curl -v -x 136.144.178.240:80 http://www.google.com
* Trying 136.144.178.240:80...
* Connected to 136.144.178.240 (136.144.178.240) port 80 (#0)
> GET http://www.google.com/ HTTP/1.1
> Host: www.google.com
Transparent (NOA - No anonymity), Anonymous (ANM), Highly Anonymous (HIA).
Logging and Monitoring: Proxy servers can log and monitor the traffic passing through them. This means that the administrators of the proxy server can potentially see the websites you visit, the data you send and receive, and other activities.
SSL/TLS Decryption: Some proxies, known as "transparent proxies" or "man-in-the-middle proxies," have the ability to decrypt and re-encrypt secure HTTPS traffic. This is often done by using SSL/TLS certificates that are installed on the proxy. While this can be used for legitimate purposes, it can also expose your encrypted data to the proxy server.
Content Filtering: Many organizations use proxy servers to enforce content filtering policies. This means that the proxy can analyze the content of web pages and block access to certain websites or types of content.
Caching: Proxy servers can cache frequently accessed web content to improve performance and reduce bandwidth usage. While caching itself doesn't necessarily intercept traffic, it can impact your browsing experience.
Authentication and Access Control: Proxies can require users to authenticate before they can access the internet. This authentication can also involve intercepting traffic to prompt for login credentials.
Malware Scanning: Some proxy servers are equipped with malware scanning capabilities to detect and block malicious content before it reaches the user's device.
Traffic Monitoring: ISPs have access to the data that flows through their network. They can monitor the websites you visit, the data you send and receive, and the services you use.
Data Logging: ISPs can log certain data about your online activities, including the times you connect to the internet, the IP addresses you interact with, and the amount of data you consume.
Deep Packet Inspection (DPI): Some ISPs use deep packet inspection to analyze the content of your internet traffic. This technology allows them to identify the type of content you're accessing, which can be used for various purposes including traffic shaping and enforcing policies.
Traffic Shaping: ISPs can prioritize or throttle certain types of traffic based on their policies. For example, they might throttle video streaming to manage network congestion.
Censorship and Filtering: In some regions, ISPs might be required to block access to specific websites or content. They can also implement content filtering for various reasons.
DNS Requests: ISPs handle your Domain Name System (DNS) requests, which means they know which websites you're trying to access even if the actual content is encrypted.
Security Measures: Some ISPs offer security services that can help protect users from malicious websites and content. These services might involve scanning the websites you access.
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