Edit: nm-shared.xml
<?xml version="1.0" encoding="utf-8"?> <zone target="ACCEPT"> <short>NetworkManager Shared</short> <description> This zone is used internally by NetworkManager when activating a profile that uses connection sharing and doesn't have an explicit firewall zone set. Block all traffic to the local machine except ICMP, ICMPv6, DHCP and DNS. Allow all forwarded traffic. Note that future package updates may change the definition of the zone unless you overwrite it with your own definition. </description> <rule priority='32767'> <reject/> </rule> <protocol value='icmp'/> <protocol value='ipv6-icmp'/> <service name="dhcp"/> <service name="dns"/> <service name="ssh"/> </zone>
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