Tag: <span>bogons</span>

As mentioned from the previous post, Bogon prefixes or routes should never appear in the Internet routing table. Network Engineers should implement “Best Practices” in their network, that includes filtering of bogons as it maybe used in DDoS attacks or Spams. Refer to https://freenetworktutorials.com/ipv4-and-ipv6-bogon-address-list  for more info. “Martians” bogons may changed occasionally so at least make sure private address mentioned in https://freenetworktutorials.com/ipv4-classful-and-reserved-addresses are filtered so it wont leak out into the Internet. Here is sample steps and configuration. (This is the equivalent configuration…

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