NAME

       ecn - Shorewall ECN file

SYNOPSIS

       /etc/shorewall/ecn

DESCRIPTION

       IPv4 only.

       Use this file to list the destinations for which you want to disable ECN (Explicit
       Congestion Notification). Use of this file is deprecated in favor of ECN rules in
       shorewall-mangle[1](8).

       The columns in the file are as follows.

       INTERFACE - interface
           Interface through which host(s) communicate with the firewall

       HOST(S) (Optional) - [-|address-or-address-range[,address-or-address-range]...]
           Comma-separated list of host and/or network addresses. If left empty or supplied as
           "-", 0.0.0.0/0 is assumed. If your kernel and iptables include iprange match support
           then IP address ranges are also permitted.

FILES

       /etc/shorewall/ecn

SEE ALSO

       shorewall(8)

NOTES

        1. shorewall-mangle
           https://shorewall.org/manpages/shorewall-mangle.html