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home-kubernetes/servers/shadow/iptables/rules.v4.backup
Jan Novak 80d0cc1168 misc: zot registry, k8s OIDC, server configs, sandbox experiments, and notes 
- docker-30/zot: add Zot OCI registry with on-demand sync to docker.io,
  registry.k8s.io, ghcr.io, quay.io
- kubernetes-kvm-terraform: wire Kanidm OIDC via structured
  AuthenticationConfiguration; add reference apiserver manifest and
  join-node-02 helper
- servers: reorganize shadow/ under servers/, add saint vhost config and
  utility-101 VM definition, add shadow hrajfrisbee.cz vhost and
  storage-23 notes
- experiments: add notes and configs for e2b dev VM, kata + firecracker
  on kube, microsandbox, orb-stack k3s (terraform + cloud-init), rke2
- vms/docker: document tailscale + node-exporter setup
- blog: stub post on Gateway API
- chore: gitignore tmp/, smtp_password, and the two local-only
  credential caches; add per-project .claude/settings.json

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
2026-05-01 18:12:38 +02:00

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# Generated by iptables-save v1.8.10 (nf_tables) on Sun Nov 17 01:37:49 2024
*mangle
:PREROUTING ACCEPT [756:126788]
:INPUT ACCEPT [715:122089]
:FORWARD ACCEPT [40:4623]
:OUTPUT ACCEPT [420:58795]
:POSTROUTING ACCEPT [460:63418]
:LIBVIRT_PRT - [0:0]
-A POSTROUTING -j LIBVIRT_PRT
-A POSTROUTING -o virbr100 -p udp -m udp --dport 68 -j CHECKSUM --checksum-fill
-A POSTROUTING -o virbr0 -p udp -m udp --dport 68 -j CHECKSUM --checksum-fill
-A POSTROUTING -o virbr100 -p udp -m udp --dport 68 -j CHECKSUM --checksum-fill
-A POSTROUTING -o virbr0 -p udp -m udp --dport 68 -j CHECKSUM --checksum-fill
-A POSTROUTING -o virbr100 -p udp -m udp --dport 68 -j CHECKSUM --checksum-fill
-A POSTROUTING -o virbr0 -p udp -m udp --dport 68 -j CHECKSUM --checksum-fill
-A POSTROUTING -o virbr0 -p udp -m udp --dport 68 -j CHECKSUM --checksum-fill
-A POSTROUTING -o virbr100 -p udp -m udp --dport 68 -j CHECKSUM --checksum-fill
-A LIBVIRT_PRT -o virbr100 -p udp -m udp --dport 68 -j CHECKSUM --checksum-fill
-A LIBVIRT_PRT -o virbr0 -p udp -m udp --dport 68 -j CHECKSUM --checksum-fill
COMMIT
# Completed on Sun Nov 17 01:37:49 2024
# Generated by iptables-save v1.8.10 (nf_tables) on Sun Nov 17 01:37:49 2024
*filter
:INPUT DROP [387:104781]
:FORWARD DROP [0:0]
:OUTPUT ACCEPT [42:5859]
:DOCKER - [0:0]
:DOCKER-ISOLATION-STAGE-1 - [0:0]
:DOCKER-ISOLATION-STAGE-2 - [0:0]
:DOCKER-USER - [0:0]
:LIBVIRT_FWI - [0:0]
:LIBVIRT_FWO - [0:0]
:LIBVIRT_FWX - [0:0]
:LIBVIRT_INP - [0:0]
:LIBVIRT_OUT - [0:0]
:f2b-sshd - [0:0]
-A INPUT -j LIBVIRT_INP
-A INPUT -p tcp -m multiport --dports 22 -j f2b-sshd
-A INPUT -p tcp -m multiport --dports 22 -j f2b-sshd
-A INPUT -p icmp -j ACCEPT
-A INPUT -p tcp -m multiport --dports 22 -j f2b-sshd
-A INPUT -i virbr100 -p udp -m udp --dport 53 -j ACCEPT
-A INPUT -i virbr100 -p tcp -m tcp --dport 53 -j ACCEPT
