Hi All,
i using iptables (version 1.4.14) on a LMDE(Debian like) with kernel
3.5.3. Some days before i watched my logs after several weeks again. :-)
And i spotted the error message:
Bad argument `lo'
So i searched at google to get a solution and i got one. Some user told
to put the <lo> into ticks, like this
'!lo'
My iptables-rules regarding on this problem were looking so,
...
iptables -A INPUT -i ! lo -s 127.0.0.1 -j DROP
...
and i changed this line to,
...
iptables -A INPUT -i '!lo' -s 127.0.0.1 -j DROP
...
Now i am not sure, if this works correctly. <iptables -L> shows me the
device "!lo",
######################################################################
Chain INPUT (policy DROP 0 packets, 0 bytes)
pkts bytes target prot opt in out source
destination
0 0 LOG all -- !lo any localhost
anywhere limit: avg 3/sec burst 5 LOG level warning prefix
"Loopback gespooft: "
0 0 DROP all -- !lo any localhost
anywhere
######################################################################
but i am not sure if this works correctly. Does somebody knows if this
trick works correctly?
regards Markus
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