Blocking illegal IP addresses

Discussion in 'LnS English Forum' started by jgama, Jun 2, 2004.

Thread Status:
Not open for further replies.
  1. jgama

    jgama Registered Member

    Joined:
    May 4, 2004
    Posts:
    34
    Hello!

    I made a list of IP addresses/masks that should be blocked because they are reserved and they might show up because of an error or from spoofing. In either case, it is better to block them.

    Block illegal IP addresses

    TCP
    192.168.0.0/255.255.0.0
    10.0.0.0/255.0.0.0
    172.16.0.0/255.240.0.0
    127.0.0.0/255.0.0.0
    0.0.0.0/255.0.0.0
    169.254.0.0/255.255.0.0
    224.0.0.0/255.240.0.0
    240.0.0.0/255.248.0.0
    0.0.0.0/0.0.0.255
    0.0.0.255/0.0.0.255

    UDP
    224.0.0.0/255.240.0.0

    My questions to the firewall guru's are:
    1) Are those addresses right?
    2) Should we block all traffic from those addresses? Even ICMP, etc... With the exception of broadcasts if we need them.

    Thank you!

    Peace,
    Joseph
     
Thread Status:
Not open for further replies.