Unristricted proxy
- 1. Unrestricted InternetUnrestricted Internet Access Using a ProxyAccess Using a Proxy ServerServer
- 2. What is a Proxy Server / VPN? A virtual private network is defined as: a computer network that is implemented in an additional software layer on top of an existing larger network for the purpose of creating a private scope of computer communications
- 3. What does that mean in layman’s terms? When you type Facebook.com into your browser the Great Firewall blocks access because that site is on a list. Anything on the list cannot be accessed directly from within the ‘Firewall because it controls incoming and outgoing connections. A proxyproxy is an intermediary server which is not on the list and it, in turn, connects to any site you want since its access is unrestricted. Once software is installed and activated the process is seamless and you won’t notice which sites are blocked and which aren’t. Browse your friends Facebook photos to your hearts content and tweet about them if you like.
- 4. Is this free? Of the services available several are free and monetized by advertising and others are ad- free but require a monthly fee. The most well known among free options was Hotspot Shield, although it bombarded users with advertisements and didn’t always work – that was before it was blocked outright. Unfortunately free proxies seem to get nailed pretty quickly so if you want a reliable solution you’ll be paying for the privilege of unrestricted internet access.
- 5. A web proxy server is a program that makes requests for web pages on behalf of all the other machines on your intranet. The proxy server will cache the pages it retrieves from the web so that if 3 machines request the same page only one transfer from the Internet is required. If your organization has a number of commonly used web sites this can save on Internet accesses.
- 6. How fast is it? Are there any downsides? Since average internet speeds in China are sub-par even for developing countries, Freedur can easily max out my residential 2mb China Telecom internet connection which at its fastest, is downloading at 200kb/s. The Freedur application is small and works flawlessly – once the accompanying Firefox plugin is installed the giant On button works like you’d expect.
- 7. Allowed subnets In here, at least the subnets of the active zones (no DMZ ) should be findable. The entry of a subnetwork under this option allows general access to the Web-proxyWeb-proxy.. If for example, remote/local VPN networks or locally connected networks that are neither in green nor defined in blue should be connected to the proxy, you just can enter the subnet with the subnet mask in here.
- 8. The Network based access control Builds the main component of the "Access control lists", and includes a few others, not listed in the IPFire webinterface options. In here the traffic control from Squid happens, where the access to Squid and further from Squid away can be managed.
- 10. Disable internal proxy access to Green from other subnets If the proxyproxy is activated and used for both zones (blue and green), there is the possibility to reach the green zone from the blue zone via http or https over the proxy. At this moment the zone separation produced by IPTables is bypassed. If this should be prevented, a hook needs to be set.
- 11. Disable internal proxy access to Blue from other subnets If the proxy is activated and used for both zones (blue and green), there is the possibility to reach the blue zone from the green zone via http or https over the proxy. At this moment the zone separation produced by IPTables is bypassed. If this should be prevented, a hook needs to be set. However, a direct access from green to blue is already possible
- 13. Unrestricted IP addresses All IP addresses which are listed in here have no restrictions by the following regulation areas of ”Time ristrictions”, ”Transfer limits” or the ”MIME-type filter”.
- 14. Unrestricted MAC addresses All MAC addresses which are listed in here have no restrictions by the following regulation areas of ”Time restrictions”, ”Transfer limits” or the ”MIME-type filter”.
- 15. Banned IP addresses:- All IP addresses that are entered here will be completely blocked by the proxy. Banned MAC addresses:-All MAC addresses that are entered here will be completely blocked by the proxy.
- 16. Unregistered IP's or MAC addresses:-IP or MAC addresses which are neither entered in the unrestricted section nor in the banned one, are restricted by the ”Time restrictions”, ”Transfer limits” or/and the ”MIME-type filter”.
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