[conspire] quick firewall question

Tony Godshall tony at of.net
Thu Aug 26 14:28:32 PDT 2010

We seem to be talking past each other (to put it nicely)

https is port 443.  blocking it would block google services logins,
since google goes to 443 for login.

your mention of 8080 makes me think I don't really understand your question

your mention of network makes me think you don't really
understand private networks

as to whether your daemons have clean access out, that depends which
hosts they live on and which ports you've blocked from which hosts.
for a particular host to have clean access out, you just need a -j
ACCEPT rule for that host before your -j DROP rule for the rest of the

On Thu, Aug 26, 2010 at 05:24, Ruben Safir <ruben at mrbrklyn.com> wrote:
> Let me rephrase the question.
> I can do something like
> iptables -A OUTPUT -p tcp –dport 8080 -j DROP
> or
> iptables -A OUTPUT -p tcp -d –dport 8080 -j DROP
> for blocking 8080 for gmail.  How can I do that only for traffic coming
> from eth1 which is the internal network which sits on the
> network and wherefor not affecting my server dameons from having clean
> access to the outside world?
> Ruben
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