From f905c797c8f2ec87a8aa641a44c49fc1d0a23ebe Mon Sep 17 00:00:00 2001 From: Silvino Date: Sat, 8 Jun 2019 01:49:10 +0100 Subject: core network better iptables documentation --- core/conf/iptables/ipt-bridge.sh | 6 +- core/conf/iptables/ipt-open.sh | 47 +++++++++ core/conf/iptables/ipt-server.sh | 13 ++- core/conf/iptables/open.v4 | 210 +++++++++++++++++++++++++++++++++++++++ core/conf/iptables/server.v4 | 204 +++++++++++++++++++++++++++++++++++++ core/conf/rc.d/iptables | 110 ++++++++------------ core/index.html | 1 + core/network.html | 191 ++++++++--------------------------- 8 files changed, 557 insertions(+), 225 deletions(-) create mode 100644 core/conf/iptables/ipt-open.sh create mode 100644 core/conf/iptables/open.v4 create mode 100644 core/conf/iptables/server.v4 (limited to 'core') diff --git a/core/conf/iptables/ipt-bridge.sh b/core/conf/iptables/ipt-bridge.sh index a54cbf2..cd93687 100644 --- a/core/conf/iptables/ipt-bridge.sh +++ b/core/conf/iptables/ipt-bridge.sh @@ -1,7 +1,7 @@ #!/bin/bash echo "setting bridge network..." -source /etc/iptables/ipt-conf.sh -source /etc/iptables/ipt-firewall.sh +source ipt-conf.sh +source ipt-firewall.sh ipt_clear ipt_tables @@ -133,4 +133,4 @@ $IPT -A OUTPUT -o ${BR_IF} -s ${PUB_IP} -j cli_http_out ## log everything else and drop ipt_log -iptables-save > /etc/iptables/bridge.v4 +iptables-save > bridge.v4 diff --git a/core/conf/iptables/ipt-open.sh b/core/conf/iptables/ipt-open.sh new file mode 100644 index 0000000..3ef1254 --- /dev/null +++ b/core/conf/iptables/ipt-open.sh @@ -0,0 +1,47 @@ +#!/bin/bash + +echo "setting client network..." +source ipt-conf.sh +source ipt-firewall.sh +ipt_clear +ipt_tables + +# Unlimited on loopback +$IPT -A INPUT -i lo -s 127.0.0.0/8 -d 127.0.0.0/8 -j ACCEPT +$IPT -A OUTPUT -o lo -s 127.0.0.0/8 -d 127.0.0.0/8 -j ACCEPT + +####### Input Chain ###### +$IPT -A INPUT -j blocker + +$IPT -A INPUT -i ${PUB_IF} -j cli_dns_in +$IPT -A INPUT -i ${PUB_IF} -j cli_http_in +$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 ${PUB_IF} -j cli_pops_in +$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 ${PUB_IF} -j cli_gpg_in + + +####### Output Chain ###### +$IPT -A OUTPUT -j blocker + +$IPT -A OUTPUT -o ${PUB_IF} -j cli_dns_out +$IPT -A OUTPUT -o ${PUB_IF} -j cli_https_out +$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 ${PUB_IF} -j cli_pops_out +$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 + +## log everything else and drop +ipt_log + +iptables-save > open.v4 diff --git a/core/conf/iptables/ipt-server.sh b/core/conf/iptables/ipt-server.sh index 027cd11..370db60 100644 --- a/core/conf/iptables/ipt-server.sh +++ b/core/conf/iptables/ipt-server.sh @@ -1,15 +1,14 @@ -echo "setting server network..." -source /etc/iptables/ipt-conf.sh -source /etc/iptables/ipt-firewall.sh +echo "setting server iptables ..." +source ipt-conf.sh +source ipt-firewall.sh ipt_clear 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 OUTPUT -o lo -s ${PUB_IP} -d 10.255.255.255 -j ACCEPT +#$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 @@ -44,4 +43,4 @@ $IPT -A OUTPUT -o ${PUB_IF} -d ${BR_NET} -j srv_git_out ## log everything else and drop ipt_log -iptables-save > /etc/iptables/server.v4 +iptables-save > server.v4 diff --git a/core/conf/iptables/open.v4 b/core/conf/iptables/open.v4 new file mode 100644 index 0000000..30e476d --- /dev/null +++ b/core/conf/iptables/open.v4 @@ -0,0 +1,210 @@ +# Generated by iptables-save v1.8.2 on Sat Jun 8 23:05:15 2019 +*security +:INPUT ACCEPT [0:0] +:FORWARD ACCEPT [0:0] +:OUTPUT ACCEPT [0:0] +COMMIT +# Completed on Sat Jun 8 23:05:15 2019 +# Generated by iptables-save v1.8.2 on Sat Jun 8 23:05:15 2019 +*raw +:PREROUTING ACCEPT [0:0] +:OUTPUT ACCEPT [0:0] +COMMIT +# Completed on Sat Jun 8 23:05:15 2019 +# Generated by iptables-save v1.8.2 on Sat Jun 8 23:05:15 2019 +*nat +:PREROUTING ACCEPT [0:0] +:INPUT ACCEPT [0:0] +:OUTPUT ACCEPT [0:0] +:POSTROUTING ACCEPT [0:0] +COMMIT +# Completed on Sat Jun 8 23:05:15 2019 +# Generated by iptables-save v1.8.2 on Sat Jun 8 23:05:15 2019 +*mangle +:PREROUTING ACCEPT [0:0] +:INPUT ACCEPT [0:0] +:FORWARD ACCEPT [0:0] +:OUTPUT ACCEPT [0:0] +:POSTROUTING ACCEPT [0:0] +COMMIT +# Completed on Sat Jun 8 23:05:15 2019 +# Generated by iptables-save v1.8.2 on Sat Jun 8 23:05:15 2019 +*filter +:INPUT DROP [0:0] +:FORWARD DROP [0:0] +:OUTPUT DROP [0:0] +:blocker - [0:0] +:cli_dns_in - [0:0] +:cli_dns_out - [0:0] +:cli_ftp_in - [0:0] +:cli_ftp_out - [0:0] +:cli_git_in - [0:0] +:cli_git_out - [0:0] +:cli_gpg_in - [0:0] +:cli_gpg_out - [0:0] +:cli_http_in - [0:0] +:cli_http_out - [0:0] +:cli_https_in - [0:0] +:cli_https_out - [0:0] +:cli_irc_in - [0:0] +:cli_irc_out - [0:0] +:cli_pops_in - [0:0] +:cli_pops_out - [0:0] +:cli_smtps_in - [0:0] +:cli_smtps_out - [0:0] +:cli_ssh_in - [0:0] +:cli_ssh_out - [0:0] +:srv_db_in - [0:0] +:srv_db_out - [0:0] +:srv_dhcp - [0:0] +:srv_dns_in - [0:0] +:srv_dns_out - [0:0] +:srv_git_in - [0:0] +:srv_git_out - [0:0] +:srv_http_in - [0:0] +:srv_http_out - [0:0] +:srv_https_in - [0:0] +:srv_https_out - [0:0] +:srv_icmp - [0:0] +:srv_rip - [0:0] +:srv_ssh_in - [0:0] +:srv_ssh_out - [0:0] +-A INPUT -s 127.0.0.0/8 -d 127.0.0.0/8 -i lo -j ACCEPT +-A INPUT -j blocker +-A INPUT -i wlp9s0 -j cli_dns_in +-A INPUT -i wlp9s0 -j cli_http_in +-A INPUT -i wlp9s0 -j cli_https_in +-A INPUT -i wlp9s0 -j cli_git_in +-A INPUT -i wlp9s0 -j cli_ssh_in +-A INPUT -i wlp9s0 -j srv_icmp +-A INPUT -i wlp9s0 -j cli_pops_in +-A INPUT -i wlp9s0 -j cli_smtps_in +-A INPUT -i wlp9s0 -j cli_irc_in +-A INPUT -i wlp9s0 -j cli_ftp_in +-A INPUT -i wlp9s0 -j cli_gpg_in +-A INPUT -j LOG --log-prefix "iptables: INPUT: " --log-level 7 +-A FORWARD -j LOG --log-prefix "iptables: FORWARD: " --log-level 7 +-A OUTPUT -s 127.0.0.0/8 -d 127.0.0.0/8 -o lo -j ACCEPT +-A OUTPUT -j blocker +-A OUTPUT -o wlp9s0 -j cli_dns_out +-A OUTPUT -o wlp9s0 -j cli_https_out +-A OUTPUT -o wlp9s0 -j cli_ssh_out +-A OUTPUT -o wlp9s0 -j cli_git_out +-A OUTPUT -o wlp9s0 -j cli_git_out +-A OUTPUT -o wlp9s0 -j srv_icmp +-A OUTPUT -o wlp9s0 -j cli_pops_out +-A OUTPUT -o wlp9s0 -j cli_smtps_out +-A OUTPUT -o wlp9s0 -j cli_irc_out +-A OUTPUT -o wlp9s0 -j cli_ftp_out +-A OUTPUT -o wlp9s0 -j cli_gpg_out +-A OUTPUT -j LOG --log-prefix "iptables: OUTPUT: " --log-level 7 +-A blocker -p tcp -m tcp ! --tcp-flags FIN,SYN,RST,ACK SYN -m state --state NEW -m limit --limit 5/min --limit-burst 7 -j LOG --log-prefix "iptables: drop sync: " --log-level 7 +-A blocker -p tcp -m tcp ! --tcp-flags FIN,SYN,RST,ACK SYN -m state --state NEW -j DROP +-A blocker -f -m limit --limit 5/min --limit-burst 7 -j LOG --log-prefix "iptables: drop frag: " +-A blocker -f -j DROP +-A blocker -p tcp -m tcp --tcp-flags FIN,SYN,RST,PSH,ACK,URG FIN,PSH,URG -j DROP +-A blocker -p tcp -m tcp --tcp-flags FIN,SYN,RST,PSH,ACK,URG FIN,SYN,RST,PSH,ACK,URG -j DROP +-A blocker -p tcp -m tcp --tcp-flags FIN,SYN,RST,PSH,ACK,URG NONE -m limit --limit 5/min --limit-burst 7 -j LOG --log-prefix "iptables: drop null: " +-A blocker -p tcp -m tcp --tcp-flags FIN,SYN,RST,PSH,ACK,URG NONE -j DROP +-A blocker -p tcp -m tcp --tcp-flags SYN,RST SYN,RST -m limit --limit 5/min --limit-burst 7 -j LOG --log-prefix "iptables: drop syn rst syn rs" +-A blocker -p tcp -m tcp --tcp-flags SYN,RST SYN,RST -j DROP +-A blocker -p tcp -m tcp --tcp-flags FIN,SYN FIN,SYN -m limit --limit 5/min --limit-burst 7 -j LOG --log-prefix "iptables: drop xmas: " +-A blocker -p tcp -m tcp --tcp-flags FIN,SYN FIN,SYN -j DROP +-A blocker -p tcp -m tcp --tcp-flags FIN,ACK FIN -m limit --limit 5/min --limit-burst 7 -j LOG --log-prefix "iptables: drop fin scan: " +-A blocker -p tcp -m tcp --tcp-flags FIN,ACK FIN -j DROP +-A blocker -p tcp -m tcp --tcp-flags FIN,SYN,RST,PSH,ACK,URG FIN,SYN,RST,ACK,URG -j DROP +-A blocker -j RETURN +-A cli_dns_in -p udp -m udp --sport 53 --dport 1024:65535 -j ACCEPT +-A cli_dns_in -j RETURN +-A cli_dns_out -p udp -m udp --sport 1024:65535 --dport 53 -j ACCEPT +-A cli_dns_out -j RETURN +-A cli_ftp_in -p tcp -m tcp --sport 21 --dport 1024:65535 -m state --state ESTABLISHED -j ACCEPT +-A cli_ftp_in -p tcp -m tcp --sport 20 --dport 1024:65535 -m state --state RELATED,ESTABLISHED -j ACCEPT +-A cli_ftp_in -p tcp -m tcp --sport 1024:65535 --dport 1024:65535 -m state --state ESTABLISHED -j ACCEPT +-A cli_ftp_in -j RETURN +-A cli_ftp_out -p tcp -m tcp --sport 1024:65535 --dport 21 -m state --state NEW,ESTABLISHED -j ACCEPT +-A cli_ftp_out -p tcp -m tcp --sport 1024:65535 --dport 20 -m state --state ESTABLISHED -j ACCEPT +-A cli_ftp_out -p tcp -m tcp --sport 1024:65535 --dport 1024:65535 -m state --state RELATED,ESTABLISHED -j ACCEPT +-A cli_ftp_out -j RETURN +-A cli_git_in -p tcp -m tcp --sport 9418 --dport 1024:65535 -m state --state ESTABLISHED -j ACCEPT +-A cli_git_in -j RETURN +-A cli_git_out -p tcp -m tcp --sport 1024:65535 --dport 9418 -m state --state NEW,ESTABLISHED -j ACCEPT +-A cli_git_out -j RETURN +-A cli_gpg_in -p tcp -m tcp --sport 11371 --dport 1024:65535 -m state --state ESTABLISHED -j ACCEPT +-A cli_gpg_in -j RETURN +-A cli_gpg_out -p tcp -m tcp --sport 1024:65535 --dport 11371 -m state --state NEW,ESTABLISHED -j ACCEPT +-A cli_gpg_out -j RETURN +-A cli_http_in -p tcp -m tcp --sport 80 --dport 1024:65535 -m state --state ESTABLISHED -j ACCEPT +-A cli_http_in -p udp -m udp --sport 80 --dport 1024:65535 -m state --state ESTABLISHED -j ACCEPT +-A cli_http_in -j RETURN +-A cli_http_out -p tcp -m tcp --sport 1024:65535 --dport 80 -m state --state NEW,ESTABLISHED -j ACCEPT +-A cli_http_out -p udp -m udp --sport 1024:65535 --dport 80 -m state --state NEW,ESTABLISHED -j ACCEPT +-A cli_http_out -j RETURN +-A cli_https_in -p tcp -m tcp --sport 443 --dport 1024:65535 -m state --state ESTABLISHED -j ACCEPT +-A cli_https_in -p udp -m udp --sport 443 --dport 1024:65535 -m state --state ESTABLISHED -j ACCEPT +-A cli_https_in -j RETURN +-A cli_https_out -p tcp -m tcp --sport 1024:65535 --dport 443 -m state --state NEW,ESTABLISHED -j ACCEPT +-A cli_https_out -p udp -m udp --sport 1024:65535 --dport 443 -m state --state NEW,ESTABLISHED -j ACCEPT +-A cli_https_out -j RETURN +-A cli_irc_in -p tcp -m tcp --sport 6667 --dport 1024:65535 -m state --state ESTABLISHED -j ACCEPT +-A cli_irc_in -j RETURN +-A cli_irc_out -p tcp -m tcp --sport 1024:65535 --dport 6667 -m state --state NEW,ESTABLISHED -j ACCEPT +-A cli_irc_out -j RETURN +-A cli_pops_in -p tcp -m tcp --sport 995 --dport 1024:65535 -m state --state ESTABLISHED -j ACCEPT +-A cli_pops_in -j RETURN +-A cli_pops_out -p tcp -m tcp --sport 1024:65535 --dport 995 -m state --state NEW,ESTABLISHED -j ACCEPT +-A cli_pops_out -j RETURN +-A cli_smtps_in -p tcp -m tcp --sport 465 --dport 1024:65535 -m state --state ESTABLISHED -j ACCEPT +-A cli_smtps_in -j RETURN +-A cli_smtps_out -p tcp -m tcp --sport 1024:65535 --dport 465 -m state --state NEW,ESTABLISHED -j ACCEPT +-A cli_smtps_out -j RETURN +-A cli_ssh_in -p tcp -m tcp --sport 2222 --dport 1024:65535 -m state --state ESTABLISHED -j ACCEPT +-A cli_ssh_in -p tcp -m tcp --sport 22 --dport 1024:65535 -m state --state ESTABLISHED -j ACCEPT +-A cli_ssh_in -j RETURN +-A cli_ssh_out -p tcp -m tcp --sport 1024:65535 --dport 2222 -m state --state NEW,ESTABLISHED -j ACCEPT +-A cli_ssh_out -p tcp -m tcp --sport 1024:65535 --dport 22 -m state --state NEW,ESTABLISHED -j ACCEPT +-A cli_ssh_out -j RETURN +-A srv_db_in -p tcp -m tcp --sport 1024:65535 --dport 5432 -m state --state NEW,ESTABLISHED -j ACCEPT +-A srv_db_in -j RETURN +-A srv_db_out -p tcp -m tcp --sport 5432 --dport 1024:65535 -m state --state ESTABLISHED -j ACCEPT +-A srv_db_out -j RETURN +-A srv_dhcp -p udp -m udp --sport 68 --dport 67 -j ACCEPT +-A srv_dhcp -p udp -m udp --sport 67 --dport 68 -j ACCEPT +-A srv_dhcp -p udp -m udp --sport 67 --dport 67 -j ACCEPT +-A srv_dhcp -j RETURN +-A srv_dns_in -p udp -m udp --sport 1024:65535 --dport 53 -m state --state NEW,ESTABLISHED -j ACCEPT +-A srv_dns_in -p tcp -m tcp --sport 1024:65535 --dport 53 -m state --state NEW,ESTABLISHED -j ACCEPT +-A srv_dns_in -j RETURN +-A srv_dns_out -p udp -m udp --sport 53 --dport 1024:65535 -m state --state RELATED,ESTABLISHED -j ACCEPT +-A srv_dns_out -p tcp -m tcp --sport 53 --dport 1024:65535 -m state --state RELATED,ESTABLISHED -j ACCEPT +-A srv_dns_out -j RETURN +-A srv_git_in -p tcp -m tcp --sport 1024:65535 --dport 9418 -m state --state NEW,ESTABLISHED -j ACCEPT +-A srv_git_in -j RETURN +-A srv_git_out -p