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Reorganize ports for services, rename 'default_ports.conf' to 'ports.conf'.

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This commit is contained in:
Christoph 2019-03-09 15:42:24 +01:00
parent 4967e6549d
commit c6de143b1e
6 changed files with 105 additions and 143 deletions
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40
conf/default_ports.conf
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@ -1,40 +0,0 @@
#!/usr/bin/env bash
# -------------
# --- Define Ports for Services
# -------------
# - Web Server Ports
# -
http_ports="80,443"
# - FTP Servers Passive Portrange
# -
ftp_passive_port_range="50000:50400"
# - Mail Client Ports (Submission/SMTPS/POPS/IMAPS)
# -
mail_user_ports="587,465,110,995,143,993"
# - SSH Ports
# -
# - comma separated list
ssh_ports="22"
# - VPN Service
vpn_ports="1194 1195"
# - Mumble Server
# -
mumble_ports="64738"
# - XyMon Service (usually TCP port 1984)
# -
# - NOT YET IMPLEMENTED
# -
xymon_port=1984
# - Munin Server Port (usually TCP port 4949)
# -
munin_remote_port="4949"

62
conf/main_ipv4.conf.sample
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@ -6,45 +6,6 @@
## ----------------------------------------------------------------
# -------------
# --- Define Ports for Services
# -------------
# - Web Server Ports
# -
http_ports="80,443"
# - FTP Servers Passive Portrange
# -
ftp_passive_port_range="50000:50400"
# - Mail Client Ports (Submission/SMTPS/POPS/IMAPS)
# -
mail_user_ports="587,465,110,995,143,993"
# - SSH Ports
# -
# - comma separated list
ssh_ports="22"
# - VPN Service
vpn_ports="1194 1195"
# - Mumble Server
# -
mumble_ports="64738"
# - XyMon Service (usually TCP port 1984)
# -
# - NOT YET IMPLEMENTED
# -
xymon_port=1984
# - Munin Server Port (usually TCP port 4949)
# -
munin_remote_port="4949"
# -------------
# --- Prevent bridged traffic getting pushed through the host's iptables rules
# -------------
@ -456,26 +417,3 @@ kernel_activate_rp_filter=true
# -
kernel_log_martians=false
# -------------
# --- Some further Ports/IP-Address Configuration
# -------------
# - unpriviligierte Ports
# -
unprivports="1024:65535"
# - Loopback
loopback="127.0.0.0/8"
# - Private Networks
priv_class_a="10.0.0.0/8"
priv_class_b="172.16.0.0/12"
priv_class_c="192.168.0.0/16"
# - Multicast Addresse
class_d_multicast="224.0.0.0/4"
# Reserved Addresse
class_e_reserved="240.0.0.0/5"

15
conf/main_ipv6.conf.sample
View File

@ -6,21 +6,6 @@
## ----------------------------------------------------------------
# -------------
# --- Some Ports/IP-Address Configuration
# -------------
# - unpriviligierte Ports
# -
unprivports="1024:65535"
# unique local address (ULA) - private address block
ula_block="fc00::/7"
# - Loopback
loopback="::1/128"
# -------------
# --- Prevent bridged traffic getting pushed through the host's iptables rules
# -------------

79
conf/ports.conf Normal file
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@ -0,0 +1,79 @@
#!/usr/bin/env bash
# -------------
# --- Define Ports for Services
# -------------
# - Web Server Ports
# -
http_ports="80,443"
# - FTP Servers Passive Portrange
# -
ftp_passive_port_range="50000:50400"
# - Mail Client Ports (Submission/SMTPS/POPS/IMAPS)
# -
mail_user_ports="587,465,110,995,143,993"
# - SSH Ports
# -
# - comma separated list
ssh_ports="22"
# - VPN Service
vpn_ports="1194 1195"
# - Mumble Server
# -
mumble_ports="64738"
# - XyMon Service (usually TCP port 1984)
# -
# - NOT YET IMPLEMENTED
# -
xymon_port=1984
# - Munin Server Port (usually TCP port 4949)
# -
munin_remote_port="4949"
# -------------
# --- Predefined Ports
# -------------
# - unpriviligierte Ports
# -
unprivports="1024:65535"
# -------------
# --- Some IPv4-Address Configuration
# -------------
# - Loopback
loopback_ipv4="127.0.0.0/8"
# - Private Networks
priv_class_a="10.0.0.0/8"
priv_class_b="172.16.0.0/12"
priv_class_c="192.168.0.0/16"
# - Multicast Addresse
class_d_multicast="224.0.0.0/4"
# Reserved Addresse
class_e_reserved="240.0.0.0/5"
# -------------
# --- Some IPv6-Address Configuration
# -------------
# unique local address (ULA) - private address block
ula_block="fc00::/7"
# - Loopback
loopback_ipv6="::1/128"

