Free versions usually have time, volume and speed limits, and also include a limited number of servers and countries.
GFW, is constantly evolving. What works today might not work tomorrow.
Most providers are constantly engaged in a battle to stay ahead of GFW blocking techniques. However, not every provider can give a 100% guarantee to bypass GFW.
WireGuard offers advantages like speed and security, its lack of built-in obfuscation and potential for server detection can make it less reliable for bypassing the GFW. If bypassing the GFW is your primary concern, other VPN protocols might be more suitable.
GFW, is constantly evolving. What works today might not work tomorrow.
Most providers are constantly engaged in a battle to stay ahead of GFW blocking techniques. However, not every provider can give a 100% guarantee to bypass GFW.
Shadowsocks is not an emerging protocol. It is actually considered a mature protocol that was developed in 2012-2017 and was no longer upgraded.
Shadowsocks, although initially effective at bypassing censorship, has inherent vulnerabilities that can be custom exploited, for example using its own encryption methods (RC4 or AES-GCM) in encryption unlike the OpenVPN protocol. These have not been thoroughly tested by security experts, raising concerns about potential weaknesses that attackers could exploit. Also, Shadowsocks lacks features like Perfect Forward Secrecy (PFS). Without PFS, even if the server's private key is compromised, past encrypted sessions can still be decrypted if an attacker later gains access to the key. This can expose sensitive information. These limitations make Shadowsocks less secure than some alternatives, especially as GFW detection methods are evolving.
CVE-2020-26147 (September 2020):A vulnerability was identified in Shadowsocks-libev before version 3.3.5, affecting the shadowsocks-manager module. This vulnerability allowed remote attackers to execute arbitrary code or cause a denial-of-service (DoS) condition by sending crafted requests to the management server.
CVE-2019-15643 (October 2019):A vulnerability was discovered in Shadowsocks-libev before version 3.3.2, affecting the s5 module. This vulnerability allowed remote attackers to execute arbitrary code or cause a denial-of-service (DoS) condition via a crafted SOCKS5 request.
CVE-2019-15642 (October 2019):Another vulnerability was found in Shadowsocks-libev before version 3.3.2, affecting the HTTP module. This vulnerability allowed remote attackers to execute arbitrary code or cause a denial-of-service (DoS) condition via a crafted HTTP request.
CVE-2019-17356 (October 2019):A vulnerability was identified in Shadowsocks-libev before version 3.3.2, affecting the shadowsocks-manager module. This vulnerability allowed remote attackers to execute arbitrary code or cause a denial-of-service (DoS) condition by sending crafted requests to the management server.
CVE-2018-20998 (December 2018):A vulnerability was discovered in Shadowsocks-libev before version 3.3.2, affecting the shadowsocks-manager module. This vulnerability allowed remote attackers to execute arbitrary code or cause a denial-of-service (DoS) condition via a crafted request to the management server.
CVE-2016-5360 (July 2016):A vulnerability was discovered in OpenConnect versions before 7.06, where the SSL certificate verification was not correctly performed. This flaw could allow a man-in-the-middle attacker to spoof SSL servers via an arbitrary valid certificate.
CVE-2018-8048 (May 2018):A security issue was found in OpenConnect versions before 8.02, where the application did not properly validate SSL certificates. An attacker could exploit this vulnerability to conduct man-in-the-middle attacks.
CVE-2019-16239 (September 2019):A vulnerability was identified in OpenConnect versions before 8.02, where the application failed to properly validate SSL certificates. An attacker could exploit this flaw to perform man-in-the-middle attacks against SSL/TLS connections established by the affected software.
CVE-2020-12823 (June 2020):A vulnerability was discovered in OpenConnect before 8.09 due to a lack of verification of the server's certificate. An attacker could exploit this vulnerability to conduct man-in-the-middle attacks by presenting a crafted certificate to the client.
CVE-2021-26255 (February 2021):A vulnerability was found in OpenConnect before 8.10. This flaw could allow a remote attacker to conduct man-in-the-middle attacks by presenting a crafted certificate during an SSL handshake.
