Email](https://react.email/) is a convenient tool that allows you to design HTML emails using React components. It supports styling with Tailwind and can automatically convert to Plain Text for email clients that don't support HTML emails, making it easier to manage emails. There are a few configurations required when sending emails using React Email from a script(such batch script), and I will share the idea here.

### Challenges
 - TypeScript constraints
Since we need to handle React components, errors occur in `.ts` files.

- i18n settings
If the email content is multilingual, i18n-related settings are required.

### Solutions
- Change the script extension to `.tsx`

With the [tsx](https://www.npmjs.com/package/tsx) command, it is possible to execute `.tsx` files.


```
npm exec tsx ./scripts/send-mail.tsx
```

 - i18n settings
Set up `i18next` and `react-i18next`, then wrap the React component with `I18nextProvider` to render it.

### Example Code
```
// scripts/send-mail.tsx
import path, { join } from 'path'
import { fileURLToPath } from 'url'
import i18next from 'i18next'
import Backend from 'i18next-fs-backend'
import { I18nextProvider } from 'react-i18next'
import { renderAsync } from '@react-email/components'
import EmailComponent from './EmailComponent'

const lang = 'en'
const namespaces = ['common', 'mail']
const __dirname = path.dirname(fileURLToPath(import.meta.url)) // current directory

await i18next.use(Backend).init({
ns: namespaces,
lng: lang,
backend: {
loadPath: join(__dirname, '../public/locales/{{lng}}/{{ns}}.json'), // locale file path
},
})

const t = i18next.t // usable as the t function

const { html, text } = await renderReactEmail(
<I18nextProvider i18n={i18next}>
<EmailComponent />
</I18nextProvider>
)

// Send mail using html and text

async function renderReactEmail(react: ReactElement) {
const [html, text] = await Promise.all([
renderAsync(react),
renderAsync(react, { plainText: true }),
])
return { html, text }
}

```

### Conclusion
We introduced a method for sending multilingual React emails from a script.
How to transfer forked repository which original is private in GitHub
Tags: github, git, devops, sre
Published: 2024-05-24 14:00:16

I'm Tak, Software engineer.

GitHub Transfer, Is a Very useful feature.
So you can easily transfer the repository to another account.

1. click "Settings" in GitHub repository
2. click "Transfer"
![Image description](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/lpmmjij1lazfrhb9gv9s.png)
3. Select the new owner account
![Image description](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/migvvzpsr64o9cd1bkmf.png)
4. click "I understand, transfer this repository"

It's so easy.
In addition settings, wiki, and issues can be automatically transferred.
And of course, you can transfer forked repository.

But if the original repository is private, you can not transfer the forked repository.

You read the official document.
https://docs.github.com/en/repositories/creating-and-managing-repositories/transferring-a-repository

![Image description](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/km3qnn4uybgb80781v5g.png)

Oh...how do I transfer...

Don't worry, there is a solution.
First, you detach forked repository from private original, so you transfer repository.

You use GitHub Support.
https://support.github.com/request/fork

You select "detach forked".
Next, you contact GitHub Support.

The support ticket title is "Detach Fork".
The support ticket message is

```
In the below repository, I'd like to unfork and turn it into a standalone repository.
* https:// want to detach repository url
and I never merge to this repository.
* https:// original private ripojitory url
```

8 hours later,　GitHub Support detach repository.
But there is condition, so You have administrator role in original ripository Github account.
If you don't have administrator role, original ripository Github account administrator contact GitHub Support, so detach repository.

Finally, you can transfer repository.
It's a little tough.

But this article will help you.

Thanks to read this article.