20
ip6t-firewall-server
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@ -22,7 +22,7 @@ inc_functions_file="${ipt_conf_dir}/include_functions.conf"
load_modules_file=${ipt_conf_dir}/load_modules_ipv6.conf
conf_logging=${ipt_conf_dir}/logging_ipv6.conf
conf_default_ports=${ipt_conf_dir}/default_ports.conf
conf_ports=${ipt_conf_dir}/ports.conf
conf_interfaces=${ipt_conf_dir}/interfaces_ipv6.conf
conf_main=${ipt_conf_dir}/main_ipv6.conf
conf_post_declarations=${ipt_conf_dir}/post_decalrations.conf
@ -111,10 +111,10 @@ else
source $conf_logging
fi
if [[ ! -f "$conf_default_ports" ]]; then
fatal "Missing configuration for default_ports - file '$conf_default_ports'"
if [[ ! -f "$conf_ports" ]]; then
fatal "Missing configuration for default_ports - file '$conf_ports'"
else
source $conf_default_ports
source $conf_ports
fi
if [[ ! -f "$conf_interfaces" ]]; then
@ -619,25 +619,25 @@ done
for _dev in ${ext_if_arr[@]} ; do
if $log_spoofed || $log_all ; then
$ip6t -A INPUT -i $_dev -s $ula_block -j $LOG_TARGET $tag_log_prefix "$log_prefix Private (ula_block): "
$ip6t -A INPUT -i $_dev -s $loopback -j $LOG_TARGET $tag_log_prefix "$log_prefix (loopback): "
$ip6t -A INPUT -i $_dev -s $loopback_ipv6 -j $LOG_TARGET $tag_log_prefix "$log_prefix (loopback): "
if $kernel_forward_between_interfaces ; then
$ip6t -A FORWARD -i $_dev -s $ula_block -j $LOG_TARGET $tag_log_prefix "$log_prefix Private (ula_block): "
$ip6t -A FORWARD -i $_dev -s $loopback -j $LOG_TARGET $tag_log_prefix "$log_prefix (loopback): "
$ip6t -A FORWARD -i $_dev -s $loopback_ipv6 -j $LOG_TARGET $tag_log_prefix "$log_prefix (loopback): "
fi
fi
$ip6t -A INPUT -i $_dev -s $ula_block -j DROP
$ip6t -A INPUT -i $_dev -s $loopback -j DROP
$ip6t -A INPUT -i $_dev -s $loopback_ipv6 -j DROP
if $kernel_forward_between_interfaces ; then
$ip6t -A FORWARD -i $_dev -s $ula_block -j DROP
$ip6t -A FORWARD -i $_dev -s $loopback -j DROP
$ip6t -A FORWARD -i $_dev -s $loopback_ipv6 -j DROP
fi
# Don't allow spoofing from that server
$ip6t -A OUTPUT -o $_dev -s $ula_block -j DROP
$ip6t -A OUTPUT -o $_dev -s $loopback -j DROP
$ip6t -A OUTPUT -o $_dev -s $loopback_ipv6 -j DROP
if $kernel_forward_between_interfaces ; then
$ip6t -A FORWARD -o $_dev -s $ula_block -j DROP
$ip6t -A FORWARD -o $_dev -s $loopback -j DROP
$ip6t -A FORWARD -o $_dev -s $loopback_ipv6 -j DROP
fi
done

