Hi
I'm just getting started doing my own firewall and using Shorewall.
When I look at examples in "raw" iptables code I can see how to do
inbound-only and outbound-only rules.
I'd use
iptables -i eth0 ...
or
iptables -o eth0 ...
How do you do the same thing in Shorewall?
I'm not sure just looking at the columns in the "rules" file
#ACTION SOURCE DEST PROTO DEST SOURCE ORIGINAL RATE USER/ MARK
CONNLIMIT TIME HEADERS SWITCH HELPER
# PORT PORT(S) DEST LIMIT GROUP
So for example if I want to block ONLY outbound traffic with DEST PORT =
10, and SOURCE PORT = 20 crossing eth0 but allow inbound
what's the format for the rule?
Sorry if I'm missing something obvious. :-/
Aaron
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