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#!/bin/bash
#/**
#@file security-config
#@brief OpenGnsys Server security configuration.
#@note Security configuration tipsx for UFW, FirewallD and SELinux.
#@version 1.1.0 - Initial version.
#@author Ramón M. Gómez, ETSII Univ. Sevilla
#@date 2016-04-18
#*/ ##
# Variables.
PROG=$(basename "$0")
OPENGNSYS=/opt/opengnsys
# Errors control.
if [ "$USER" != "root" ]; then
echo "$PROG: Need to be root." >&2
exit 1
fi
# UFW configuration.
if which ufw 2>/dev/null; then
# Adding active services.
ufw allow "Apache Secure"
ufw allow OpenSSH
ufw allow Samba
ufw allow mysql
ufw allow rsync
ufw allow tftp
ufw allow 67,68/udp # DHCP
ufw allow 2002,2008/tcp # OpenGnsys services
ufw allow 9000:9051/udp # Multicast
ufw allow 6881:6999/udp # BitTorrent
# Applying configuration.
ufw enable
# FirewallD configuration.
elif which firewall-cmd 2>/dev/null; then
# Defining OpenGnsys services.
python -c "
import firewall.core.io.service as ios
s=ios.Service()
s.short = 'OpenGnsys Server'
s.name = 'ogAdmServer'
s.ports = [('2008', 'tcp')]
ios.service_writer(s, '/etc/firewalld/services')"
# Adding active services.
firewall-cmd --permanent --add-service=dhcp
firewall-cmd --permanent --add-service=https
firewall-cmd --permanent --add-service=mysql --zone internal
firewall-cmd --permanent --add-service=ogAdmServer
# Ubuntu 14.04 does not define "rsyncd" service.
firewall-cmd --permanent --add-service=rsyncd || \
firewall-cmd --permanent --add-port=873/tcp
firewall-cmd --permanent --add-service=samba
firewall-cmd --permanent --add-service=ssh
firewall-cmd --permanent --add-service=tftp
# Adding Multicast ports.
firewall-cmd --permanent --add-port=9000-9051/udp
# Adding BitTorent ports.
firewall-cmd --permanent --add-port=6881-6999/udp
# Applying configuration.
firewall-cmd --reload
else
echo "$PROG: Warning: Firewall won't be configured (neither ufw or firewalld are installed)."
fi
# SELinux configuration.
if which setsebool 2>/dev/null; then
# Configuring Apache.
setsebool -P httpd_can_connect_ldap on
semanage fcontext -at httpd_sys_content_t "$OPENGNSYS/www(/.*)?"
# Configuring Samba.
setsebool -P samba_export_all_ro=1 samba_export_all_rw=1
semanage fcontext -at samba_share_t "$OPENGNSYS/client(/.*)?"
semanage fcontext -at samba_share_t "$OPENGNSYS/images(/.*)?"
# Applying configuration.
restorecon -R $OPENGNSYS
else
echo "$PROG: Warning: SELinux won't be configured (policycoreutils is not installed)."
fi
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