32
ipt-firewall-server
View File

@ -22,7 +22,7 @@ inc_functions_file="${ipt_conf_dir}/include_functions.conf"
load_modules_file=${ipt_conf_dir}/load_modules_ipv4.conf
conf_logging=${ipt_conf_dir}/logging_ipv4.conf
conf_default_ports=${ipt_conf_dir}/default_ports.conf
conf_ports=${ipt_conf_dir}/ports.conf
conf_interfaces=${ipt_conf_dir}/interfaces_ipv4.conf
conf_main=${ipt_conf_dir}/main_ipv4.conf
conf_post_declarations=${ipt_conf_dir}/post_decalrations.conf
@ -111,10 +111,10 @@ else
source $conf_logging
fi
if [[ ! -f "$conf_default_ports" ]]; then
fatal "Missing configuration for default_ports - file '$conf_default_ports'"
if [[ ! -f "$conf_ports" ]]; then
fatal "Missing configuration for default_ports - file '$conf_ports'"
else
source $conf_default_ports
source $conf_ports
fi
if [[ ! -f "$conf_interfaces" ]]; then
@ -779,7 +779,7 @@ for _dev in ${ext_if_arr[@]} ; do
$ipt -A INPUT -i $_dev -s $priv_class_a -j $LOG_TARGET $tag_log_prefix "$log_prefix Class A private net:"
$ipt -A INPUT -i $_dev -s $priv_class_b -j $LOG_TARGET $tag_log_prefix "$log_prefix Class B private net:"
$ipt -A INPUT -i $_dev -s $priv_class_c -j $LOG_TARGET $tag_log_prefix "$log_prefix Class C private net:"
$ipt -A INPUT -i $_dev -s $loopback -j $LOG_TARGET $tag_log_prefix "$log_prefix From Loopback:"
$ipt -A INPUT -i $_dev -s $loopback_ipv4 -j $LOG_TARGET $tag_log_prefix "$log_prefix From Loopback:"
$ipt -A INPUT -i $_dev -s $class_d_multicast -j $LOG_TARGET $tag_log_prefix "$log_prefix Class D Multicast:"
$ipt -A INPUT -i $_dev -s $class_e_reserved -j $LOG_TARGET $tag_log_prefix "$log_prefix Class E reserved:"
#$ipt -A INPUT -i $_dev -d $broadcast_addr -j $LOG_TARGET $tag_log_prefix "$log_prefix Broadcast Address:"
@ -788,7 +788,7 @@ for _dev in ${ext_if_arr[@]} ; do
$ipt -A FORWARD -i $_dev -s $priv_class_a -j $LOG_TARGET $tag_log_prefix "$log_prefix Class A private net:"
$ipt -A FORWARD -i $_dev -s $priv_class_b -j $LOG_TARGET $tag_log_prefix "$log_prefix Class B private net:"
$ipt -A FORWARD -i $_dev -s $priv_class_c -j $LOG_TARGET $tag_log_prefix "$log_prefix Class C private net:"
$ipt -A FORWARD -i $_dev -s $loopback -j $LOG_TARGET $tag_log_prefix "$log_prefix From Loopback:"
$ipt -A FORWARD -i $_dev -s $loopback_ipv4 -j $LOG_TARGET $tag_log_prefix "$log_prefix From Loopback:"
$ipt -A FORWARD -i $_dev -s $class_d_multicast -j $LOG_TARGET $tag_log_prefix "$log_prefix Class D Multicast:"
$ipt -A FORWARD -i $_dev -s $class_e_reserved -j $LOG_TARGET $tag_log_prefix "$log_prefix Class E reserved:"
#$ipt -A FORWARD -i $_dev -d $broadcast_addr -j $LOG_TARGET $tag_log_prefix "$log_prefix Broadcast Address:"
@ -801,7 +801,7 @@ for _dev in ${ext_if_arr[@]} ; do
# Retfuse packets claiming to be from a Class C private network.
$ipt -A INPUT -i $_dev -s $priv_class_c -j DROP
# Refuse packets claiming to be from loopback interface.
$ipt -A INPUT -i $_dev -s $loopback -j DROP
$ipt -A INPUT -i $_dev -s $loopback_ipv4 -j DROP
# Refuse Class D multicast addresses. Multicast is illegal as a source address.
$ipt -A INPUT -i $_dev -s $class_d_multicast -j DROP
