For example, in a successful attack, if Bob sends a packet to Alice, the packet passes through the attacker Eve first and Eve decides to forward it to Alice with or without any modifications when Alice receives the packet, she thinks it comes from Bob. Please correct your blog entry in order to not spread false information.In a Man-in-the-Middle (MitM) attack, an attacker inserts himself between two network nodes. Either the Domain is there but doesn't have records for this record type or it is not there. This leads to the result that the DNS resolver gets NXDOMAIN responses and A responses which seem to confuse a number of DNS resolvers. So while you're only spoofing responses to type A queries, the DNS resolver will in parallel fire AAAA queries, your example of etter.dns ignores. The second issue your blog entry introduces, is the fact that it ignores the fact of a world with IPv6 in parallel to IPv4. It even lead to unwanted issues when not handled carefully, since then, Ettercap tries to intercept the SSL handshake of every SSL enabled protocol by default with it's self-signed certificate. The first main issue is that uncommenting the redir_command_on, redir_command_off commands are NOT necessary to run this attack. It appears that this blog is providing unprecise information of how to use Ettercap to run a DNS spoof attack. I've been noticed about this blog by one of the Ettercap users. Open our terminal window and edit nf file in any text editor. How to install ettercap on kali linux? You don't need Ettercap comes pre-installed with Kali Linux, before open it we do some configuration. Ettercap is a very popular and easy DNS spoofing tool. Here for this tutorial we use Ettercap to spoof DNS. With the help of DNS spoofing attacker can inject poison in victim's address resolution protocol, and this attack is very hard to detect. This results in traffic being diverted to the attacker's computer or any other system. In this method attacker can divert a domain name to a incorrect IP. This means if it receives another request for same translation, it can replay without needing to ask any other servers until the cache expires.ĭNS spoofing is a crucial part of penetration testing. To reduce the effort and improve the performance DNS saves translate data for a limited time which called cache. So a domain name attached with the IP address. As we know every system have an unique IP address, but it is very difficult to remember IP address of many website for a human.
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