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i have very simple question i am using linux and open the NAT as echo '1' > /proc/sys/net/ipv4/ip_forward /sbin/iptables -P FORWARD ACCEPT /sbin/iptables -t nat -A POSTROUTING -p all -s ...
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  1. #1
    Just Joined!
    Join Date
    Feb 2005
    Posts
    35

    problem in ip tables


    i have very simple question
    i am using linux and open the NAT
    as

    echo '1' > /proc/sys/net/ipv4/ip_forward
    /sbin/iptables -P FORWARD ACCEPT
    /sbin/iptables -t nat -A POSTROUTING -p all -s 192.168.0.0/255.255.255.0 -d 0.0.0.0/0 -j MASQUERADE

    now i want only 192.168.0.1 to 192.168.0.200 user can access the internet other not
    and second thing is that i want to block sites like kazaa.com and so on . how can i do this on iptables . i don't want to use proxy server because through this is can't open the voice chat as well as sms sites. is there any way to do this job
    send reply on this address
    m_alvi82@hotmail.com

  2. #2
    Linux User
    Join Date
    Feb 2005
    Posts
    290
    googling for block kazaa iptables returns:

    http://groups-beta.google.com/group/...48352a80b661d0

    (i learn something new today!! )

    To allow FROM .1 to .200 (or to block .201 to .254) chop your ip into something like 192.168.0.224/27 and disallow it. This would effectively block ip from 192.168.0.224 to 192.168.0.254 from passing thru your firewall..


    good luck

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