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shorewall6-hosts(5)

NAME

   hosts - shorewall6 file

SYNOPSIS

   /etc/shorewall6/hosts

DESCRIPTION

   This file is used to define zones in terms of subnets and/or individual
   IP addresses. Most simple setups don't need to (should not) place
   anything in this file.

   The order of entries in this file is not significant in determining
   zone composition. Rather, the order that the zones are declared in
   shorewall6-zones[1](5) determines the order in which the records in
   this file are interpreted.

       Warning
       The only time that you need this file is when you have more than
       one zone connected through a single interface.

       Warning
       If you have an entry for a zone and interface in
       shorewall6-interfaces[2](5) then do not include any entries in this
       file for that same (zone, interface) pair.

   The columns in the file are as follows (where the column name is
   followed by a different name in parentheses, the different name is used
   in the alternate specification syntax).

   ZONE - zone-name
       The name of a zone declared in shorewall6-zones[1](5). You may not
       list the firewall zone in this column.

   HOST(S) (hosts)-
   interface:{address-or-range[,address-or-range]...|+ipset|dynamic}[exclusion]
       The name of an interface defined in the shorewall6-interfaces[2](5)
       file followed by a colon (":") and a comma-separated list whose
       elements are either:

        1. The IPv6 address of a host.

        2. A network in CIDR format.

        3. An IP address range of the form [low.address]-[high.address].
           Your kernel and ip6tables must have iprange match support.

        4. The name of an ipset.

        5. The word dynamic which makes the zone dynamic in that you can
           use the shorewall add and shorewall delete commands to change
           to composition of the zone. This capability was added in
           Shorewall 4.4.21.

       You may also exclude certain hosts through use of an exclusion (see
       shorewall6-exclusion[3](5).

   OPTIONS - [option[,option]...]
       An optional comma-separated list of options from the following
       list. The order in which you list the options is not significant
       but the list must have no embedded white-space.

       blacklist
           Check packets arriving on this port against the
           shorewall6-blacklist[4](5) file.

       ipsec
           The zone is accessed via a kernel 2.6 ipsec SA. Note that if
           the zone named in the ZONE column is specified as an IPSEC zone
           in the shorewall6-zones[1](5) file then you do NOT need to
           specify the 'ipsec' option here.

       mss=mss
           Added in Shorewall 4.5.2. When present, causes the TCP mss for
           new connections to/from the hosts given in the HOST(S) column
           to be clamped at the specified mss.

       routeback
           shorewall6 should set up the infrastructure to pass packets
           from this/these address(es) back to themselves. This is
           necessary if hosts in this group use the services of a
           transparent proxy that is a member of the group or if DNAT is
           used to send requests originating from this group to a server
           in the group.

       tcpflags
           Packets arriving from these hosts are checked for certain
           illegal combinations of TCP flags. Packets found to have such a
           combination of flags are handled according to the setting of
           TCP_FLAGS_DISPOSITION after having been logged according to the
           setting of TCP_FLAGS_LOG_LEVEL.

FILES

   /etc/shorewall6/hosts

SEE ALSO

   http://www.shorewall.net/configuration_file_basics.htm#Pairs[5]

   shorewall6(8), shorewall6-accounting(5), shorewall6-actions(5),
   shorewall6-blacklist(5), shorewall6-interfaces(5),
   shorewall6-maclist(5), shorewall6-netmap(5),shorewall6-params(5),
   shorewall6-policy(5), shorewall6-providers(5), shorewall6-rtrules(5),
   shorewall6-routestopped(5), shorewall6-rules(5), shorewall6.conf(5),
   shorewall6-secmarks(5), shorewall6-tcclasses(5),
   shorewall6-tcdevices(5), shorewall6-mangle(5), shorewall6-tos(5),
   shorewall6-tunnels(5), shorewall-zones(5)

NOTES

    1. shorewall6-zones
       http://www.shorewall.net/manpages6/shorewall6-zones.html

    2. shorewall6-interfaces
       http://www.shorewall.net/manpages6/shorewall6-interfaces.html

    3. shorewall6-exclusion
       http://www.shorewall.net/manpages6/shorewall6-exclusion.html

    4. shorewall6-blacklist
       http://www.shorewall.net/manpages6/shorewall6-blacklist.html

    5. http://www.shorewall.net/configuration_file_basics.htm#Pairs
       http://www.shorewall.net/configuration_file_basics.htm#Pairs



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