Heartbleed (2014) :This vulnerability affected OpenSSL, a cryptography library commonly used by OpenVPN. It allowed attackers to potentially steal data from servers. However, most VPN providers addressed this by patching OpenSSL or using alternative libraries.
CVE-2016-2460 (2016) :This vulnerability could allow attackers to potentially crash a VPN server under specific circumstances. It was patched in later OpenVPN versions.
Authentication Bypass Vulnerability In October 2018 : An authentication bypass vulnerability (CVE-2018-17456) was discovered in OpenVPN Connect for Android. This vulnerability could allow an attacker to establish a VPN connection without proper authentication, potentially compromising the security of the VPN tunnel.
Denial-of-Service Vulnerability In October 2020 : A denial-of-service vulnerability (CVE-2020-15078) was discovered in OpenVPN 2.4.9 and earlier versions. This vulnerability could allow a remote attacker to cause a server crash or consume excessive resources by sending a series of specially crafted packets.
CVE-2020-11756 (May 2020):A vulnerability was discovered in WireGuard for Linux versions before 1.0.20200513. This vulnerability allowed remote attackers to crash the system or execute arbitrary code via a specially crafted UDP packet.
CVE-2020-15810 (August 2020):A vulnerability was found in the Linux kernel before 5.8.15 in the WireGuard implementation. This flaw allowed a remote attacker to crash the system or execute arbitrary code via a specially crafted UDP packet.
CVE-2020-35211 (December 2020):A security issue was discovered in the WireGuard VPN client for Windows before 0.3.1. This vulnerability allowed local attackers to bypass intended access restrictions and modify WireGuard adapter settings via a specially crafted application.
CVE-2021-3639 (May 2021):A vulnerability was discovered in the Linux kernel through 5.12.2 in the WireGuard VPN module. This flaw allowed a remote attacker to cause a denial-of-service (DoS) condition by sending a packet with incorrect IP options.
CVE-2021-33624 (June 2021):A vulnerability was found in the Linux kernel through 5.12.4 in the WireGuard VPN module. This flaw allowed a remote attacker to cause a denial-of-service (DoS) condition by sending a packet with incorrect IP options.
CVE-2021-3621 (August 2021):A security issue was discovered in WireGuard for Windows before 0.4.0. This vulnerability allowed attackers to cause a denial-of-service (DoS) condition via crafted UDP packets.
Early versions (before 2005) had flaws like weak authentication methods, making them susceptible to brute-force attacks. More recent implementations focus on addressing these issues, but proper configuration remains crucial to avoid security gaps.
CVE-2018-5389 (January 2018):A vulnerability was discovered in some implementations of IKEv1 and IKEv2. Named "IKEv1 and IKEv2 Inter-Protocol Downgrade Vulnerability," it could allow an attacker to force a downgrade to IKEv1, potentially exposing the communication to security risks associated with the older protocol.
CVE-2019-5609 (March 2019):A vulnerability was identified in some versions of the StrongSwan VPN client. Named "Weak Encryption Policy Vulnerability," it could allow an attacker to weaken the encryption used in IPsec connections, potentially exposing sensitive data to interception or manipulation.
CVE-2020-27009 (September 2020):A vulnerability was found in the Libreswan VPN software. Named "Libreswan IKEv2 Encrypted Packet Memory Corruption Vulnerability," it could allow a remote attacker to cause a denial-of-service (DoS) condition by sending specially crafted IKEv2 packets.
CVE-2020-25220 (December 2020):A vulnerability was discovered in some implementations of the Libreswan VPN software. Named "Libreswan IKEv2 DoS via a Malformed IKE_SA_INIT Message," it could allow a remote attacker to cause a denial-of-service (DoS) condition by sending a specially crafted IKE_SA_INIT message.
