[ale] Firewalld is incomplete

Phil Turmel philip at turmel.org
Sun Jan 27 10:06:16 EST 2019


Geez!  I guess I won't be switching away from manual iptables rules 
anytime soon.

On 1/26/19 9:17 PM, Jim Kinney via Ale wrote:
> The firewall was overdue for replacement. So when it died today, 
> rebuilding it with all firewalld seemed to be acceptable.
> 
> The setup has a single network line to the upstream router. That line 
> has 5 IP addresses. Those are nat'ed into the lan to various lan 
> addresses. This is done with several iptables entries for nat and port 
> forwarding.
> 
> But firewalld has no rule set to handle destination IP! Um. Yeah. Source 
> IP but not destination. So how to direct packets?
> 
> Ah! Could put each ip in a zone and redirect a zone. But that doesn't 
> work as zones are defined by interface or source IP.
> 
> :-(
> 
> It's possible to do direct rules into firewalld but those are not 
> available to save and rerun (outside of a bash script) at boot/firewall 
> restart.
> 
> W. T. F. ??
> 
> Rich rules don't support destination IP either.
> 
> W.
> T.
> F.
> !?!?
> 
> So manual iptables it is with a bug notice going to firewalld devs.
> 
> Maybe there's a way to do it but 7+ hours into docs and attempts, I 
> pulled the plug and went for what works.


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