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Listing iptables rules with line numbers

2018-02-08 ::
#shell  #iptables 

state == 0 && /^-A/ {state=1; chain=$2; counter=1; printf "\n"} state == 1 && $2 != chain {chain=$2; counter=1; printf "\n"} !/^-A/ {state=0} state == 1 {printf "[%03d] %s\n", counter++, $0} state == 0 {print}

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Blocking VNC with iptables

2010-02-04 ::
#linux  #classification  #iptables  #rfb  #netfilter  #vnc 
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