2023-01-13 08:56:16 +01:00
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#!/usr/bin/env ansible-playbook
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---
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- hosts:
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2023-04-05 00:18:25 +02:00
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- isp-1.back.infra.auro.re
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- isp-2.back.infra.auro.re
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2023-01-13 08:56:16 +01:00
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vars:
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nftables__vars:
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adm_ipv6: 2a09:6840:128::/56
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adm_ipv4: 10.128.0.0/16
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backbone_ipv6: 2a09:6840:203::/56
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backbone_ipv4: 10.203.0.0/16
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mgmt_ipv6: 2a09:6840:211::/56
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mgmt_ipv4: 10.211.0.0/16
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clients_ipv6: 2a09:6841::/48
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clients_ipv4: 100.64.0.0/10
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nftables__tables:
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blacklist:
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type: inet
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sets:
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blacklist_ipv6:
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type: ipv6_addr
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flags:
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- interval
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blacklist_ipv4:
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type: ipv4_addr
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flags:
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- interval
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chains:
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filter:
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type: filter
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hook: prerouting
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priority: "raw - 10"
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policy: accept
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rules:
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- "ip6 saddr @blacklist_ipv6 counter drop"
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- "ip saddr @blacklist_ipv4 counter drop"
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reverse_path_filter:
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type: inet
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chains:
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filter:
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type: filter
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hook: prerouting
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priority: raw
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policy: accept
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rules:
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- "fib saddr . iif oif missing pkttype unicast drop"
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filter:
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type: inet
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sets:
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allowed_clients_ipv6:
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type: ipv6_addr
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flags:
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- interval
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allowed_clients_ipv4:
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type: ipv4_addr
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flags:
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- interval
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chains:
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conntrack:
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rules:
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- "ct state { established, related } accept"
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- "ct state invalid counter drop"
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input_backbone:
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rules:
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- "ip6 nexthdr { ospf, vrrp, icmpv6 } accept"
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- "ip protocol { ospf, vrrp, icmp } accept"
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- "tcp dport 179 accept"
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input_mgmt:
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rules:
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- "ip6 nexthdr icmpv6 accept"
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- "ip protocol icmp accept"
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- "tcp dport 22 accept"
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input_other:
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rules:
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- "ip6 nexthdr icmpv6 accept"
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- "ip protocol icmp accept"
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input:
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type: filter
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hook: input
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priority: filter
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policy: drop
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rules:
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- "jump conntrack"
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- "iif lo accept"
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# FIXME: don't use ifaces
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- "ip6 saddr fe80::/10 iifname ens19 goto input_backbone"
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- "ip6 saddr vmap { \
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$backbone_ipv6: goto input_backbone, \
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$mgmt_ipv6: goto input_mgmt, \
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$adm_ipv6: goto input_mgmt \
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}"
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- "ip saddr vmap { \
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$backbone_ipv4: goto input_backbone, \
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$mgmt_ipv4: goto input_mgmt, \
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$adm_ipv4: goto input_mgmt \
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}"
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- "goto input_other"
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forward_clients:
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rules:
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- "ip6 daddr $clients_ipv6 drop"
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- "ip daddr $clients_ipv4 drop"
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- "ip6 saddr @allowed_clients_ipv6 accept"
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- "ip saddr @allowed_clients_ipv4 accept"
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forward:
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type: filter
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hook: forward
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priority: filter
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policy: drop
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rules:
