IPTables Question

From: CodeHeads (will.w_at_code-heads.com)
Date: 10/30/05

  • Next message: Bill Perkins: "Re: IPTables Question" 
    Date: Sun, 30 Oct 2005 10:20:19 -0500
To: "fedora-list@redhat.com" <fedora-list@redhat.com>, "linux_firewalls@yahoogroups.com" <linux_firewalls@yahoogroups.com>

    Hello all,

    I have a question on IPtables:

    The following is for a LAN based IP address:
    iptables -A FORWARD -p tcp -s 192.168.1.0/24 -i eth0 -j DROP
    iptables -A FORWARD -p udp -s 192.168.1.0/24 -i eth0 -j DROP

    Can this be used for WAN IP's?? Something like this:
    iptables -A FORWARD -p tcp -s 68.68.68.68 -i eth0 -j DROP
    iptables -A FORWARD -p udp -s 68.68.68.68 -i eth0 -j DROP

    And also can wild cards be used?
    iptables -A FORWARD -p tcp -s 68.* -i eth0 -j DROP
    iptables -A FORWARD -p udp -s 68.* -i eth0 -j DROP

    Thanks in advance,
    ~WILL~ 

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