HACK ROUTER PORT 53 DNS SERVERS INSTALL
If not, you first need to download and install Dnsmasq. On some systems, Dnsmasq is already installed and running by default as a local DNS server (for caching puposes). This can be done by changing the router configuration or the network settings of the operating system or mobile device. Once Dnsmasq is installed and running, clients must be told to use this DNS server to resolve IP addresses.
HACK ROUTER PORT 53 DNS SERVERS HOW TO
In short, the following steps will show you how to set up Dnsmasq and configure it to forward all DNS requests to Google’s DNS server - except the ones that you’d like to forge. The scenario described in this tutorial uses the very tiny DNS server Dnsmasq to forge DNS entries. Using tools like Wireshark, mitmproxy ( see mitmproxy tutorial here) or SSLsplit ( see SSLsplit tutorial here), this can be done without much effort - for both plain text protocols (HTTP, SMTP, etc.) as well as SSL-based requests (HTTPS, etc.). Eavesdropping the connection (MITM): Rerouting all IP packets to a certain machine makes it possible to eavesdrop on the connection by listening local network interface.And although blocking on DNS-level is pointless (using a different DNS server circumvents the blockage), it’s very easy to implement (as shown in this post) and is hence often used. social networks, political/religious content, pornography, piracy sites, etc.). Blocking sites: Especially in the last couple of years, many governments all over the world have used DNS forgery/spoofing to block access to various kind of Internet content (e.g.The two most prominent ones are to block access to a site or service, or to eavesdrop the connection using a man-in-the-middle attack (MITM). There are multiple reasons for wanting to reroute traffic.
the connection is rerouted to a destination of your choice. In short, before you can connect to “”, you first need to know its IP address.Īnd because machines blindly connect to the IP address returned by the DNS server, being able to forge specific (or all) of its entries means that the client connects to a different server – i.e. Before a machine can connect to another machine and start the actual communication, a DNS request must resolve the name of the destination machine. Even though it sounds like a very simple task, this translation carries a great responsibility because it is an essential step to make communication between most machines even possible. Blocking content / Internet censorshipĭNS is responsible for managing the Internet’s namespace of domains by translating domain names into IP addresses.
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