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- "jump conntrack"
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- "ip6 saddr $clients_ipv6 goto forward_clients"
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- "ip saddr $clients_ipv4 goto forward_clients"
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output:
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type: filter
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hook: output
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priority: filter
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policy: accept
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rules:
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- "jump conntrack"
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roles:
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- nftables
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- hosts:
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2023-04-05 00:18:25 +02:00
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- infra-1.back.infra.auro.re
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- infra-2.back.infra.auro.re
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2023-01-13 08:56:16 +01:00
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vars:
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|
nftables__vars:
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|
|
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adm_ipv6: 2a09:6840:128::/56
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adm_ipv4: 10.128.0.0/16
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backbone_ipv6: 2a09:6840:203::/56
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backbone_ipv4: 10.203.0.0/16
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mgmt_ipv6: 2a09:6840:211::/56
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mgmt_ipv4: 10.211.0.0/16
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int_ipv6: 2a09:6840:206::/56
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int_ipv4: 10.206.0.0/16
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local_ipv4:
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- 100.64.0.0/10
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- 10.0.0.0/8
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- 45.66.108.0/22
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nftables__tables:
|
|
|
|
|
blacklist:
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|
|
|
|
type: inet
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|
|
|
|
sets:
|
|
|
|
|
blacklist_ipv6:
|
|
|
|
|
type: ipv6_addr
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|
|
|
|
flags:
|
|
|
|
|
- interval
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|
|
|
|
blacklist_ipv4:
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|
|
|
|
type: ipv4_addr
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|
|
|
|
flags:
|
|
|
|
|
- interval
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|
|
|
|
chains:
|
|
|
|
|
filter:
|
|
|
|
|
type: filter
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|
|
|
|
hook: prerouting
|
|
|
|
|
priority: "raw - 10"
|
|
|
|
|
policy: accept
|
|
|
|
|
rules:
|
|
|
|
|
- "ip6 saddr @blacklist_ipv6 counter drop"
|
|
|
|
|
- "ip saddr @blacklist_ipv4 counter drop"
|
|
|
|
|
reverse_path_filter:
|
|
|
|
|
type: inet
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|
|
|
|
chains:
|
|
|
|
|
filter:
|
|
|
|
|
type: filter
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|
|
|
|
hook: prerouting
|
|
|
|
|
priority: raw
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|
|
|
|
policy: accept
|
|
|
|
|
rules:
|
|
|
|
|
- "fib saddr . iif oif missing pkttype unicast drop"
|
|
|
|
|
filter:
|
|
|
|
|
type: inet
|
|
|
|
|
chains:
|
|
|
|
|
conntrack:
|
|
|
|
|
rules:
|
|
|
|
|
- "ct state { established, related } accept"
|
|
|
|
|
- "ct state invalid counter drop"
|
|
|
|
|
input_backbone:
|
|
|
|
|
rules:
|
|
|
|
|
- "ip6 nexthdr { ospf, vrrp, icmpv6 } accept"
|
|
|
|
|
- "ip protocol { ospf, vrrp, icmp } accept"
|
|
|
|
|
- "tcp dport 179 accept"
|
|
|
|
|
input_mgmt:
|
|
|
|
|
rules:
|
|
|
|
|
- "ip6 nexthdr icmpv6 accept"
|
|
|
|
|
- "ip protocol icmp accept"
|
|
|
|
|
- "tcp dport 22 accept"
|
|
|
|
|
input_other:
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|
|
|
|
rules:
|
|
|
|
|
- "ip6 nexthdr icmpv6 accept"
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|
|
|
|
- "ip protocol icmp accept"
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|
|
|
|
input:
|
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|
|
|
type: filter
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|
hook: input
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priority: filter
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|
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policy: drop
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|
|
|
rules:
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|
|
|
|
- "jump conntrack"
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|
|
|
|
- "iif lo accept"
|
|
|
|
|
# FIXME: don't use ifaces
|
|
|
|
|
- "ip6 saddr fe80::/10 iifname ens19 goto input_backbone"
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|
|
|
|
- "ip6 saddr vmap { \
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$backbone_ipv6: goto input_backbone, \
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$mgmt_ipv6: goto input_mgmt, \
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$adm_ipv6: goto input_mgmt \
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}"
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- "ip saddr vmap { \
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$backbone_ipv4: goto input_backbone, \
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$mgmt_ipv4: goto input_mgmt, \
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$adm_ipv4: goto input_mgmt \
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}"
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- "goto input_other"
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forward:
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type: filter
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hook: forward
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priority: filter
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policy: drop
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rules:
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- "jump conntrack"
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- "ip6 saddr $int_ipv6 accept" # FIXME
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- "ip saddr $int_ipv4 accept" # FIXME
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output:
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type: filter
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hook: output
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priority: filter
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policy: accept
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rules:
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- "jump conntrack"
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nat:
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type: ip
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chains:
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postrouting:
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type: nat
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hook: postrouting
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priority: srcnat
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policy: accept
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rules:
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- "ip daddr != $local_ipv4 snat to 10.128.10.4"
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roles:
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- nftables
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|
...
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