Pratique du Shadowing: Proxy vs Reverse Proxy (Real-world Examples) - Apprendre l'anglais à l'oral avec la vidéo
Création de la leçon...
1
Why is Nginet called a reverse proxy?
2
What is a proxy anyways?
3
Let's take a look.
4
Two common types of proxy are forward proxy and reverse proxy.
5
A forward proxy is a server that sits between a group of client machines and the internet.
6
When those clients make requests to websites on the internet the forward proxy acts as a middleman intercepts those requests
7
and talks to the web servers on behalf of those client machines why would anyone want to do
8
that here are a few reasons one a forward proxy protects
9
the client's online identity by using a forward proxy to connect
10
to a website the ip address of the client is hidden
11
from the server only the ip address of the proxy is visible, it would be harder to trace back to the client.
12
Two, a forward proxy can be used to bypass browsing restrictions.
13
Some institutions like governments, schools, and big businesses use firewalls to restrict access to the internet.
14
By connecting to a forward proxy outside the firewalls, the client machine can potentially get around these restrictions.
15
It does not always work because the firewalls themselves could block the connections to the proxy.
16
3. A forward proxy can be used to block access to certain content.
17
It is not uncommon for schools
18
and businesses to configure the networks to connect all clients to the web through the proxy
19
and apply filtering rules to disallow sites like social networks.
20
It is worth noting that a forward proxy normally requires a client to configure its application to point to it.
21
For large institutions, they usually apply a technique called transparent proxies to streamline the process.
22
A transparent proxy works with layer 4 switches to redirect certain types of traffic to the proxy automatically.
23
There is no need to configure the client machines to use it.
24
It is difficult to bypass a transparent proxy when the client is on the institution's network.
25
In summary, a forward proxy sits between the client and the internet and acts on behalf of the client.
26
Now let's take a look at the reverse proxy.
27
A reverse proxy sits between the internet and the web servers.
28
It intercepts the requests from the clients and talks to the web server on behalf of the clients.
29
Why would a website use a reverse proxy?
30
Here are a few good reasons.
31
One, a reverse proxy could be used to protect a website.
32
The website's IP addresses are hidden behind the reverse proxy and are not revealed to the clients.
33
This makes it much harder to target a DDoS attack against a website.
34
Second, a reverse proxy is used for load balancing.
35
A popular website handling millions of users every day is unlikely to be able to handle the traffic with a single server.
36
A reverse proxy can balance a large amount of incoming requests
37
by distributing the traffic to a large pool of web servers and effectively preventing any single one of them from becoming overloaded.
38
Note that this assumes that the reverse proxy can handle the incoming traffic.
39
Services like Kyle Flare put reverse proxy servers in hundreds of locations all around the world.
40
This puts the reverse proxy close to the users and at the same time provides a large amount of processing capacity.
41
Third, a reverse proxy caches static content.
42
A piece of content could be cached on the reverse proxy for a period of time.
43
If the same piece of content is requested again from the reverse proxy, the locally cached version could be quickly returned.
44
Fourth, a reverse proxy can handle SSL encryption.
45
SSL handshake is computationally expensive.
46
A reverse proxy can free up the origin servers from those expensive operations.
47
Instead of handling SSL for all clients, a website only needs to handle SSL handshake from a small number of reverse proxies.
48
Reverse proxies are everywhere.
49
For a modern website, it is not uncommon to have many layers of reverse proxies.
50
The first layer could be an edge service like Cloudflare.
51
The reverse proxies are deployed to hundreds of locations worldwide close to the users.
52
The second layer could be an API gateway or load balancer at the hosting provider.
53
Many cloud providers combine these two layers into a single ingress service.
54
The user would enter the cloud network at the edge close to the user.
55
And from the edge, the reverse proxy connects over a fast fiber network to the load balancer, where the request is evenly distributed over a cluster of web servers.
56
If you like our videos, you may like our weekly system design newsletter as well.
57
It covers topics and trends in large -scale system designs, trusted by 150 ,000 readers.
58
Subscribe at blog .bitebygo .com.
📺 Même chaîne
C11
The Secret Sauce Behind NoSQL: LSM Tree
Business EnglishUniversity StudentsWorking Adults
C13
System Design Was HARD - Until You Knew the Trade-Offs
Business EnglishUniversity StudentsWorking Adults
C17
8 Most Important System Design Concepts You Should Know
Business EnglishUniversity StudentsWorking Adults
C13
Everything You Need to Know About DNS: Crash Course System Design #4
Business EnglishUniversity StudentsWorking Adults
C12
CAP Theorem Simplified
Business EnglishUniversity StudentsWorking Adults
C12
What Is REST API? Examples And How To Use It: Crash Course System Design #3
Business EnglishUniversity StudentsWorking Adults
C12
System Design: Why is Kafka Popular?
Business EnglishUniversity StudentsWorking Adults
C12
What is API Gateway?
Business EnglishUniversity StudentsWorking Adults
C11
System Design: Why is Kafka fast?
Business EnglishUniversity StudentsWorking Adults
C12
10+ Key Memory & Storage Systems: Crash Course System Design #5
University StudentsWorking Adults
C24
What Is Redis Really About? Why Is It So Popular?
Business EnglishUniversity StudentsWorking Adults
C13
What Are Microservices Really All About? (And When Not To Use It)
Business EnglishUniversity StudentsWorking Adults
C148
Kubernetes Explained in 6 Minutes | k8s Architecture
Business EnglishUniversity StudentsWorking Adults
C13
How Does a URL Shortener Work?