tcp -m tcp --sport 9418 --dport 1024:65535 -m state --state RELATED,ESTABLISHED -j ACCEPT +-A srv_git_out -j RETURN +-A srv_http_in -p tcp -m tcp --sport 1024:65535 --dport 80 -m state --state NEW,ESTABLISHED -j ACCEPT +-A srv_http_in -j RETURN +-A srv_http_out -p tcp -m tcp --sport 80 --dport 1024:65535 -m state --state RELATED,ESTABLISHED -j ACCEPT +-A srv_http_out -j RETURN +-A srv_https_in -p tcp -m tcp --sport 1024:65535 --dport 443 -m state --state NEW,ESTABLISHED -j ACCEPT +-A srv_https_in -j RETURN +-A srv_https_out -p tcp -m tcp --sport 443 --dport 1024:65535 -m state --state RELATED,ESTABLISHED -j ACCEPT +-A srv_https_out -j RETURN +-A srv_icmp -p icmp -j ACCEPT +-A srv_icmp -j RETURN +-A srv_rip -p udp -m udp --sport 520 --dport 520 -j ACCEPT +-A srv_rip -j RETURN +-A srv_ssh_in -p tcp -m tcp --dport 2222 -m state --state NEW -m recent --set --name SSH --mask 255.255.255.255 --rsource -j ACCEPT +-A srv_ssh_in -p tcp -m tcp --dport 2222 -m recent --update --seconds 60 --hitcount 4 --rttl --name SSH --mask 255.255.255.255 --rsource -j LOG --log-prefix "BLOCKED IP DROP SSH" +-A srv_ssh_in -p tcp -m tcp --dport 2222 -m recent --update --seconds 60 --hitcount 4 --rttl --name SSH --mask 255.255.255.255 --rsource -j DROP +-A srv_ssh_in -p tcp -m tcp --sport 1024:65535 --dport 2222 -m state --state ESTABLISHED -j ACCEPT +-A srv_ssh_in -p tcp -m tcp --dport 22 -m state --state NEW -m recent --set --name SSH --mask 255.255.255.255 --rsource -j ACCEPT +-A srv_ssh_in -p tcp -m tcp --dport 22 -m recent --update --seconds 60 --hitcount 4 --rttl --name SSH --mask 255.255.255.255 --rsource -j LOG --log-prefix "BLOCKED IP DROP SSH" +-A srv_ssh_in -p tcp -m tcp --dport 22 -m recent --update --seconds 60 --hitcount 4 --rttl --name SSH --mask 255.255.255.255 --rsource -j DROP +-A srv_ssh_in -p tcp -m tcp --sport 1024:65535 --dport 22 -m state --state ESTABLISHED -j ACCEPT +-A srv_ssh_in -j RETURN +-A srv_ssh_out -p tcp -m tcp --sport 2222 --dport 1024:65535 -m state --state ESTABLISHED -j ACCEPT +-A srv_ssh_out -p tcp -m tcp --sport 22 --dport 1024:65535 -m state --state ESTABLISHED -j ACCEPT +-A srv_ssh_out -j RETURN +COMMIT +# Completed on Sat Jun 8 23:05:15 2019 diff --git a/core/conf/iptables/server.v4 b/core/conf/iptables/server.v4 new file mode 100644 index 0000000..ed202ee --- /dev/null +++ b/core/conf/iptables/server.v4 @@ -0,0 +1,204 @@ +# Generated by iptables-save v1.8.2 on Sat Jun 8 19:50:25 2019 +*security +:INPUT ACCEPT [0:0] +:FORWARD ACCEPT [0:0] +:OUTPUT ACCEPT [0:0] +COMMIT +# Completed on Sat Jun 8 19:50:25 2019 +# Generated by iptables-save v1.8.2 on Sat Jun 8 19:50:25 2019 +*raw +:PREROUTING ACCEPT [0:0] +:OUTPUT ACCEPT [0:0] +COMMIT +# Completed on Sat Jun 8 19:50:25 2019 +# Generated by iptables-save v1.8.2 on Sat Jun 8 19:50:25 2019 +*nat +:PREROUTING ACCEPT [0:0] +:INPUT ACCEPT [0:0] +:OUTPUT ACCEPT [0:0] +:POSTROUTING ACCEPT [0:0] +COMMIT +# Completed on Sat Jun 8 19:50:25 2019 +# Generated by iptables-save v1.8.2 on Sat Jun 8 19:50:25 2019 +*mangle +:PREROUTING ACCEPT [0:0] +:INPUT ACCEPT [0:0] +:FORWARD ACCEPT [0:0] +:OUTPUT ACCEPT [0:0] +:POSTROUTING ACCEPT [0:0] +COMMIT +# Completed on Sat Jun 8 19:50:25 2019 +# Generated by iptables-save v1.8.2 on Sat Jun 8 19:50:25 2019 +*filter +:INPUT DROP [0:0] +:FORWARD DROP [0:0] +:OUTPUT DROP [0:0] +:blocker - [0:0] +:cli_dns_in - [0:0] +:cli_dns_out - [0:0] +:cli_ftp_in - [0:0] +:cli_ftp_out - [0:0] +:cli_git_in - [0:0] +:cli_git_out - [0:0] +:cli_gpg_in - [0:0] +:cli_gpg_out - [0:0] +:cli_http_in - [0:0] +:cli_http_out - [0:0] +:cli_https_in - [0:0] +:cli_https_out - [0:0] +:cli_irc_in - [0:0] +:cli_irc_out - [0:0] +:cli_pops_in - [0:0] +:cli_pops_out - [0:0] +:cli_smtps_in - [0:0] +:cli_smtps_out - [0:0] +:cli_ssh_in - [0:0] +:cli_ssh_out - [0:0] +:srv_db_in - [0:0] +:srv_db_out - [0:0] +:srv_dhcp - [0:0] +:srv_dns_in - [0:0] +:srv_dns_out - [0:0] +:srv_git_in - [0:0] +:srv_git_out - [0:0] +:srv_http_in - [0:0] +:srv_http_out - [0:0] +:srv_https_in - [0:0] +:srv_https_out - [0:0] +:srv_icmp - [0:0] +:srv_rip - [0:0] +:srv_ssh_in - [0:0] +:srv_ssh_out - [0:0] +-A INPUT -s 127.0.0.0/8 -d 