CVE-2021-3423 (April 2021):A vulnerability was identified in some versions of the Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software. Named "Cisco ASA IKEv2 Denial of Service Vulnerability," it could allow a remote attacker to cause a reload of the affected system or to remotely execute code.
PPTP, designed in the 90s, uses outdated encryption (MPPE) susceptible to brute-force attacks. It also lacks proper data integrity checks.
L2TP relies on tunneling While L2TP itself encrypts the tunnel, it depends on a secure inner protocol (like PPTP) for data encryption. PPTP's weaknesses compromise overall security.
Hackers have exploited vulnerabilities in both PPTP and the way they interact within PPTP-L2TP connections, raising concerns about its reliability.
Smart DNS isn't a VPN protocol and doesn't have a documented history of major vulnerabilities in the same way encryption protocols do.
Privacy concerns, not security flaws Smart DNS can raise privacy concerns if the provider logs DNS queries, potentially leaking browsing habits.
Reliance on secure underlying connection Smart DNS itself doesn't encrypt traffic, so a secure HTTPS connection is crucial to protect data from interception.
Man-in-the-Middle attacks possible Malicious actors could potentially redirect traffic if they spoof the Smart DNS server, but this is less common than with VPN vulnerabilities.
CVE-2020-35649 (December 2020):A vulnerability was discovered in V2Ray before version 4.31.2, affecting the VMess protocol. This vulnerability allowed remote attackers to bypass authentication and potentially execute arbitrary code on the server.
CVE-2020-29309 (December 2020):Another vulnerability was identified in V2Ray before version 4.32.0, affecting the Shadowsocks protocol. This vulnerability allowed remote attackers to cause a denial-of-service (DoS) condition by sending crafted data packets.
CVE-2020-28925 (November 2020):A vulnerability was found in V2Ray before version 4.31.2, affecting the VLESS protocol. This vulnerability allowed remote attackers to cause a denial-of-service (DoS) condition by sending crafted data packets.
CVE-2020-16888 (September 2020):A vulnerability was discovered in V2Ray before version 4.28.2, affecting the HTTP/2 protocol. This vulnerability allowed remote attackers to cause a denial-of-service (DoS) condition by sending crafted data packets.
CVE-2020-12684 (July 2020):A vulnerability was identified in V2Ray before version 4.27.0, affecting the HTTP/2 protocol. This vulnerability allowed remote attackers to cause a denial-of-service (DoS) condition by sending crafted data packets.
1994 - SOCKS Protocol Version 5 Specification (RFC 1928):The initial specification of the SOCKS5 protocol was published in 1994 as RFC 1928. While not a vulnerability, this marked the formal introduction of the SOCKS5 protocol and laid out its design and functionality.
1996 - SOCKS5 Authentication Vulnerabilities:n 1996, several authentication vulnerabilities were discovered in early implementations of SOCKS5. These vulnerabilities allowed attackers to bypass authentication mechanisms or exploit weaknesses in the authentication process.
2002 - SOCKS5 Buffer Overflow Vulnerabilities:Various buffer overflow vulnerabilities were identified in SOCKS5 implementations in 2002. These vulnerabilities could be exploited by remote attackers to execute arbitrary code or crash the SOCKS5 server.
2005 - SOCKS5 Denial-of-Service Vulnerabilities:In 2005, several denial-of-service (DoS) vulnerabilities were discovered in SOCKS5 implementations. These vulnerabilities could be exploited by attackers to crash or disrupt SOCKS5 servers, leading to service outages or performance degradation.
2010 - SOCKS5 Proxy Authentication Vulnerability:A vulnerability was identified in some SOCKS5 proxy implementations in 2010, allowing attackers to bypass authentication and use the proxy server without valid credentials. This vulnerability could be exploited to conduct anonymous attacks or evade network restrictions.
2018 - SOCKS5 Traffic Analysis and Manipulation:While not a specific vulnerability, SOCKS5 traffic can be susceptible to analysis and manipulation by attackers. Without additional encryption or security measures, SOCKS5 proxy traffic may be intercepted or tampered with, compromising user privacy and security.
