shorewall-rules(5): Shorewall rules file - Linux man page. Entries in this file govern connection establishment by defining exceptions to the policies layed out in shorewall-policy [1] (5). shorewall-rules(5) - Linux man page. Name. rules - Shorewall rules file.
The rule's numeric priority which determines the order in which the rules are processed. Rules with equal priority are applied in the order in which they appear in the file. 1000-1999 Before Shorewall-generated 'MARK' rules 11000-11999 After 'MARK' rules but before Shorewall-generated rules for ISP interfaces. 26000-26999 ALL This section was added in Shorewall 4.4.23. rules in this section are applied, regardless of the connection tracking state of the packet. ESTABLISHED Packets in the ESTABLISHED state are processed by rules in this section. The only ACTIONs allowed in this section are ACCEPT, DROP, REJECT, LOG and QUEUE There is an implicit ACCEPT rule I use Shorewall because it makes dealing with IPTables simple. As much as I like IPTables its rule syntax is f**king awful. Shorewall offers a layer of abstraction on IPTables and makes common use cases trivial. It offers more features than other solutions such a ufw. This section was added in Shorewall 4.4.23. rules in this section are applied, regardless of the connection tracking state of the packet. ESTABLISHED Packets in the ESTABLISHED state are processed by rules in this section. The only ACTIONs allowed in this section are ACCEPT, DROP, REJECT, LOG and QUEUE
The rule's numeric priority which determines the order in which the rules are processed. Rules with equal priority are applied in the order in which they appear in the file. 1000-1999 Before Shorewall-generated 'MARK' rules 11000-11999 After 'MARK' rules but before Shorewall-generated rules for ISP interfaces. 26000-26999
# For information about entries in this file, type "man shorewall-rules" ##### #ACTION SOURCE DEST PROTO DEST SOURCE ORIGINAL RATE USER/ MARK CONNLIMIT TIME HEADERS SWITCH HELPER # PORT PORT(S) DEST LIMIT GROUP #SECTION ALL #SECTION ESTABLISHED #SECTION RELATED #SECTION INVALID #SECTION UNTRACKED SECTION NEW # # Don't allow connection pickup from the net # Invalid(DROP) net all tcp # # Accept 4) Shorewall-rules(5) incorrectly stated that the 'bypass' option to NFQUEUE causes the rule to be silently bypassed if there is no application attached to the queue. The actual behavior is that the rule acts like ACCEPT in that case. Shorewall-rules(5) has been corrected.
## Shorewall version 1.3 - Rules File # # /etc/shorewall/rules # # Rules in this file govern connection establishment. Requests and # responses are automatically allowed using connection tracking. # # In most places where an IP address or subnet is allowed, you # can preceed the address/subnet with "!"
Ubuntu Manpage: logging - Shorewall logging For Shorewall-specific information, see FAQ #17[7]. CUSTOMIZING THE CONTENT OF SHOREWALL LOG MESSAGES In a Shorewall logging rule, the log level can be followed by a log tag as in "DROP:NFLOG:junk". The generated log message will include "chain-name junk DROP". shorewall-snat: Shorewall SNAT/Masquerade definition file Normally Masq/SNAT rules are evaluated after those for one-to-one NAT (defined in m[blue]shorewall-natm[][7](5)). If you want the rule to be applied before one-to-one NAT rules, follow the action name with "+": This feature should only be required if you need to insert rules in this file that preempt entries in m[blue] shorewall-nat m[] [7] (5). Shoreline Firewall (Shorewall) / Re: [Shorewall-devel] Re