127.0.0.0/8 -i lo -j ACCEPT +-A INPUT -j blocker +-A INPUT -s 212.55.154.174/32 -d 10.0.0.254/32 -i enp8s0 -j cli_dns_in +-A INPUT -s 10.0.0.0/8 -d 10.0.0.254/32 -i enp8s0 -j srv_https_in +-A INPUT -s 10.0.0.0/8 -d 10.0.0.254/32 -i enp8s0 -j srv_ssh_in +-A INPUT -s 10.0.0.0/8 -d 10.0.0.254/32 -i enp8s0 -j srv_git_in +-A INPUT -d 10.0.0.254/32 -i enp8s0 -j srv_https_in +-A INPUT -d 10.0.0.254/32 -i enp8s0 -j cli_https_in +-A INPUT -d 10.0.0.254/32 -i enp8s0 -j srv_ssh_in +-A INPUT -d 10.0.0.254/32 -i enp8s0 -j srv_git_in +-A INPUT -j LOG --log-prefix "iptables: INPUT: " --log-level 7 +-A FORWARD -j LOG --log-prefix "iptables: FORWARD: " --log-level 7 +-A OUTPUT -s 127.0.0.0/8 -d 127.0.0.0/8 -o lo -j ACCEPT +-A OUTPUT -j blocker +-A OUTPUT -s 10.0.0.254/32 -d 212.55.154.174/32 -o enp8s0 -j cli_dns_out +-A OUTPUT -s 10.0.0.254/32 -d 10.0.0.0/8 -o enp8s0 -j srv_https_out +-A OUTPUT -s 10.0.0.254/32 -d 10.0.0.0/8 -o enp8s0 -j srv_ssh_out +-A OUTPUT -s 10.0.0.254/32 -d 10.0.0.0/8 -o enp8s0 -j srv_git_out +-A OUTPUT -s 10.0.0.254/32 -o enp8s0 -j cli_https_out +-A OUTPUT -s 10.0.0.254/32 -o enp8s0 -j srv_https_out +-A OUTPUT -d 10.0.0.0/8 -o enp8s0 -j srv_ssh_out +-A OUTPUT -d 10.0.0.0/8 -o enp8s0 -j srv_git_out +-A OUTPUT -j LOG --log-prefix "iptables: OUTPUT: " --log-level 7 +-A blocker -p tcp -m tcp ! --tcp-flags FIN,SYN,RST,ACK SYN -m state --state NEW -m limit --limit 5/min --limit-burst 7 -j LOG --log-prefix "iptables: drop sync: " --log-level 7 +-A blocker -p tcp -m tcp ! --tcp-flags FIN,SYN,RST,ACK SYN -m state --state NEW -j DROP +-A blocker -f -m limit --limit 5/min --limit-burst 7 -j LOG --log-prefix "iptables: drop frag: " +-A blocker -f -j DROP +-A blocker -p tcp -m tcp --tcp-flags FIN,SYN,RST,PSH,ACK,URG FIN,PSH,URG -j DROP +-A blocker -p tcp -m tcp --tcp-flags FIN,SYN,RST,PSH,ACK,URG FIN,SYN,RST,PSH,ACK,URG -j DROP +-A blocker -p tcp -m tcp --tcp-flags FIN,SYN,RST,PSH,ACK,URG NONE -m limit --limit 5/min --limit-burst 7 -j LOG --log-prefix "iptables: drop null: " +-A blocker -p tcp -m tcp --tcp-flags FIN,SYN,RST,PSH,ACK,URG NONE -j DROP +-A blocker -p tcp -m tcp --tcp-flags SYN,RST SYN,RST -m limit --limit 5/min --limit-burst 7 -j LOG --log-prefix "iptables: drop syn rst syn rs" +-A blocker -p tcp -m tcp --tcp-flags SYN,RST SYN,RST -j DROP +-A blocker -p tcp -m tcp --tcp-flags FIN,SYN FIN,SYN -m limit --limit 5/min --limit-burst 7 -j LOG --log-prefix "iptables: drop xmas: " +-A blocker -p tcp -m tcp --tcp-flags FIN,SYN FIN,SYN -j DROP +-A blocker -p tcp -m tcp --tcp-flags FIN,ACK FIN -m limit --limit 5/min --limit-burst 7 -j LOG --log-prefix "iptables: drop fin scan: " +-A blocker -p tcp -m tcp --tcp-flags FIN,ACK FIN -j DROP +-A blocker -p tcp -m tcp --tcp-flags FIN,SYN,RST,PSH,ACK,URG FIN,SYN,RST,ACK,URG -j DROP +-A blocker -j RETURN +-A cli_dns_in -p udp -m udp --sport 53 --dport 1024:65535 -j ACCEPT +-A cli_dns_in -j RETURN +-A cli_dns_out -p udp -m udp --sport 1024:65535 --dport 53 -j ACCEPT +-A cli_dns_out -j RETURN +-A cli_ftp_in -p tcp -m tcp --sport 21 --dport 1024:65535 -m state --state ESTABLISHED -j ACCEPT +-A cli_ftp_in -p tcp -m tcp --sport 20 --dport 1024:65535 -m state --state RELATED,ESTABLISHED -j ACCEPT +-A cli_ftp_in -p tcp -m tcp --sport 1024:65535 --dport 1024:65535 -m state --state ESTABLISHED -j ACCEPT +-A cli_ftp_in -j RETURN +-A cli_ftp_out -p tcp -m tcp --sport 1024:65535 --dport 21 -m state --state NEW,ESTABLISHED -j ACCEPT +-A cli_ftp_out -p tcp -m tcp --sport 1024:65535 --dport 20 -m state --state ESTABLISHED -j ACCEPT +-A cli_ftp_out -p tcp -m tcp --sport 1024:65535 --dport 1024:65535 -m state --state RELATED,ESTABLISHED -j ACCEPT +-A cli_ftp_out -j RETURN +-A cli_git_in -p tcp -m tcp --sport 9418 --dport 1024:65535 -m state --state ESTABLISHED -j ACCEPT +-A cli_git_in -j RETURN +-A cli_git_out -p tcp -m tcp --sport 1024:65535 --dport 9418 -m state --state NEW,ESTABLISHED -j ACCEPT +-A cli_git_out -j RETURN +-A cli_gpg_in -p tcp -m tcp --sport 11371 --dport 1024:65535 -m state --state ESTABLISHED -j ACCEPT +-A cli_gpg_in -j RETURN +-A cli_gpg_out -p tcp -m tcp --sport 1024:65535 --dport 11371 -m state --state NEW,ESTABLISHED -j ACCEPT +-A cli_gpg_out -j RETURN +-A cli_http_in -p tcp -m tcp --sport 80 --dport 1024:65535 -m state --state ESTABLISHED -j ACCEPT +-A cli_http_in -p udp -m udp --sport 80 --dport 1024:65535 -m state --state ESTABLISHED -j ACCEPT +-A cli_http_in -j RETURN +-A cli_http_out -p tcp -m tcp --sport 1024:65535 --dport 80 -m state --state NEW,ESTABLISHED -j ACCEPT +-A cli_http_out -p udp -m udp --sport 1024:65535 --dport 80 -m state --state NEW,ESTABLISHED -j ACCEPT +-A cli_http_out -j RETURN +-A cli_https_in -p tcp -m tcp --sport 443 --dport 1024:65535 -m state --state ESTABLISHED -j ACCEPT +-A cli_https_in -p udp -m udp --sport 443 --dport 1024:65535 -m state --state ESTABLISHED -j ACCEPT +-A cli_https_in -j RETURN +-A cli_https_out -p tcp -m tcp --sport 1024:65535 --dport 443 -m state --state NEW,ESTABLISHED -j ACCEPT +-A cli_https_out -p udp -m udp --sport 1024:65535 --dport 443 -m state --state NEW,ESTABLISHED -j ACCEPT +-A cli_https_out -j RETURN +-A cli_irc_in -p tcp -m tcp --sport 6667 --dport 1024:65535 -m state --state ESTABLISHED -j ACCEPT +-A cli_irc_in -j RETURN +-A cli_irc_out -p tcp -m tcp --sport 1024:65535 --dport 6667 -m state --state NEW,ESTABLISHED -j ACCEPT +-A cli_irc_out -j RETURN +-A cli_pops_in -p tcp -m tcp --sport 995 --dport 1024:65535 -m state --state ESTABLISHED -j ACCEPT +-A cli_pops_in -j RETURN +-A cli_pops_out -p tcp -m tcp --sport 1024:65535 --dport 995 -m state --state NEW,ESTABLISHED -j ACCEPT +-A cli_pops_out -j RETURN +-A cli_smtps_in -p tcp -m tcp --sport 465 --dport 1024:65535 -m state --state ESTABLISHED -j ACCEPT +-A cli_smtps_in -j RETURN +-A cli_smtps_out -p tcp -m tcp --sport 1024:65535 --dport 465 -m state --state NEW,ESTABLISHED -j ACCEPT +-A cli_smtps_out -j RETURN +-A cli_ssh_in -p tcp -m tcp --sport 2222 --dport 1024:65535 -m state --state ESTABLISHED -j ACCEPT +-A cli_ssh_in -p tcp -m tcp --sport 22 --dport 1024:65535 -m state --state ESTABLISHED -j ACCEPT +-A cli_ssh_in -j RETURN +-A cli_ssh_out -p tcp -m tcp --sport 1024:65535 --dport 2222 -m state --state NEW,ESTABLISHED -j ACCEPT +-A cli_ssh_out -p tcp -m tcp --sport 1024:65535 --dport 22 -m state --state NEW,ESTABLISHED -j ACCEPT +-A cli_ssh_out -j RETURN +-A srv_db_in -p tcp -m tcp --sport 1024:65535 --dport 5432 -m state --state NEW,ESTABLISHED -j ACCEPT +-A srv_db_in -j RETURN +-A srv_db_out -p tcp -m tcp --sport 5432 --dport 1024:65535 -m state --state ESTABLISHED -j ACCEPT +-A srv_db_out -j RETURN +-A srv_dhcp -p udp -m udp --sport 68 --dport 67 -j ACCEPT +-A srv_dhcp -p udp -m udp --sport 67 --dport 68 -j ACCEPT +-A srv_dhcp -p udp -m udp --sport 67 --dport 67 -j ACCEPT +-A srv_dhcp -j RETURN +-A srv_dns_in -p udp -m udp --sport 1024:65535 --dport 53 -m state --state NEW,ESTABLISHED -j ACCEPT +-A srv_dns_in -p tcp -m tcp --sport 1024:65535 --dport 53 -m state --state NEW,ESTABLISHED -j ACCEPT +-A srv_dns_in -j RETURN +-A srv_dns_out -p udp -m udp --sport 53 --dport 1024:65535 -m state --state RELATED,ESTABLISHED -j ACCEPT +-A srv_dns_out -p tcp -m tcp --sport 53 --dport 1024:65535 -m state --state RELATED,ESTABLISHED -j ACCEPT +-A srv_dns_out -j RETURN +-A srv_git_in -p tcp -m tcp --sport 1024:65535 --dport 9418 -m state --state NEW,ESTABLISHED -j ACCEPT +-A srv_git_in -j RETURN +-A srv_git_out -p tcp -m tcp --sport 9418 --dport 1024:65535 -m state --state RELATED,ESTABLISHED -j ACCEPT +-A srv_git_out -j RETURN +-A srv_http_in -p tcp -m tcp --sport 1024:65535 --dport 80 -m state --state NEW,ESTABLISHED -j ACCEPT +-A srv_http_in -j RETURN +-A srv_http_out -p tcp -m tcp --sport 80 --dport 1024:65535 -m state --state RELATED,ESTABLISHED -j ACCEPT +-A srv_http_out -j RETURN +-A srv_https_in -p tcp -m tcp --sport 1024:65535 --dport 443 -m state --state NEW,ESTABLISHED -j ACCEPT +-A srv_https_in -j RETURN +-A srv_https_out -p tcp -m tcp --sport 443 --dport 1024:65535 -m state --state RELATED,ESTABLISHED -j ACCEPT +-A srv_https_out -j RETURN +-A srv_icmp -p icmp -j ACCEPT +-A srv_icmp -j RETURN +-A srv_rip -p udp -m udp --sport 520 --dport 520 -j ACCEPT +-A srv_rip -j RETURN +-A srv_ssh_in -p tcp -m tcp --dport 2222 -m state --state NEW -m recent --set --name SSH --mask 255.255.255.255 --rsource -j ACCEPT +-A srv_ssh_in -p tcp -m tcp --dport 2222 -m recent --update --seconds 60 --hitcount 4 --rttl --name SSH --mask 255.255.255.255 --rsource -j LOG --log-prefix "BLOCKED IP DROP SSH" +-A srv_ssh_in -p tcp -m tcp --dport 2222 -m recent --update --seconds 60 --hitcount 4 --rttl --name SSH --mask 255.255.255.255 --rsource -j DROP +-A srv_ssh_in -p tcp -m tcp --sport 1024:65535 --dport 2222 -m state --state ESTABLISHED -j ACCEPT +-A srv_ssh_in -p tcp -m tcp --dport 22 -m state --state NEW -m recent --set --name SSH --mask 255.255.255.255 --rsource -j ACCEPT +-A srv_ssh_in -p tcp -m tcp --dport 22 -m recent --update --seconds 60 --hitcount 4 --rttl --name SSH --mask 255.255.255.255 --rsource -j LOG --log-prefix "BLOCKED IP DROP SSH" +-A srv_ssh_in -p tcp -m tcp --dport 22 -m recent --update --seconds 60 --hitcount 4 --rttl --name SSH --mask 255.255.255.255 --rsource -j DROP +-A srv_ssh_in -p tcp -m tcp --sport 1024:65535 --dport 22 -m state --state ESTABLISHED -j ACCEPT +-A srv_ssh_in -j RETURN +-A srv_ssh_out -p tcp -m tcp --sport 2222 --dport 1024:65535 -m state --state ESTABLISHED -j ACCEPT +-A srv_ssh_out -p tcp -m tcp --sport 22 --dport 1024:65535 -m state --state ESTABLISHED -j ACCEPT +-A srv_ssh_out -j RETURN +COMMIT +# Completed on Sat Jun 8 19:50:25 2019 diff --git a/core/conf/rc.d/iptables b/core/conf/rc.d/iptables index f8896cc..cc7c765 100644 --- a/core/conf/rc.d/iptables +++ b/core/conf/rc.d/iptables @@ -4,85 +4,59 @@ TYPE=bridge #TYPE=server #TYPE=open +echo "clear all iptables tables" + +${IPT} -F +${IPT} -X +${IPT} -t nat -F +${IPT} -t nat -X +${IPT} -t mangle -F +${IPT} -t mangle -X +${IPT} -t raw -F +${IPT} -t raw -X +${IPT} -t security -F +${IPT} -t security -X + +# Set Default Rules +${IPT} -P INPUT DROP +${IPT} -P FORWARD DROP +${IPT} -P OUTPUT DROP + +${IPT} -A INPUT -i lo -s 127.0.0.0/8 -d 127.0.0.0/8 -j ACCEPT +${IPT} -A OUTPUT -o lo -s 127.0.0.0/8 -d 127.0.0.0/8 -j ACCEPT case $1 in start) - echo "clear all iptables tables" + case $TYPE in + bridge) - ${IPT} -F - ${IPT} -X - ${IPT} -t nat -F - ${IPT} -t nat -X - ${IPT} -t mangle -F - ${IPT} -t mangle -X - ${IPT} -t raw -F - ${IPT} -t raw -X - ${IPT} -t security -F - ${IPT} -t security -X + echo "setting bridge network..." + echo 1 > /proc/sys/net/ipv4/ip_forward - # Set Default Rules - ${IPT} -P INPUT DROP - ${IPT} -P FORWARD DROP - ${IPT} -P OUTPUT DROP + ## load bridge configuration + iptables-restore /etc/iptables/bridge.v4 - ${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 + ;; + server) + echo "setting server network..." + ## load server configuration + iptables-restore /etc/iptables/server.v4 - case $TYPE in - bridge) - - echo "setting bridge ${BR_IF} network..." - echo 1 > /proc/sys/net/ipv4/ip_forward - - ## load bridge configuration - iptables-restore /etc/iptables/bridge.v4 - - ;; - server) - - ## load server configuration - iptables-restore /etc/iptables/server.v4 - - ;; - open) - - ## load client configuration - iptables-restore /etc/iptables/open.v4 - - ;; - - esac ;; - stop) - - echo "clear all iptables tables" - - ${IPT} -F - ${IPT} -X - ${IPT} -t nat -F - ${IPT} -t nat -X - ${IPT} -t mangle -F - ${IPT} -t mangle -X - ${IPT} -t raw -F - ${IPT} -t raw -X - ${IPT} -t security -F - ${IPT} -t security -X - - # Set Default Rules - ${IPT} -P INPUT DROP - ${IPT} -P FORWARD DROP - ${IPT} -P OUTPUT DROP + open) - ${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 + echo "setting client network..." + ## load client configuration + iptables-restore /etc/iptables/open.v4 ;; - restart) - $0 stop - $0 start - ;; + esac + ;; + stop) + + ;; *) - echo "Usage: $0 [start|stop|restart]" - ;; + echo "Usage: $0 [start|stop]" + ;; esac diff --git a/core/index.html b/core/index.html index 87330b1..d19f9e0 100644 --- a/core/index.html +++ b/core/index.html @@ -117,6 +117,7 @@
  • 2.3.2. Static ip
  • 2.3.3. Iptables
  • 2.3.4. Wpa and dhcpd
    • +
  • 2.3.5. NetworkManager
    • diff --git a/core/network.html b/core/network.html index 18dd220..c87acf9 100644 --- a/core/network.html +++ b/core/network.html @@ -9,7 +9,8 @@