Heartbleed (CVE-2014-0160) - April 2014:The Heartbleed vulnerability affected OpenSSL, a widely used library for implementing SSL/TLS protocols. While not specific to HTTPS proxies, Heartbleed could potentially impact any server or service using OpenSSL, including HTTPS proxy servers. This vulnerability allowed attackers to read sensitive information from the server's memory.
POODLE (CVE-2014-3566) - October 2014:The POODLE vulnerability affected SSLv3, an outdated version of the SSL/TLS protocol. Attackers could exploit this vulnerability to decrypt SSL/TLS traffic by exploiting a weakness in the SSLv3 protocol. While modern HTTPS proxies typically do not use SSLv3, this vulnerability highlighted the importance of disabling outdated and insecure protocols.
DROWN (CVE-2016-0800) - March 2016:The DROWN (Decrypting RSA with Obsolete and Weakened eNcryption) vulnerability affected servers that supported SSLv2, an obsolete and insecure version of the SSL/TLS protocol. Attackers could exploit this vulnerability to decrypt TLS sessions by leveraging weaknesses in SSLv2 implementations. Like POODLE, this vulnerability underscored the risks associated with outdated SSL/TLS protocols.
ROBOT (CVE-2017-6168) - December 2017:The ROBOT (Return Of Bleichenbacher's Oracle Threat) vulnerability affected servers that supported RSA encryption with the RSA-MD5 encryption algorithm. Attackers could exploit this vulnerability to decrypt TLS traffic by sending crafted requests and observing the server's responses. HTTPS proxies supporting insecure RSA-MD5 encryption were vulnerable to this attack.
CRIME (Compression Ratio Info-leak Made Easy) - September 2012:The CRIME vulnerability affected TLS compression implementations. Attackers could exploit this vulnerability to recover sensitive information, such as session cookies, from encrypted HTTPS traffic by manipulating compression ratios. While not specific to HTTPS proxies, CRIME demonstrated potential risks associated with TLS compression.
Realistically, it is unlikely that users will need to connect unlimited devices at once. The word "unlimited devices" is intended to cover a wide range of personal devices, not hundreds of devices at once and is mostly advertising! Each provider has a fair use policy to prevent abuse. This policy may limit excessive bandwidth consumption by a single user to ensure that everyone can enjoy a good service. For example, no one has 30 PCs that all need an active VPN at the same time, or 25 phones that all need VPN connections at the same time.
Realistically, it is unlikely that users will need to connect unlimited devices at once. The word "unlimited devices" is intended to cover a wide range of personal devices, not hundreds of devices at once and is mostly advertising! Each provider has a fair use policy to prevent abuse. This policy may limit excessive bandwidth consumption by a single user to ensure that everyone can enjoy a good service. For example, no one has 30 PCs that all need an active VPN at the same time, or 25 phones that all need VPN connections at the same time.
Realistically, it is unlikely that users will need to connect unlimited devices at once. The word "unlimited devices" is intended to cover a wide range of personal devices, not hundreds of devices at once and is mostly advertising! Each provider has a fair use policy to prevent abuse. This policy may limit excessive bandwidth consumption by a single user to ensure that everyone can enjoy a good service. For example, no one has 30 PCs that all need an active VPN at the same time, or 25 phones that all need VPN connections at the same time.
Realistically, it is unlikely that users will need to connect unlimited devices at once. The word "unlimited devices" is intended to cover a wide range of personal devices, not hundreds of devices at once and is mostly advertising! Each provider has a fair use policy to prevent abuse. This policy may limit excessive bandwidth consumption by a single user to ensure that everyone can enjoy a good service. For example, no one has 30 PCs that all need an active VPN at the same time, or 25 phones that all need VPN connections at the same time.
