firewalls

Oriptablesdinputpipjdrop o iptablesdforward1

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Unformatted text preview: UT
chain
 o iptables
–A
INPUT
–p
ip
–j
DROP
 o iptables
–L
–‐line‐numbers
‐n
 Allow
connections
that
are
already
established
or
related
 o iptables
–I
INPUT
–m
state
‐‐state
ESTABLISHED,RELATED
–j
ACCEPT
 o iptables
–L
–‐line‐numbers
‐n
 Prevent
someone
from
treating
the
machines
as
a
gateway
 o iptables
–A
FORWARD
–p
ip
–j
DROP

 o iptables
–L
–‐line‐numbers
‐n
 Delete
rules
from
iptables...
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