    2.3. Network

    -

    Operation of the network can be handle with init scripts;

    +

    Operation of the network can be handle with init scripts or with + network manager;

    /etc/rc.d/iptables
    @@ -24,11 +25,13 @@
    Configure Wireless interface, launch wpa_supplicant to handle wireless authenticationand dynamic (dhcp) connection to router and add as default gateway.
    +
    /etc/rc.d/networkmanager
    +
    Use network manager to handle connections.
    -

    Choose wireless or net as connection to outside world and configure - /etc/rc.conf to run at startup, example - connecting using wireless interface;

    +

    Choose wireless (wlan), cable network (net) or network manager in + /etc/rc.conf to handle configuration of the + network at startup, example using network manager;

             #
@@ -40,7 +43,7 @@
         TIMEZONE="Europe/Lisbon"
         HOSTNAME=machine
         SYSLOG=sysklogd
-        SERVICES=(lo iptables wlan crond)
+        SERVICES=(lo iptables networkmanager crond)
 
         # End of file
    @@ -116,33 +119,7 @@

    For more information about firewall systems read arch wiki iptables - an nftables.

    - -

    To setup iptables rules a set of scripts is used, init script - /etc/rc.d/iptables - loads set of rules from file /etc/iptables/net.v4 at boot time. - Start option "open" option allows everything to outside - and blocks everything from outside, "stop" will block and log - everything. Setup init script and rules ;

    - - 
    -        # mkdir /etc/iptables
-        # cp core/conf/iptables/net.v4 /etc/iptables/
-        # cp core/conf/rc.d/iptables /etc/rc.d/
-        # chmod +x /etc/rc.d/iptables
-
    - -

    Change /etc/rc.conf and add iptables;

    - - 
    -        SERVICES=(iptables lo net crond)
-
    - -

    See current rules and packets counts;

    - - 
    -        # iptables -L -n -v | less
-
    + and nftables.

    Diagram of a package route throw iptables;

    @@ -286,135 +263,42 @@ -c, --set-counters packets bytes - -

    2.3.3.1. Iptable scripts

    - -

    /etc/rc.d/iptables sources - host configuration and create tables with rules that later are - used to match packages.

    +

    See current rules and packets counts;

    -        source /etc/iptables/ipt-conf.sh
-        source /etc/iptables/ipt-firewall.sh
-
-        case $1 in
-            start)
-                ipt_clear
-                ipt_tables
-                case $TYPE in
-                    bridge)
-
-                    ## load bridge configuration
-                    source /etc/iptables/ipt-bridge.sh
-
-                    ## log everything else and drop
-                    ipt_log
-
-                    iptables-save > /etc/iptables/bridge.v4
-                    ;;
-                    server)
-
-
-                    ## load server configuration
-                    source /etc/iptables/iptables-conf.sh
-
-                    ## log everything else and drop
-                    ipt_log
-
-                    iptables-save > /etc/iptables/server.v4
-                    ;;
-                esac
-                ;;
-            stop)
-
-                ipt_clear
-                ;;
-            restart)
-                $0 stop
-                $0 start
-                ;;
-            *)
-                echo "Usage: $0 [start|stop|restart]"
-                ;;
-        esac
+        # iptables -L -n -v | less
    -

    2.3.3.2. Server iptables

    +

    2.3.3.1. Iptable scripts

    -

    Adjust /etc/iptables/ipt-conf.sh - with your network configuration, edit /etc/iptables/ipt-server.sh matching rules with interfaces.

    +

    Scripts help to setup iptables rules so they can be saved using iptables-save + and later restored using iptables-restore utilities. Init script + /etc/rc.d/iptables + loads set of rules from /etc/iptables folder at boot time. + Start option "open" option allows everything to outside + and blocks new connections from outside, "stop" will block and log + everything.

    -

    Default configuration;

    +

    Setup init script and rules;

    -        echo "setting server network..."
-
-        # 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
-
-        ####### Input Chain ######
-        $IPT -A INPUT -j blocker
-
-        $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} -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 srv_ssh_in
-        $IPT -A INPUT -i ${PUB_IF} -d ${PUB_IP} -j srv_git_in
-
-        ####### 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 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} -d ${BR_NET} -j srv_ssh_out
-        $IPT -A OUTPUT -o ${PUB_IF} -d ${BR_NET} -j srv_git_out
+        # mkdir /etc/iptables
+        # cp core/conf/iptables/net.v4 /etc/iptables/
+        # cp core/conf/rc.d/iptables /etc/rc.d/
+        # chmod +x /etc/rc.d/iptables
    +

    Change /etc/rc.conf and add iptables;

    -        # bash core/scripts/iptables.sh
+        SERVICES=(iptables lo net crond)
    -

    2.3.3.3. Client iptables

    - -

    -

    2.3.3.4. Bridge iptables

    - - 
    -        $IPT -A FORWARD -j blocker
-        $IPT -A FORWARD -i lo -s 127.0.0.0/8 -d 127.0.0.0/8 -j ACCEPT
-        $IPT -A FORWARD -o lo -s 127.0.0.0/8 -d 127.0.0.0/8 -j ACCEPT
-
-        $IPT -A FORWARD -i ${BR_IF} -o ${BR_IF} -m physdev --physdev-in ${PUB_IF} --physdev-out tap2 -d ${BR_NET} -j srv_ssh_in
-        $IPT -A FORWARD -i ${BR_IF} -o ${BR_IF} -m physdev --physdev-in tap2 --physdev-out ${PUB_IF} -j srv_ssh_out
+        
    Change /etc/rc.d/iptables and define type; server, bridge or open.
    
 
-        $IPT -A FORWARD -i ${BR_IF} -o ${BR_IF} -m physdev --physdev-in ${PUB_IF} --physdev-out tap2 -j srv_https_in
-        $IPT -A FORWARD -i ${BR_IF} -o ${BR_IF} -m physdev --physdev-in tap2 --physdev-out ${PUB_IF} -j srv_https_out
-
-        $IPT -A FORWARD -i ${BR_IF} -o ${BR_IF} -m physdev --physdev-in ${PUB_IF} --physdev-out tap2 -j srv_rip
-
-        $IPT -A FORWARD -i ${BR_IF} -o ${BR_IF} -m physdev --physdev-in tap2 --physdev-out ${PUB_IF} -j srv_dhcp
-        $IPT -A FORWARD -i ${BR_IF} -o ${BR_IF} -m physdev --physdev-in ${PUB_IF} --physdev-out tap2 -j srv_dhcp
-
-        $IPT -A FORWARD -i ${BR_IF} -o ${BR_IF} -m physdev --physdev-in tap2 --physdev-out ${PUB_IF} -j cli_https_out
-        $IPT -A FORWARD -i ${BR_IF} -o ${BR_IF} -m physdev --physdev-in ${PUB_IF} --physdev-out tap2 -j cli_https_in
-
    +

    Adjust /etc/iptables/ipt-conf.sh + with your network configuration, and adjust + /etc/iptables/ipt-server.sh, /etc/iptables/ipt-bridge.sh, /etc/iptables/ipt-open.sh according with host necessities.

    2.3.4. Wpa and dhcpd

    @@ -503,11 +387,24 @@ > save_config +

    2.3.5. Network Manager

    + +

    List wifi networks;

    + + 
    +        nmcli device wifi list
+
    + +

    Connect to a wifi network;

    + + 
    +        nmcli device wifi connect "network name" password "network password"
+
    Core OS Index

    This is part of the Hive System Documentation. - Copyright (C) 2018 + Copyright (C) 2019 Hive Team. See the file Gnu Free Documentation License for copying conditions.

    -- cgit 1.4.1-2-gfad0