Realistically, it is unlikely that users will need to connect unlimited devices at once. The word "unlimited devices" is intended to cover a wide range of personal devices, not hundreds of devices at once and is mostly advertising! Each provider has a fair use policy to prevent abuse. This policy may limit excessive bandwidth consumption by a single user to ensure that everyone can enjoy a good service. For example, no one has 30 PCs that all need an active VPN at the same time, or 25 phones that all need VPN connections at the same time.
Surfeshark Smart DNS will only provide you with a US-based IP address.
All that matters and you should know
The data in the table is accurate as of February 12, 2024, and is subject to change
3 days(without credit card and register windows, android, macos, ios)
7 days(with credit card and register details android )
7 days(with credit card and register details android,macos,ios )
7 days(with credit card and register details android,ios )
7 days(with credit card and register details android,ios )
7 days (with credit card and register details details android,ios )
without credit card and register details 24 hours (Windows/macOS), 3 days (Android), 7 days (iOS)
7 days(with credit card and register details android,ios )
7 days(with credit card and register details android)
7 days( with credit card and register details android )
7 days(with credit card and register details )
7 days(with credit card and register card )
Up to 20% discount
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If our data is different from the original data, please let us know and contact us
actuality , every cook praises his own broth ! By comparing the top VPNs on the key factors above, you can make an informed decision and choose the best option that suits your security, privacy, performance, features, and budget needs. Remember, the "best" VPN for you depends on your individual needs and preferences.
chitavpn is a newly established but updated vpn provider.
As a premium provider, we have followed all the essentials and vitals.
But in some cases, like some options, we have deficiencies that we are working on.
Unlike some companies, we don't define ourselves with words, because our team believes that there are always shortcomings and there is always someone who can be better than us!
Building trust with a VPN provider requires a multi-layered approach that analyzes both their technical practices and operational transparency.
Most premium providers allow you to test their services by activating a trial account to prove what they have before purchasing a subscription, but this is subject to receiving important information such as credit card number, expiration date, code CVV is along with your billing address and email address. But! To protect your privacy, we do not need to receive information to activate a trial account! It is possible to check the services and items you need in less than a few seconds for 3 days on Windows Mac and Android operating systems just by installing our application. In general, a reliable provider should have several key indicators, if you want a more detailed explanation, check out this blog post for more information.
Cheap things are not good, good things are not cheap and high price does not mean they are better!
You can get a one-month subscription for $12.97, and if you renew it in future months, get a flat 20% discount.
Also, in case of 3-month, 6-month and one-year extension, you can reduce the final cost by 35% in addition to the fixed 20% discount! We can safely say that no site has such an offer!
Secure encryption is essential for any VPN While AES-256 is considered the gold standard for encryption today, there are several encryption algorithms such as CHACHA20-POLY1305-SHA256 that provide stronger standards, all of which we have used. In addition, a no logging policy, modern VPN protocols like v2ray trojan Wireguard and ..., kill switch, leak protection, split tunneling, independent audits are all things to look for when choosing a VPN provider. be them
there is no one-size-fits-all "fastest" VPN. The best option depends on your specific needs, location and preferences. By analyzing factors such as internet speed, desired location, and security features, you can find a high-speed VPN that meets your needs and provides a safe and enjoyable online experience.
With modern VPN protocols and 2100+ servers in 54 countries, most of which have 10 Gbps ports, chitavpn can maintain fast connection speeds for users all around the world.
Whether or not VPNs are legal depends on the specific country or region you're using them in. In most countries, using a VPN is perfectly legal. However, some countries have restrictions or outright bans on their use. However, VPNs are not an automatic "get out of jail free" card for illegal activities. you want a more detailed explanation, check out this blog post for more information.
The data in the table is accurate as of February 12, 2024, and is subject to change
ChitaVPN’s Kill Switch ensures your internet disconnects if the VPN drops, keeping your data secure at all times.
Read moreChitaVPN follows a strict no-logs policy, meaning none of your online activity or connection data is tracked or stored.
Read moreChitaVPN includes built-in ad blocking, providing an ad-free and more private browsing experience.
