Hello guys,

stumbled on weird thing today - wanted to setup some iptables rules based on 'mac address' and iptables failed to start.


cat /etc/redhat-release
Scientific Linux release 7.4 (Nitrogen)

iptables --version
iptables v1.4.21

yum list all | grep iptables
iptables.x86_64 1.4.21-18.2.el7_4 @sl-fastbugs iptables-services.x86_64 1.4.21-18.2.el7_4 @sl-fastbugs iptables-utils.x86_64 1.4.21-18.2.el7_4 @sl-fastbugs


what happens:
after adding simple rule to '/etc/sysconfig/iptables':
*filter
-A INPUT -m mac --mac-source 52-54-00-6f-04-51 -j ACCEPT


it refuses to start after 'systemctl restart iptables' and the 'journalctl -xe' says:

Error occurred at line: XX and thats' it



If i add the same simple rule to the SL 6.9 iptables rules, it works without problem..

Anyone stumled upon this, only thing i can think of is, that it is not compiled in standard kernel ..

Thanks for any input - i tried to lookup things at search engines, but so far no light ..ehh.


--
*Karel Lang*
*Unix/Linux Administration*
l...@afd.cz | +420 731 13 40 40
AUFEER DESIGN, s.r.o. | www.aufeerdesign.cz

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