jcarr
/
wit-network-config
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

cleanup firewall rules and making unnumbered bgp rules a tad more restrictive

This commit is contained in:
toby 2018-10-21 23:08:58 +02:00
parent c7d116d1c1
commit d67b225792
1 changed files with 10 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

18
files/firewall
View File

@ -17,7 +17,7 @@ case $1 in
### IPv4
iptables -P INPUT ACCEPT
iptables -F INPUT
#unencrypted traffic
## unencrypted traffic
iptables -A INPUT -p esp -j ACCEPT # ipsec
iptables -A INPUT -p udp --dport 500 --sport 500 -j ACCEPT # ipsec
iptables -A INPUT -p udp --dport 4500 --sport 4500 -j ACCEPT # ipsec
@ -25,17 +25,17 @@ case $1 in
iptables -A INPUT -s 170.199.217.0 -p udp --sport 53 -j ACCEPT # dns replies from bastion
iptables -A INPUT -s 170.199.216.1 -p tcp --sport 2379 -j ACCEPT # etcd replies stackapi
iptables -A INPUT -s 170.199.210.99 -p tcp --sport 443 -j ACCEPT # mirrors.wit.com
iptables -A INPUT -p icmp -j ACCEPT
iptables -A INPUT -i lo -m multiport -p tcp --sports 6800:7300 -j ACCEPT # local ceph traffic
iptables -A INPUT -i lo -m multiport -p tcp --dports 6800:7300 -j ACCEPT # local ceph traffic
#traffic we want to see encrypted over the VPN
iptables -A INPUT -p icmp -j ACCEPT
## traffic we want to see encrypted over the VPN
iptables -A INPUT -m policy --pol ipsec --dir in -p udp --dport 4789 -j ACCEPT # vxlan traffic
iptables -A INPUT -m policy --pol ipsec --dir in -p tcp --dport 6789 -j ACCEPT # ceph mon traffic
iptables -A INPUT -m policy --pol ipsec --dir in -p tcp --sport 6789 -j ACCEPT # ceph mon traffic
iptables -A INPUT -m policy --pol ipsec --dir in -m multiport -p tcp --dports 6800:7300 -j ACCEPT # ceph traffic
iptables -A INPUT -m policy --pol ipsec --dir in -m multiport -p tcp --sports 6800:7300 -j ACCEPT # ceph traffic
iptables -A INPUT -m policy --pol ipsec --dir in -m multiport -p tcp --dports 49152:49215 -j ACCEPT # libvirt live migration
#rules for edge nodes, these should be more specific but for now, it'll do
## rules for edge nodes, these should be more specific but for now, it'll do
iptables -A INPUT -i up+ -p gre -j ACCEPT # gre tunnels from other sites
iptables -A INPUT -i up+ -p tcp --dport 179 -j ACCEPT # upstream to public bgp
iptables -A INPUT -i up+ -p tcp --sport 179 -j ACCEPT # upstream from public bgp
@ -59,7 +59,7 @@ case $1 in
#### IPv6
ip6tables -P INPUT ACCEPT
ip6tables -F INPUT
#unencrypted traffic
## unencrypted traffic
ip6tables -A INPUT -p esp -j ACCEPT # ipsec
ip6tables -A INPUT -p udp --dport 500 --sport 500 -j ACCEPT # ipsec
ip6tables -A INPUT -p udp --dport 4500 --sport 4500 -j ACCEPT # ipsec
@ -68,9 +68,11 @@ case $1 in
ip6tables -A INPUT -s 2604:bbc0:0:113::1 -p udp --sport 53 -j ACCEPT # dns replies from bastion
ip6tables -A INPUT -s 2001:67c:1560:8003::c7 -p udp --sport 123 -j ACCEPT # ntp
ip6tables -A INPUT -s 2001:67c:1560:8003::c8 -p udp --sport 123 -j ACCEPT # ntp
ip6tables -A INPUT -s fe80::/10 -p tcp --sport 179 -j ACCEPT # bgp (allow init as well as responding)
ip6tables -A INPUT -s fe80::/10 -p tcp --dport 179 -j ACCEPT # bgp (allow init as well as responding)
#rules for edge nodes, these should be more specific but for now, it'll do
ip6tables -A INPUT -s fe80::/10 -i feth+ -p tcp --sport 179 -j ACCEPT # bgp (allow init as well as responding)
ip6tables -A INPUT -s fe80::/10 -i feth+ -p tcp --dport 179 -j ACCEPT # bgp (allow init as well as responding)
## rules for edge nodes, these should be more specific but for now, it'll do
ip6tables -A INPUT -s fe80::/10 -i gre+ -p tcp --sport 179 -j ACCEPT # bgp (allow init as well as responding)
ip6tables -A INPUT -s fe80::/10 -i gre+ -p tcp --dport 179 -j ACCEPT # bgp (allow init as well as responding)
ip6tables -A INPUT -i up+ -p tcp --dport 179 -j ACCEPT # bgp to public peer
ip6tables -A INPUT -i up+ -p tcp --sport 179 -j ACCEPT # bgp from public peer
### mgmt