[clug] help network not working after upgrade to Fedora 22 (urgent)

Chris Smart clug at christophersmart.com
Tue Aug 11 01:20:34 UTC 2015


On 11/08/15 08:24, Alex Satrapa wrote:
> Absolutely yes, you should have a firewall active on any machine with an active network interface. That firewall should work to protect the Internet from your machine as well as protecting your machine from the Internet.
> 
> There are about as many firewall options as there are sysadmins. One that I like is “Firehol”: http://firehol.org/#firehol
> 
> This “Domain Specific Language” tries to help you build firewalls by providing a vocabulary around the services you’re trying to enable. This removes you one or two levels from iptables where you have to remember to set up incoming, outgoing, and through-traffic rules for all services.

Fedora also comes with FirewallD [1] by default, which you could take a
look at:

e.g. open Apache port in default zone:
 firewall-cmd --add-service=http

If it works as expected, make it permanent:
 firewall-cmd --permanent --add-service=http

[1] https://fedoraproject.org/wiki/FirewallD

-c



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