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<!DOCTYPE html>
<html dir="ltr" lang="en">
<head>
<meta charset='utf-8'>
<title>Network Tools</title>
</head>
<body>
<a href="index.html">Tools Index</a>
<h1>Network Tools</h1>
<p>This document extend
<a href="../core/network.html">core network</a>,
that cover the most common environments, with
virtual networks and bridges.</p>
<p>To configure a sub-domain from
<a href="http://freedns.afraid.org">afraid.org</a>,
<a href="https://freedns.afraid.org/dynamic/v2/">generate cron job</a>
to update ip every 5 minutes, check
<a href="https://freedns.afraid.org/dynamic/v2/tips/">about dynamic interface</a>.
To run as system cron job add as root and remove
path line from example;</p>
<pre>
# crontab -e
</pre>
<p>Replace KEY and domain_name with correct one;</p>
<pre>
4,9,14,19,24,29,34,39,44,49,54,59 * * * * sleep 22 ; wget --no-check-certificate -O - https://freedns.afraid.org/dynamic/update.php?[KEY]= >> /var/log/freedns_domain_name.log 2>&1 &
</pre>
<h2 id="bridge">Bridges</h2>
<p>For more information about bridges read
<a href="http://ebtables.netfilter.org/br_fw_ia/br_fw_ia.html#section7">bridges with iptables</a>.
Script <a href="conf/etc/rc.d/blan">/etc/rc.d/blan</a> creates br0 bridge interface
with 10.0.0.1 ip. Number of tap interfaces created and attached depends on number
of cpu cores available. Ethernet interface is added to the bridge. Edit /etc/rc.conf
to setup interfaces at startup;</p>
<pre>
#
# /etc/rc.conf: system configuration
#
FONT=default
KEYMAP=dvorak
TIMEZONE="Europe/Lisbon"
HOSTNAME=machine
SYSLOG=sysklogd
SERVICES=(lo iptables wlan blan crond)
# End of file
</pre>
<p>Change iptables init script
<a href="../core/conf/rc.d/iptables">/etc/rc.d/iptables</a>
and set TYPE to bridge,
<a href="../core/conf/iptables/bridge.v4">/etc/iptables/bridge.v4</a>.
Now change
<a href="../core/conf/iptables/ipt-conf.sh">ipt-conf.sh</a>
and <a href="../core/conf/iptables/ipt-bridge.sh">ipt-bridge.sh</a>
with your network configuration and run;
</p>
<pre>
# bash ipt-bridge.sh
</pre>
<a href="index.html">Tools Index</a>
<p>This is part of the Hive System Documentation.
Copyright (C) 2019
Hive Team.
See the file <a href="../fdl-1.3-standalone.html">Gnu Free Documentation License</a>
for copying conditions.</p>
</body>
</html>
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