diff options
Diffstat (limited to 'core/conf/iptables')
-rw-r--r-- | core/conf/iptables/ipt-bridge.sh | 6 | ||||
-rw-r--r-- | core/conf/iptables/ipt-client.sh | 20 | ||||
-rw-r--r-- | core/conf/iptables/ipt-firewall.sh | 6 | ||||
-rw-r--r-- | core/conf/iptables/ipt-server.sh | 23 |
4 files changed, 44 insertions, 11 deletions
diff --git a/core/conf/iptables/ipt-bridge.sh b/core/conf/iptables/ipt-bridge.sh index 694c22f..67b5053 100644 --- a/core/conf/iptables/ipt-bridge.sh +++ b/core/conf/iptables/ipt-bridge.sh @@ -48,9 +48,12 @@ $IPT -A FORWARD -i ${BR_IF} -o ${BR_IF} -m physdev --physdev-in ${PUB_IF} -d 10. $IPT -A FORWARD -i ${BR_IF} -o ${BR_IF} -m physdev --physdev-in ${PUB_IF} -d 10.0.0.4 -j srv_https_in $IPT -A FORWARD -i ${BR_IF} -o ${BR_IF} -m physdev --physdev-in ${PUB_IF} -d 10.0.0.4 -j srv_ssh_in $IPT -A FORWARD -i ${BR_IF} -o ${BR_IF} -m physdev --physdev-in ${PUB_IF} -d 10.0.0.4 -j srv_git_in +$IPT -A FORWARD -i ${BR_IF} -o ${BR_IF} -m physdev --physdev-in ${PUB_IF} -d 10.0.0.4 -j srv_ntp $IPT -A FORWARD -i ${BR_IF} -o ${BR_IF} -m physdev --physdev-in ${PUB_IF} -p tcp --sport 443 --dport 1024:65535 -j ACCEPT $IPT -A FORWARD -i ${BR_IF} -o ${BR_IF} -m physdev --physdev-in ${PUB_IF} -d 10.0.0.3 -j cli_http_in +$IPT -A FORWARD -i ${BR_IF} -o ${BR_IF} -m physdev --physdev-in ${PUB_IF} -d 10.0.0.3 -p tcp --dport 1024:65535 --sport 1024:65535 -j ACCEPT +$IPT -A FORWARD -i ${BR_IF} -o ${BR_IF} -m physdev --physdev-in ${PUB_IF} -d 10.0.0.4 -j cli_http_in ##Less noise $IPT -A FORWARD -i ${BR_IF} -o ${BR_IF} -p udp --dport 519 --sport 520 -j DROP $IPT -A FORWARD -i ${BR_IF} -o ${BR_IF} -p udp --dport 520 --sport 520 -j DROP @@ -70,11 +73,13 @@ $IPT -A INPUT -i ${BR_IF} -j srv_dhcp $IPT -A INPUT -i ${BR_IF} -d ${PUB_IP} -s ${BR_NET} -j srv_dns_in $IPT -A INPUT -i ${BR_IF} -d ${PUB_IP} -s ${BR_NET} -j srv_icmp $IPT -A INPUT -i ${BR_IF} -d ${PUB_IP} -s ${BR_NET} -j srv_ssh_in +$IPT -A INPUT -i ${BR_IF} -d ${PUB_IP} -s ${BR_NET} -j cli_http_in $IPT -A INPUT -i ${BR_IF} -d ${PUB_IP} -s ${DNS} -j cli_dns_in $IPT -A INPUT -i ${BR_IF} -d ${PUB_IP} -j cli_https_in $IPT -A INPUT -i ${BR_IF} -d ${PUB_IP} -j cli_git_in $IPT -A INPUT -i ${BR_IF} -d ${PUB_IP} -j cli_ssh_in +$IPT -A INPUT -i ${BR_IF} -d ${PUB_IP} -j srv_ntp #$IPT -A INPUT -i ${BR_IF} -m physdev --physdev-in ${WIFI_IF} -d ${PUB_IP} -s ${BR_NET} -j srv_icmp #$IPT -A INPUT -i ${WIFI_IF} -d ${PUB_IP} -s ${WIFI_NET} -j srv_dns_in @@ -110,6 +115,7 @@ $IPT -A OUTPUT -o ${BR_IF} -s ${PUB_IP} -d ${BR_NET} -j cli_http_out $IPT -A OUTPUT -o ${BR_IF} -s ${PUB_IP} -j cli_https_out $IPT -A OUTPUT -o ${BR_IF} -s ${PUB_IP} -j cli_git_out $IPT -A OUTPUT -o ${BR_IF} -s ${PUB_IP} -j cli_http_out +$IPT -A OUTPUT -o ${BR_IF} -s ${PUB_IP} -j srv_ntp #$IPT -A OUTPUT -o ${WIFI_IF} -d ${DNS} -j cli_dns_out #$IPT -A OUTPUT -o ${WIFI_IF} -d ${WIFI_NET} -j srv_dns_out diff --git a/core/conf/iptables/ipt-client.sh b/core/conf/iptables/ipt-client.sh index 65df9e4..77de218 100644 --- a/core/conf/iptables/ipt-client.sh +++ b/core/conf/iptables/ipt-client.sh @@ -19,13 +19,21 @@ $IPT -A INPUT -i ${PUB_IF} -j cli_https_in $IPT -A INPUT -i ${PUB_IF} -j cli_git_in $IPT -A INPUT -i ${PUB_IF} -j cli_ssh_in $IPT -A INPUT -i ${PUB_IF} -j srv_icmp +$IPT -A INPUT -i ${PUB_IF} -j srv_ntp $IPT -A INPUT -i ${PUB_IF} -j cli_pops_in $IPT -A INPUT -i ${PUB_IF} -j cli_smtps_in $IPT -A INPUT -i ${PUB_IF} -j cli_irc_in $IPT -A INPUT -i ${PUB_IF} -j cli_ftp_in $IPT -A INPUT -i ${PUB_IF} -j cli_gpg_in -$IPT -A INPUT -i ${PUB_IF} -p udp --sport 520 --dport 520 -j ACCEPT +$IPT -A INPUT -i ${PUB_IF} -p udp --sport 520 --dport 520 -j DROP +$IPT -A INPUT -p tcp --dport 1024:65535 --sport 1024:65535 -m state --state ESTABLISHED,RELATED -j ACCEPT +$IPT -A INPUT -p udp --dport 1024:65535 --sport 1024:65535 -m state --state ESTABLISHED,RELATED -j ACCEPT + +# allow all established and related +$IPT -A INPUT -p tcp --dport 1024:65535 --sport 1:65535 -m state --state ESTABLISHED,RELATED -j ACCEPT +$IPT -A INPUT -p udp --dport 1024:65535 --sport 1:65535 -m state --state ESTABLISHED,RELATED -j ACCEPT +$IPT -A INPUT -p icmp -j ACCEPT ####### Output Chain ###### $IPT -A OUTPUT -j blocker @@ -36,12 +44,20 @@ $IPT -A OUTPUT -o ${PUB_IF} -j cli_ssh_out $IPT -A OUTPUT -o ${PUB_IF} -j cli_git_out $IPT -A OUTPUT -o ${PUB_IF} -j cli_git_out $IPT -A OUTPUT -o ${PUB_IF} -j srv_icmp +$IPT -A OUTPUT -o ${PUB_IF} -j srv_ntp $IPT -A OUTPUT -o ${PUB_IF} -j cli_pops_out $IPT -A OUTPUT -o ${PUB_IF} -j cli_smtps_out $IPT -A OUTPUT -o ${PUB_IF} -j cli_irc_out $IPT -A OUTPUT -o ${PUB_IF} -j cli_ftp_out $IPT -A OUTPUT -o ${PUB_IF} -j cli_gpg_out -$IPT -A OUTPUT -o ${PUB_IF} -p udp --sport 1024:655335 --dport 1024:65535 -j ACCEPT + +$IPT -A OUTPUT -o ${PUB_IF} -p tcp --sport 1024:65535 --dport 1024:65535 -j ACCEPT +$IPT -A OUTPUT -o ${PUB_IF} -p udp --sport 1024:65535 --dport 1024:65535 -j ACCEPT + +# allow all out (make nmap and others happy) +$IPT -A OUTPUT -o ${PUB_IF} -p udp --sport 1024:65535 --dport 1:65535 -j ACCEPT +$IPT -A OUTPUT -o ${PUB_IF} -p tcp --sport 1024:65535 --dport 1:65535 -j ACCEPT +$IPT -A OUTPUT -p icmp -j ACCEPT ## log everything else and drop ipt_log diff --git a/core/conf/iptables/ipt-firewall.sh b/core/conf/iptables/ipt-firewall.sh index 12c3834..086b864 100644 --- a/core/conf/iptables/ipt-firewall.sh +++ b/core/conf/iptables/ipt-firewall.sh @@ -18,6 +18,7 @@ ipt_clear () { iptables -N srv_dhcp iptables -N srv_rip iptables -N srv_icmp + iptables -N srv_ntp iptables -N srv_dns_in iptables -N srv_dns_out iptables -N srv_http_in @@ -251,6 +252,11 @@ ipt_tables () { ####### ICMP Server $IPT -A srv_icmp -p icmp -j ACCEPT $IPT -A srv_icmp -j RETURN + + ####### NTP Client and Server + $IPT -A srv_ntp -p udp --sport 123 --dport 123 -j ACCEPT + $IPT -A srv_ntp -j RETURN + } diff --git a/core/conf/iptables/ipt-server.sh b/core/conf/iptables/ipt-server.sh index e557193..6a0a9c5 100644 --- a/core/conf/iptables/ipt-server.sh +++ b/core/conf/iptables/ipt-server.sh @@ -7,8 +7,8 @@ ipt_tables # Unlimited on loopback $IPT -A INPUT -i lo -s 127.0.0.0/8 -d 127.0.0.0/8 -j ACCEPT $IPT -A OUTPUT -o lo -s 127.0.0.0/8 -d 127.0.0.0/8 -j ACCEPT -#$IPT -A INPUT -i lo -s ${PUB_IP} -d ${PUB_IP} -j ACCEPT -#$IPT -A OUTPUT -o lo -s ${PUB_IP} -d ${PUB_IP} -j ACCEPT +$IPT -A INPUT -i lo -s ${PUB_IP} -d ${PUB_IP} -j ACCEPT +$IPT -A OUTPUT -o lo -s ${PUB_IP} -d ${PUB_IP} -j ACCEPT ####### Input Chain ###### $IPT -A INPUT -j blocker @@ -17,28 +17,33 @@ $IPT -A INPUT -i ${PUB_IF} -d ${PUB_IP} -s ${DNS} -j cli_dns_in $IPT -A INPUT -i ${PUB_IF} -d ${PUB_IP} -s ${BR_NET} -j srv_https_in $IPT -A INPUT -i ${PUB_IF} -d ${PUB_IP} -s ${BR_NET} -j srv_ssh_in $IPT -A INPUT -i ${PUB_IF} -d ${PUB_IP} -s ${BR_NET} -j srv_git_in -#$IPT -A INPUT -i ${PUB_IF} -d ${PUB_IP} -s ${BR_NET} -j cli_http_in +$IPT -A INPUT -i ${PUB_IF} -d ${PUB_IP} -s ${BR_NET} -j cli_http_in - -$IPT -A INPUT -i ${PUB_IF} -d ${PUB_IP} -j srv_https_in $IPT -A INPUT -i ${PUB_IF} -d ${PUB_IP} -j cli_https_in +$IPT -A INPUT -i ${PUB_IF} -d ${PUB_IP} -j cli_http_in $IPT -A INPUT -i ${PUB_IF} -d ${PUB_IP} -j srv_ssh_in +$IPT -A INPUT -i ${PUB_IF} -d ${PUB_IP} -j srv_https_in +$IPT -A INPUT -i ${PUB_IF} -d ${PUB_IP} -j srv_http_in $IPT -A INPUT -i ${PUB_IF} -d ${PUB_IP} -j srv_git_in +$IPT -A INPUT -i ${PUB_IF} -d ${PUB_IP} -j srv_ntp ####### Output Chain ###### $IPT -A OUTPUT -j blocker $IPT -A OUTPUT -o ${PUB_IF} -d ${DNS} -s ${PUB_IP} -j cli_dns_out -#$IPT -A OUTPUT -o ${PUB_IF} -d ${BR_NET} -s ${PUB_IP} -j cli_http_out +$IPT -A OUTPUT -o ${PUB_IF} -d ${BR_NET} -s ${PUB_IP} -j cli_http_out $IPT -A OUTPUT -o ${PUB_IF} -d ${BR_NET} -s ${PUB_IP} -j srv_https_out $IPT -A OUTPUT -o ${PUB_IF} -d ${BR_NET} -s ${PUB_IP} -j srv_ssh_out $IPT -A OUTPUT -o ${PUB_IF} -d ${BR_NET} -s ${PUB_IP} -j srv_git_out $IPT -A OUTPUT -o ${PUB_IF} -s ${PUB_IP} -j cli_https_out -$IPT -A OUTPUT -o ${PUB_IF} -s ${PUB_IP} -j srv_https_out +$IPT -A OUTPUT -o ${PUB_IF} -s ${PUB_IP} -j cli_http_out -$IPT -A OUTPUT -o ${PUB_IF} -d ${BR_NET} -j srv_ssh_out -$IPT -A OUTPUT -o ${PUB_IF} -d ${BR_NET} -j srv_git_out +$IPT -A OUTPUT -o ${PUB_IF} -s ${PUB_IP} -j srv_https_out +$IPT -A OUTPUT -o ${PUB_IF} -s ${PUB_IP} -j srv_http_out +$IPT -A OUTPUT -o ${PUB_IF} -s ${PUB_IP} -j srv_ssh_out +$IPT -A OUTPUT -o ${PUB_IF} -s ${PUB_IP} -j srv_git_out +$IPT -A OUTPUT -o ${PUB_IF} -s ${PUB_IP} -j srv_ntp ## log everything else and drop ipt_log |