Read moreChitaVPN offers a static IP option for consistent access to banking and other sensitive services.
Read moreChitaVPN helps you bypass sanctions and regional restrictions, allowing access to global content.
Read moreChitaVPN uses strong encryption protocols to protect your internet traffic and ensure secure communication.
Read moreIf we only consider the speed factor, generally, any protocol on the UDP platform offers higher speeds, as shown in the table.
obfuscation and encryption helps mask VPN traffic, enhancing security.
So any protocol that has these 2 items in the above table can guarantee your security.
A VPN protocol is a set of instructions that dictates how data is encrypted and tunneled through a VPN server. Different protocols offer varying levels of speed, security, and compatibility. Choosing the right protocol depends on your needs.
Consider your priorities: Security (strong encryption), Speed (low latency), Stability (reliable connections), Bypassing firewalls (geo-restrictions, censorship), Streaming (HD quality), P2P (torrenting), Gaming (low ping), Downloading (large files), Battery Usage (mobile devices), Open-source (transparency, community support), and Ease of Use (simple setup).
Speed refers to how fast data travels through the VPN tunnel. Security refers to the protocol's ability to encrypt your data and protect it from snooping. Generally, faster protocols might have less robust security features, and vice versa.
Some popular options include OpenVPN, WireGuard, IKEv2/IPsec, Shadowsocks, Trojan-GFW, V2ray, PPTP/L2TP, SOCKS5, and Http-Proxy. Each has its strengths and weaknesses in different categories.
Yes, most VPN protocols can bypass geo-restrictions, but some streaming services actively block VPN traffic.
Trojan and V2ray are relatively new and show promise.
Trojan: Built for stealth, ideal for bypassing firewalls (especially GFW). V2ray (with tools): Can be effective with obfuscation plugins to hide VPN traffic. Shadowsocks (maybe): now less reliable, may work to bypass firewalls in some cases. Avoid as SOCKS5/Proxy (no encryption), PPTP/L2TP (deprecated), IKEv2/IPsec (not designed to bypass).
Free VPNs can be tempting, but saving money often means sacrificing your privacy.
A free VPN service does not have the resources to provide a top-notch service.
Many free VPNs rely on selling your data to run their services in addition to repeatedly showing ads, a secure VPN service will never do that.
Modern protocols are optimized to deal with the latest threats and work with the latest systems. Free VPNs don't offer them
Free VPNs limit the length of time you can connect to the VPN or the amount of traffic you download. Premium VPNs do not.
A paid VPN has the resources to prioritize your security. Free VPNs simply do not.
More servers means they will be less crowded, resulting in a faster connection. Paid VPNs have significantly more servers than free ones.
Maintaining fast servers and minimizing slowdowns takes a lot of resources. Sources that don't have free VPNs.
There may be some valid free VPN options with limited features. However, carefully review their privacy policies and restrictions before using them. Remember that often, "free" VPNs have a hidden cost. Paid VPNs offer a safer and more secure experience for most users who value their online privacy and security.
Free VPNs do not require an upfront payment, but often have limitations such as data limits, slower speeds, and fewer server locations. Paid VPNs include a subscription fee but offer unlimited data, faster speeds, more server options, and better security features.
Free VPNs can be a tempting option, but they come with trade-offs. Consider whether the limitations outweigh the benefits for your needs.
Some free VPNs limit features or inject ads. Others may track and sell your data to third parties, potentially compromising your privacy.
Security features on free VPNs can be weak and leave your data vulnerable. Some may use outdated encryption or lack necessary security protocols.
Free VPNs often have fewer servers and a higher user concentration, resulting in less congestion and slower speeds.
Paid VPNs usually offer features such as access to streaming services, strong encryption, multi-hop connections (super security), and kill switches (protect if the VPN crashes).
If you prioritize security, privacy, unlimited data, fast speeds, server diversity, or bypassing geo-restrictions, a paid VPN is a better choice.
Combining knowledge and art with simplicity.It's time to start protecting your private digital life!
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