Securitate

How to set up a VPN on Android

Here’s why a VPN is so useful:

Enhanced Privacy: Using a VPN is like wearing a mask online. It hides your real IP address, making it appear as if you’re browsing from the location of the VPN server. This keeps your online activity more private and harder to track.

Encrypted Messages: Imagine scrambling your messages so only the intended recipient can understand them. That’s what encryption does! When you use a VPN, your internet traffic is encrypted, making it unreadable to anyone trying to snoop on your connection. This is especially important when using public Wi-Fi networks.

Bypassing Restrictions: Sometimes, websites or online content might be restricted based on your location. A VPN can help you access these by virtually placing you in a different location (the location of the VPN server).

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How to set up a VPN on iOS

Here’s why a VPN is so useful:

Enhanced Privacy: Using a VPN is like wearing a mask online. It hides your real IP address, making it appear as if you’re browsing from the location of the VPN server. This keeps your online activity more private and harder to track.

Encrypted Messages: Imagine scrambling your messages so only the intended recipient can understand them. That’s what encryption does! When you use a VPN, your internet traffic is encrypted, making it unreadable to anyone trying to snoop on your connection. This is especially important when using public Wi-Fi networks.

Bypassing Restrictions: Sometimes, websites or online content might be restricted based on your location. A VPN can help you access these by virtually placing you in a different location (the location of the VPN server).

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How to set up a VPN on macOS

Here’s why a VPN is so useful:

Enhanced Privacy: Using a VPN is like wearing a mask online. It hides your real IP address, making it appear as if you’re browsing from the location of the VPN server. This keeps your online activity more private and harder to track.

Encrypted Messages: Imagine scrambling your messages so only the intended recipient can understand them. That’s what encryption does! When you use a VPN, your internet traffic is encrypted, making it unreadable to anyone trying to snoop on your connection. This is especially important when using public Wi-Fi networks.

Bypassing Restrictions: Sometimes, websites or online content might be restricted based on your location. A VPN can help you access these by virtually placing you in a different location (the location of the VPN server).

[mai mult...]

How to set up a VPN on Windows 11

Ever wished you had a secret passage to navigate the internet? Well, a Virtual Private Network (VPN) is kind of like that! It creates a secure, encrypted tunnel between your device and a remote server run by a VPN provider. Think of it like a hidden pathway for your online traffic.

Here’s why a VPN is so useful:

Enhanced Privacy: Using a VPN is like wearing a mask online. It hides your real IP address, making it appear as if you’re browsing from the location of the VPN server. This keeps your online activity more private and harder to track.

Encrypted Messages: Imagine scrambling your messages so only the intended recipient can understand them. That’s what encryption does! When you use a VPN, your internet traffic is encrypted, making it unreadable to anyone trying to snoop on your connection. This is especially important when using public Wi-Fi networks.

Bypassing Restrictions: Sometimes, websites or online content might be restricted based on your location. A VPN can help you access these by virtually placing you in a different location (the location of the VPN server).

[mai mult...]

Ce este un token OAuth

OAuth este o modalitate de a reduce numărul de ori în care un client trebuie să se autentifice la un sistem, putând în același timp să furnizeze clientului date sau informații securizate.

În mod normal, acest lucru se realizează prin emiterea unei cereri inițiale către sistemul oAuth cu un anumit tip de date de autentificare, cum ar fi un nume de utilizator și o parolă (dar acestea nu trebuie să fie neapărat un nume de utilizator și o parolă), solicitând un token de la sistemul OAuth. Dacă numele de utilizator și parola sunt valide pentru sistemul OAuth, sistemul OAuth ar trebui să răspundă cu un token.

Apoi, în cererile ulterioare către sistemele care sunt configurate să utilizeze token-ul pentru autentificare și autorizare, token-ul este prezentat în locul numelui de utilizator și al parolei. Presupunând că solicitantul cere o resursă pe care tokenul o permite, sistemul de servire trebuie să furnizeze clientului resursa respectivă.

Un mod obișnuit de a face acest lucru este cu ajutorul comenzii curl (pe un sistem Linux). Aproape întotdeauna veți emite o cerere POST către sistemul OAuth cu un anumit tip de date, cum ar fi un nume de utilizator și o parolă, pentru a obține jetoanele de la sistemul OAuth.

Exemplu:

curl
–request POST
–url https://api.exemplu.ro
–data ‘{ “Username”: “adrian.ciocan”, “Password”: “aiciesteparola” }’
–header “Content-Type: application/json”

Ar trebui să fie primit ceva de genul acesta. În acest exemplu, “abc123” este token-ul de acces (cunoscut și ca token purtător), iar xyz456 este token-ul de refresh(Un token de refresh este un token special care este utilizat pentru a obține mai multe token-uri de acces. Acest lucru vă permite să aveți token-uri de acces cu durată scurtă de viață fără a fi nevoie să colectați credentialele de fiecare dată când expiră unul)

{
“access_token”:”abc123″,
“refresh_token”:”xyz456″,
“expires_in”:31536000,
“expires”:1655380828,
“token_type”:”Bearer”,
“refresh_until”:1655380828
}

Apoi se va emite o comandă ca aceasta, folosind token-ul de acces.

curl
–request GET
–header “Authorization: Bearer abc123”
–header “Accept: application/json”
–url “https://api.exemplu.ro”

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