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Add bastion network
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This commit is contained in:
jeltz 2022-01-10 22:08:54 +01:00
parent 64772b76e4
commit f4acc8949c
Signed by: jeltz
GPG key ID: 800882B66C0C3326
3 changed files with 35 additions and 0 deletions
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7
roles/nftables_infra/templates/nftables.d/10-vars.conf.j2
View file

@ -21,6 +21,9 @@ define pve_ipv4 = 10.134.0.0/16
define router_ipv6 = 2a09:6840:135::/48 define router_ipv6 = 2a09:6840:135::/48
define router_ipv4 = 10.135.0.0/16 define router_ipv4 = 10.135.0.0/16
define bastion_ipv6 = 2a09:6840:136::/48
define bastion_ipv4 = 10.136.0.0/16
define infra_ipv6 = { define infra_ipv6 = {
$public_server_ipv6, $public_server_ipv6,
$server_ipv6, $server_ipv6,
@ -29,6 +32,7 @@ define infra_ipv6 = {
$bmc_ipv6, $bmc_ipv6,
$pve_ipv6, $pve_ipv6,
$router_ipv6, $router_ipv6,
$bastion_ipv6,
} }
define infra_ipv4 = { define infra_ipv4 = {
$public_server_ipv4, $public_server_ipv4,
@ -38,6 +42,7 @@ define infra_ipv4 = {
$bmc_ipv4, $bmc_ipv4,
$pve_ipv4, $pve_ipv4,
$router_ipv4, $router_ipv4,
$bastion_ipv4,
} }
# FIXME: temporary # FIXME: temporary
@ -45,11 +50,13 @@ define egress_internet_ipv6 = {
$server_ipv6, $server_ipv6,
$pve_ipv6, $pve_ipv6,
$router_ipv6, $router_ipv6,
$bastion_ipv6,
} }
define egress_internet_ipv4 = { define egress_internet_ipv4 = {
$server_ipv4, $server_ipv4,
$pve_ipv4, $pve_ipv4,
$router_ipv4, $router_ipv4,
$bastion_ipv4,
} }
# FIXME: bad ipv6 address # FIXME: bad ipv6 address

13
roles/nftables_infra/templates/nftables.d/40-input.conf.j2
View file

@ -10,6 +10,13 @@ table inet input {
} }
} }
chain input_from_server {
jump conntrack
ip6 saddr $prom_infra_ipv6 dport 9100 accept
ip saddr $prom_infra_ipv4 dport 9100 accept
}
chain input_from_backbone { chain input_from_backbone {
ip6 nexthdr { ospf, vrrp } accept ip6 nexthdr { ospf, vrrp } accept
ip protocol { ospf, vrrp } accept ip protocol { ospf, vrrp } accept
@ -22,6 +29,12 @@ table inet input {
tcp dport ssh counter accept tcp dport ssh counter accept
} }
chain input_from_bastion {
jump conntrack
tcp dport ssh counter accept
}
chain input_from_anywhere { chain input_from_anywhere {
jump conntrack jump conntrack

15
roles/nftables_infra/templates/nftables.d/60-forward.conf.j2
View file

@ -29,6 +29,9 @@ table inet forward {
ip6 saddr $prom_infra_v6 tcp dport 9100 counter accept ip6 saddr $prom_infra_v6 tcp dport 9100 counter accept
ip saddr $prom_infra_v4 udp dport 161 counter accept ip saddr $prom_infra_v4 udp dport 161 counter accept
ip6 saddr $bastion_ipv6 dport ssh accept
ip saddr $bastion_ipv4 dport ssh accept
} }
chain forward_to_backbone { chain forward_to_backbone {
@ -39,6 +42,9 @@ table inet forward {
ip6 saddr $prom_infra_v6 udp dport 161 counter accept ip6 saddr $prom_infra_v6 udp dport 161 counter accept
ip saddr $prom_infra_v4 udp dport 161 counter accept ip saddr $prom_infra_v4 udp dport 161 counter accept
ip6 saddr $bastion_ipv6 dport ssh accept
ip saddr $bastion_ipv4 dport ssh accept
} }
chain forward_to_bmc { chain forward_to_bmc {
@ -46,6 +52,9 @@ table inet forward {
ip6 saddr $prom_infra_v6 udp dport 161 counter accept ip6 saddr $prom_infra_v6 udp dport 161 counter accept
ip saddr $prom_infra_v4 udp dport 161 counter accept ip saddr $prom_infra_v4 udp dport 161 counter accept
ip6 saddr $bastion_ipv6 dport ssh accept
ip saddr $bastion_ipv4 dport ssh accept
} }
chain forward_to_pve { chain forward_to_pve {
@ -53,6 +62,9 @@ table inet forward {
ip6 saddr $prom_infra_ipv6 tcp dport 9100 counter accept ip6 saddr $prom_infra_ipv6 tcp dport 9100 counter accept
ip saddr $prom_infra_ipv4 tcp dport 9100 counter accept ip saddr $prom_infra_ipv4 tcp dport 9100 counter accept
ip6 saddr $bastion_ipv6 dport ssh accept
ip saddr $bastion_ipv4 dport ssh accept
} }
chain forward_to_router { chain forward_to_router {
@ -60,6 +72,9 @@ table inet forward {
ip6 saddr $prom_infra_ipv6 tcp dport 9100 counter accept ip6 saddr $prom_infra_ipv6 tcp dport 9100 counter accept
ip saddr $prom_infra_ipv4 tcp dport 9100 counter accept ip saddr $prom_infra_ipv4 tcp dport 9100 counter accept
ip6 saddr $bastion_ipv6 dport ssh accept
ip saddr $bastion_ipv4 dport ssh accept
} }
chain forward_to_internet { chain forward_to_internet {