Beginning in Shorewall 4.4.13, the second form of exclusion is allowed after all and any in the SOURCE and DEST columns of /etc/shorewall/rules. It allows you to omit arbitrary zones from the list generated by those key words.

Jan 03, 2012 · The policy sets the overall layout for who is allowed to go where. It makes broad sweeps and big changes. Start here for designing security. Each line is processed from top to bottom for every packet that goes to or through the router. The Shoreline Firewall, more commonly known as "Shorewall", is a high-level tool for configuring Netfilter. You describe your firewall/gateway requirements using entries in a set of configuration files. Shorewall reads those configuration files and with the help of the iptables utility, Shorewall configures Netfilter to match your requirements. DESCRIPTION Entries in this file govern connection establishment by defining exceptions to the policies laid out in shorewall-policy (5). By default, subsequent requests and responses are automatically allowed using connection tracking. Important Intra-zone policies are pre-defined For $FW and for all of the zones defined in /etc/shorewall6/zones, the POLICY for connections from the zone to itself is ACCEPT (with no logging or TCP connection rate limiting but may be overridden by an entry in this file. Security-Enhanced Linux secures the shorewall processes via flexible mandatory access control. The shorewall processes execute with the shorewall_t SELinux type.

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Normally, when the SOURCE or DEST columns in shorewall-policy(5) contains 'all', a single policy chain is created and thes policy is enforced in that chain. For example, if the policy entry is For example, if the policy entry is

But I am 100% sure it is off in my shorewall config > and I have restarted many times. > > In fact when I turn it on in Shorewall config and try to use it, > things get MUCH slower. > > root@:~# shorewall show tc > Shorewall Traffic Control at gigserver - Mon Jan 29 20:36:42 EST 2018 > > Chain PREROUTING (policy ACCEPT 5333K packets

Ubuntu Manpage: policy - Shorewall policy file Provided by: shorewall_4.4.26.1-1_all NAME policy - Shorewall policy file SYNOPSIS /etc/shorewall/policy DESCRIPTION This file defines the high-level policy for connections between zones defined in shorewall-zones[1](5).Important The order of entries in this file is important This file determines what to do with a new connection request if we don't get a match from the /etc/shorewall/rules file .