# Refuse Class E reserved IP addresses.
@ -816,7 +816,7 @@ for _dev in ${ext_if_arr[@]} ; do
# Refuse packets claiming to be from a Class C private network.
$ipt -A FORWARD -i $_dev -s $priv_class_c -j DROP
# Refuse packets claiming to be from loopback interface.
$ipt -A FORWARD -i $_dev -s $loopback -j DROP
$ipt -A FORWARD -i $_dev -s $loopback_ipv4 -j DROP
# Refuse Class D multicast addresses. Multicast is illegal as a source address.
$ipt -A FORWARD -i $_dev -s $class_d_multicast -j DROP
# Refuse Class E reserved IP addresses.
@ -836,14 +836,14 @@ done
# quench to the loopback.
for _dev in ${ext_if_arr[@]} ; do
if $log_to_lo || $log_all ; then
$ipt -A INPUT -i $_dev -d $loopback -j $LOG_TARGET $tag_log_prefix "$log_prefix To Loopback:"
$ipt -A INPUT -i $_dev -d $loopback_ipv4 -j $LOG_TARGET $tag_log_prefix "$log_prefix To Loopback:"
if $kernel_activate_forwarding ; then
$ipt -A FORWARD -i $_dev -d $loopback -j $LOG_TARGET $tag_log_prefix "$log_prefix To Loopback:"
$ipt -A FORWARD -i $_dev -d $loopback_ipv4 -j $LOG_TARGET $tag_log_prefix "$log_prefix To Loopback:"
fi
fi
$ipt -A INPUT -i $_dev -d $loopback -j DROP
$ipt -A INPUT -i $_dev -d $loopback_ipv4 -j DROP
if $kernel_activate_forwarding ; then
$ipt -A FORWARD -i $_dev -d $loopback -j DROP
$ipt -A FORWARD -i $_dev -d $loopback_ipv4 -j DROP
fi
done
@ -857,23 +857,23 @@ for _dev in ${ext_if_arr[@]} ; do
$ipt -A OUTPUT -o $_dev -s $priv_class_a -j $LOG_TARGET $tag_log_prefix "$log_prefix out Class A:"
$ipt -A OUTPUT -o $_dev -s $priv_class_b -j $LOG_TARGET $tag_log_prefix "$log_prefix out Class B:"
$ipt -A OUTPUT -o $_dev -s $priv_class_c -j $LOG_TARGET $tag_log_prefix "$log_prefix out Class C:"
$ipt -A OUTPUT -o $_dev -s $loopback -j $LOG_TARGET $tag_log_prefix "$log_prefix out Loopback:"
$ipt -A OUTPUT -o $_dev -s $loopback_ipv4 -j $LOG_TARGET $tag_log_prefix "$log_prefix out Loopback:"
if $kernel_activate_forwarding ; then
$ipt -A FORWARD -o $_dev -s $priv_class_a -j $LOG_TARGET $tag_log_prefix "$log_prefix out Class A:"
$ipt -A FORWARD -o $_dev -s $priv_class_b -j $LOG_TARGET $tag_log_prefix "$log_prefix out Class B:"
$ipt -A FORWARD -o $_dev -s $priv_class_c -j $LOG_TARGET $tag_log_prefix "$log_prefix out Class C:"
$ipt -A FORWARD -o $_dev -s $loopback -j $LOG_TARGET $tag_log_prefix "$log_prefix out Loopback:"
$ipt -A FORWARD -o $_dev -s $loopback_ipv4 -j $LOG_TARGET $tag_log_prefix "$log_prefix out Loopback:"
fi
fi
$ipt -A OUTPUT -o $_dev -s $priv_class_a -j DROP
$ipt -A OUTPUT -o $_dev -s $priv_class_b -j DROP
$ipt -A OUTPUT -o $_dev -s $priv_class_c -j DROP
$ipt -A OUTPUT -o $_dev -s $loopback -j DROP
$ipt -A OUTPUT -o $_dev -s $loopback_ipv4 -j DROP
if $kernel_activate_forwarding ; then
$ipt -A FORWARD -o $_dev -s $priv_class_a -j DROP
$ipt -A FORWARD -o $_dev -s $priv_class_b -j DROP
$ipt -A FORWARD -o $_dev -s $priv_class_c -j DROP
$ipt -A FORWARD -o $_dev -s $loopback -j DROP
$ipt -A FORWARD -o $_dev -s $loopback_ipv4 -j DROP
fi
done