Business EnglishInterview EnglishUniversity Students
B2How Git Works: Explained in 4 Minutes
Business EnglishUniversity StudentsWorking Adults
✨ Vidéo recommandée
C13
202 phrases
Proxy vs Reverse Proxy Server Explained
Business EnglishUniversity StudentsWorking Adults
C15
107 phrases
What is NLP? Neuro Linguistic Programming
Business EnglishUniversity StudentsWorking Adults
C1101 phrases
BGP Overview
Business EnglishUniversity StudentsWorking Adults
C130 phrases
7 Phases of Penetration Testing Explained | Think your system is safe? #cybersecurity #pentesting
Business EnglishUniversity StudentsWorking Adults
C11
7 phrases
Diodes Explained - The basics how diodes work working principle pn junction
Business EnglishUniversity StudentsWorking Adults
C12
147 phrases
NGINX Explained - What is Nginx
Business EnglishUniversity StudentsWorking Adults
C11
99 phrases
OECD Transfer Pricing Guidelines 2022 - Chapter 1 - The Arm's Length Principle
Business EnglishUniversity StudentsWorking Adults
C11
54 phrases
What is a server? Types of Servers? Virtual server vs Physical server 🖥️🌐
Business EnglishUniversity StudentsWorking Adults
C11
49 phrases
Why Do You Need BOTH a MAC and IP Address?
Business EnglishUniversity StudentsWorking Adults
C11
26 phrases
ngày 26 tháng 5, 2026
Business EnglishDaily ConversationUniversity Students
C11
284 phrases
How to Become Your Own ISP
Business EnglishUniversity StudentsWorking Adults
C11
159 phrases
Top 5 AI Gateway Use Cases | Solo.io
Business EnglishUniversity StudentsWorking Adults
Vocabulaire et conseils d’expression pour cette leçon
Cette leçon d’expression orale s’appuie sur la vidéo « Proxy vs Reverse Proxy ». Les mots qui reviennent le plus souvent : proxy, reverse, client, server, forward. Cette vidéo contient 58 phrases et 786 mots à répéter en shadowing. La partie parlée dure 5:06. Le locuteur parle à un rythme naturel d’environ 154 mots par minute, proche d’une conversation courante. Seuls 68 % des mots font partie des 3 000 mots les plus courants en anglais, le vocabulaire est donc exigeant.
Vocabulaire clé de cette vidéo
15 mots de la vidéo à retenir, avec leur prononciation et leur sens :
| Mot | Prononciation | Sens |
|---|---|---|
| proxy nom | /ˈpɹɑk.si/ | fondé de pouvoir, mandataire |
| reverse nom | /ɹɪˈvɝs/ | contraire |
| server nom | /ˈsɝvɚ/ | serveur |
| layer nom | /ˈleɪ̯ɚ/ | couche |
| connect verbe | /kəˈnɛkt/ | accoupler, connecter |
| transparent adjectif | /tɹænsˈpæɹənt/ | transparent |
| cache nom | /kæʃ/ | cache, mémoire cache |
| cloud nom | /ˈklaʊ̯d/ | nuage |
| institution nom | /ˌɪn.stɪˈtʃuː.ʃən/ | institution |
| provider nom | /pɹəˈvaɪ.də(ɹ)/ | fournisseur, fournisseuse |
| incoming adjectif | /ˈɪnˌkʌmɪŋ/ | entrant |
| distribute verbe | /dɪˈstɹɪbjuːt/ | distribuer |
| bypass nom | /ˈbaɪpæs/ | contournement, déviation |
| restriction nom | /ɹɪˈstɹɪkʃən/ | restriction |
| intercept verbe | /ɪntɚˈsɛpt/ | intercepter |
Prononciation à surveiller
- Les sons « sh » et « zh »: cache /kæʃ/, institution /ˌɪn.stɪˈtʃuː.ʃən/, restriction /ɹɪˈstɹɪkʃən/, potentially /pəˈtɛnʃ(ə)li/, encryption /ɪnˈkɹɪpʃən/
- Mots longs — placez bien l’accent: institution /ˌɪn.stɪˈtʃuː.ʃən/, potentially /pəˈtɛnʃ(ə)li/, computationally /ˌkɑmpjʊˈteɪʃənəli/
Les sons difficiles pour les francophones :
- /h/ — il se souffle, il n’est pas muet: behalf /bɪˈhæf/, handshake /ˈhæn(d)ˌʃeɪk/
- /r/ anglais — langue recourbée, sans frotter la gorge: proxy /ˈpɹɑk.si/, reverse /ɹɪˈvɝs/, transparent /tɹænsˈpæɹənt/, provider /pɹəˈvaɪ.də(ɹ)/, distribute /dɪˈstɹɪbjuːt/
Comment s’entraîner avec cette vidéo
- Écoutez la vidéo en entier une fois sans parler et notez les mots que vous ne connaissez pas.
- Commencez à la vitesse 0,75×, répétez phrase par phrase, puis revenez à la vitesse normale quand cela devient facile.
- Enregistrez-vous et comparez avec l’original, en faisant attention à des mots comme proxy, reverse, server.
Qu'est-ce que la technique du Shadowing ?
Le Shadowing est une technique d'apprentissage des langues fondée sur la science, développée à l'origine pour la formation des interprètes professionnels. Le principe est simple mais puissant : vous écoutez de l'anglais natif et le répétez immédiatement à voix haute — comme une ombre suivant le locuteur avec un décalage de 1 à 2 secondes. Les recherches montrent une amélioration significative de la précision de la prononciation, de l'intonation, du rythme, des liaisons, de la compréhension orale et de la fluidité.