OSEC

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From: Scott M. Nolde (scottsmnolde.com)
Date: Sat Mar 02 2002 - 21:40:33 CST

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    George.Gilesmcmail.vanderbilt.edu(George.Gilesmcmail.vanderbilt.edu)2002.03.01 07:52:26 +0000:
    > How do you get ipfw to pick-up DHCP value for oif in the rc.firewall script
    > ?
    >
    This is what I do:
    onet=`/sbin/ifconfig dc0 | grep -w inet | awk '{print $2}' | awk -F. \
    '{print $1 "." $2 "." $3 ".0"}'`
    omask=`grep subnet-mask /var/db/dhclient.leases | tail -1 | sed \
    "s/[,;]//g" | awk '{print $3}'`
    oip=`grep fixed-address /var/db/dhclient.leases | tail -1 | sed \
    "s/[,;]//g" | awk '{print $2}'`
    dns1=`grep domain-name-servers /var/db/dhclient.leases | tail -1 | sed \
    "s/[,;]/ /g" | awk '{print $3}'`
    dns2=`grep domain-name-servers /var/db/dhclient.leases | tail -1 | sed \
    "s/[,;]/ /g" | awk '{print $4}'`
    dhcp=`grep dhcp-server /var/db/dhclient.leases | tail -1 | sed "s/;//g" |\
    awk '{print $3}'` 

    -- 
Scott Nolde
GPG Key 0xD869AB48

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