def forward_disable(src, dst, ipaddr):
 run(settings.iptables, '-D', 'FORWARD', '-i', src, '-o', dst, '--source', ipaddr, '-j', 'ACCEPT')
 run(settings.iptables, '-D', 'FORWARD', '-i', dst, '-o', src, '--destination', ipaddr, '-j', 'ACCEPT')

def forward_disable ( src , dst , ipaddr ) : run ( settings . iptables , '-D' , 'FORWARD' , '-i' , src , '-o' , dst , '--source' , ipaddr , '-j' , 'ACCEPT' ) run ( settings . iptables , '-D' , 'FORWARD' , '-i' , dst , '-o' , src , '--destination' , ipaddr , '-j' , 'ACCEPT' )
disable forwarding of a specific ip address from one interface into another .