Re: firewalld?

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On Fri, 2013-02-15 at 14:11 +0100, Reindl Harald wrote:
> > The old firewall configuration tool would reload the entire set of
> > kernel rules when you made a change. This could cause side-effects
> such
> > as dropping open connections. The new firewalld system avoids this
> where
> > possible. In fact I'm not even sure of the effect of mixing the two;
> if
> > you're using firewalld then use firewall-config to configure it.
> 
> and firewall scripts using iptables.service provide the same as
> firewalld since decades: change the whole iptables policy
> without unload any kernel-module

Which is unsurprising given that firewalld does not replace iptables, it
merely provides a different interface to it.

Perhaps I wasn't clear. My comment was specifically about the
*configuration tool* (i.e. system-config-firewall), not the underlying
technology. The (potential) problem with using multiple config tools is
that they may not talk to each other. System-config-firewall has an
explicit warning about it not checking the current state of the kernel
rules before overwriting them. Presumably firewall-config is more
careful. No-one is saying you can't write your own scripts, but the OP
asked if firewall-config had an advantage over system-config-firewall,
and the answer is that it does.

poc

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