I have a debian amd64 box. I am writing a set of firewall rules. I want
to be able to ping my machine from outside. I wrote the following rule.
I am still unable to ping my machine from outside. Could someone verify
that my rule is correct.
# Allow to/be ping(ed).
$IPT --append INPUT --in-interface $EXTIF --protocol icmp --icmp-type 0 \
--destination $EXTIP --match state --state NEW,ESTABLISHED,RELATED \
--jump ACCEPT
$IPT --append INPUT --in-interface $EXTIF --protocol icmp --icmp-type 8 \
--destination $EXTIP --match state --state NEW,ESTABLISHED,RELATED \
--jump ACCEPT
$IPT --append OUTPUT --out-interface $EXTIF --protocol icmp --icmp-type 0 \
--source $EXTIP --match state --state NEW,ESTABLISHED,RELATED \
--jump ACCEPT
$IPT --append OUTPUT --out-interface $EXTIF --protocol icmp --icmp-type 8 \
--source $EXTIP --match state --state NEW,ESTABLISHED,RELATED \
--jump ACCEPT
I am able to ping other m/c from my m/c but I am not able to ping from
outside.
Thanks,
Bharath
---
Bharath Ramesh <[EMAIL PROTECTED]> http://people.cs.vt.edu/~bramesh
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