-A INPUT -i virbr100 -p udp -m udp --dport 67 -j ACCEPT
-A INPUT -i virbr100 -p tcp -m tcp --dport 67 -j ACCEPT
-A INPUT -i virbr0 -p udp -m udp --dport 53 -j ACCEPT
-A INPUT -i virbr0 -p tcp -m tcp --dport 53 -j ACCEPT
-A INPUT -i virbr0 -p udp -m udp --dport 67 -j ACCEPT
-A INPUT -i virbr0 -p tcp -m tcp --dport 67 -j ACCEPT
-A INPUT -i virbr100 -j ACCEPT
-A INPUT -i virbr100 -p udp -m udp --dport 53 -j ACCEPT
-A INPUT -i virbr100 -p tcp -m tcp --dport 53 -j ACCEPT
-A INPUT -i virbr100 -p udp -m udp --dport 67 -j ACCEPT
-A INPUT -i virbr100 -p tcp -m tcp --dport 67 -j ACCEPT
-A INPUT -i virbr0 -p udp -m udp --dport 53 -j ACCEPT
-A INPUT -i virbr0 -p tcp -m tcp --dport 53 -j ACCEPT
-A INPUT -i virbr0 -p udp -m udp --dport 67 -j ACCEPT
-A INPUT -i virbr0 -p tcp -m tcp --dport 67 -j ACCEPT
-A INPUT -p tcp -m multiport --dports 22 -j f2b-sshd
-A INPUT -p tcp -m tcp --dport 22 -m conntrack --ctstate NEW,ESTABLISHED -j ACCEPT
-A INPUT -p tcp -m tcp --dport 80 -m state --state NEW,ESTABLISHED -j ACCEPT
-A INPUT -p tcp -m tcp --dport 443 -m state --state NEW,ESTABLISHED -j ACCEPT
-A INPUT -p tcp -m tcp --dport 80 -m state --state NEW,ESTABLISHED -j ACCEPT
-A INPUT -p tcp -m tcp --dport 1022 -m state --state NEW,ESTABLISHED -j ACCEPT
-A INPUT -p tcp -m tcp --dport 2022 -m state --state NEW,ESTABLISHED -j ACCEPT
-A INPUT -i lo -j ACCEPT
-A INPUT -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT
-A INPUT -i virbr100 -j ACCEPT
-A FORWARD -i eno1 -p tcp -m tcp --dport 53 -j ACCEPT
-A FORWARD -i eno1 -p udp -m udp --dport 53 -j ACCEPT
-A FORWARD -i eno1 -p udp -m udp --dport 51820 -j ACCEPT
-A FORWARD -j DOCKER-USER
-A FORWARD -j DOCKER-ISOLATION-STAGE-1
-A FORWARD -o docker0 -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT
-A FORWARD -o docker0 -j DOCKER
-A FORWARD -i docker0 ! -o docker0 -j ACCEPT
-A FORWARD -i docker0 -o docker0 -j ACCEPT
-A FORWARD -j LIBVIRT_FWX
-A FORWARD -j LIBVIRT_FWI
-A FORWARD -j LIBVIRT_FWO
-A FORWARD -i eno1 -p tcp -m tcp --dport 53 -j ACCEPT
-A FORWARD -i eno1 -p udp -m udp --dport 53 -j ACCEPT
-A FORWARD -d 192.168.123.0/24 -o virbr100 -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT
-A FORWARD -s 192.168.123.0/24 -i virbr100 -j ACCEPT
-A FORWARD -i virbr100 -o virbr100 -j ACCEPT
-A FORWARD -o virbr100 -j REJECT --reject-with icmp-port-unreachable
-A FORWARD -i virbr100 -j REJECT --reject-with icmp-port-unreachable
-A FORWARD -d 192.168.122.0/24 -o virbr0 -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT
-A FORWARD -s 192.168.122.0/24 -i virbr0 -j ACCEPT
-A FORWARD -i virbr0 -o virbr0 -j ACCEPT
-A FORWARD -o virbr0 -j REJECT --reject-with icmp-port-unreachable
-A FORWARD -i virbr0 -j REJECT --reject-with icmp-port-unreachable
-A FORWARD -i eno1 -p udp -m udp --dport 1194 -j ACCEPT
-A FORWARD -i eno1 -p tcp -m tcp --dport 53 -j ACCEPT
-A FORWARD -i eno1 -p udp -m udp --dport 53 -j ACCEPT
-A FORWARD -d 192.168.123.0/24 -o virbr100 -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT
-A FORWARD -s 192.168.123.0/24 -i virbr100 -j ACCEPT
-A FORWARD -i virbr100 -o virbr100 -j ACCEPT
-A FORWARD -o virbr100 -j REJECT --reject-with icmp-port-unreachable
-A FORWARD -i virbr100 -j REJECT --reject-with icmp-port-unreachable
-A FORWARD -d 192.168.122.0/24 -o virbr0 -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT
-A FORWARD -s 192.168.122.0/24 -i virbr0 -j ACCEPT
-A FORWARD -i virbr0 -o virbr0 -j ACCEPT
-A FORWARD -o virbr0 -j REJECT --reject-with icmp-port-unreachable
-A FORWARD -i virbr0 -j REJECT --reject-with icmp-port-unreachable
-A FORWARD -o br-8be00fb1442a -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT
-A FORWARD -o br-8be00fb1442a -j DOCKER
-A FORWARD -i br-8be00fb1442a ! -o br-8be00fb1442a -j ACCEPT
-A FORWARD -i br-8be00fb1442a -o br-8be00fb1442a -j ACCEPT
-A FORWARD -d 192.168.123.141/32 -p tcp -m tcp --dport 80 -j ACCEPT
-A OUTPUT -j LIBVIRT_OUT
-A OUTPUT -o virbr100 -p udp -m udp --dport 68 -j ACCEPT
-A OUTPUT -o virbr0 -p udp -m udp --dport 68 -j ACCEPT
-A OUTPUT -o virbr100 -p udp -m udp --dport 68 -j ACCEPT
-A OUTPUT -o virbr0 -p udp -m udp --dport 68 -j ACCEPT
-A OUTPUT -o virbr100 -p udp -m udp --dport 68 -j ACCEPT
-A OUTPUT -o virbr0 -p udp -m udp --dport 68 -j ACCEPT
-A OUTPUT -p tcp -m tcp --sport 22 -m conntrack --ctstate ESTABLISHED -j ACCEPT
-A OUTPUT -o virbr0 -p udp -m udp --dport 68 -j ACCEPT
-A OUTPUT -o virbr100 -p udp -m udp --dport 68 -j ACCEPT
-A OUTPUT -o lo -j ACCEPT
-A OUTPUT -o virbr100 -j ACCEPT
-A OUTPUT -m conntrack --ctstate ESTABLISHED -j ACCEPT
-A OUTPUT -o virbr100 -j ACCEPT
-A DOCKER-ISOLATION-STAGE-1 -i docker0 ! -o docker0 -j DOCKER-ISOLATION-STAGE-2
-A DOCKER-ISOLATION-STAGE-1 -i br-8be00fb1442a ! -o br-8be00fb1442a -j DOCKER-ISOLATION-STAGE-2
-A DOCKER-ISOLATION-STAGE-1 -j RETURN
-A DOCKER-ISOLATION-STAGE-2 -o docker0 -j DROP
-A DOCKER-ISOLATION-STAGE-2 -o br-8be00fb1442a -j DROP
-A DOCKER-ISOLATION-STAGE-2 -j RETURN
-A DOCKER-USER -j RETURN
-A LIBVIRT_FWI -d 192.168.123.0/24 -o virbr100 -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT
-A LIBVIRT_FWI -o virbr100 -j REJECT --reject-with icmp-port-unreachable
-A LIBVIRT_FWI -o virbr1 -j REJECT --reject-with icmp-port-unreachable
-A LIBVIRT_FWI -d 192.168.122.0/24 -o virbr0 -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT
-A LIBVIRT_FWI -o virbr0 -j REJECT --reject-with icmp-port-unreachable
-A LIBVIRT_FWO -s 192.168.123.0/24 -i virbr100 -j ACCEPT
-A LIBVIRT_FWO -i virbr100 -j REJECT --reject-with icmp-port-unreachable
-A LIBVIRT_FWO -i virbr1 -j REJECT --reject-with icmp-port-unreachable
-A LIBVIRT_FWO -s 192.168.122.0/24 -i virbr0 -j ACCEPT
-A LIBVIRT_FWO -i virbr0 -j REJECT --reject-with icmp-port-unreachable
-A LIBVIRT_FWX -i virbr100 -o virbr100 -j ACCEPT
-A LIBVIRT_FWX -i virbr1 -o virbr1 -j ACCEPT
-A LIBVIRT_FWX -i virbr0 -o virbr0 -j ACCEPT
-A LIBVIRT_INP -i virbr100 -p udp -m udp --dport 53 -j ACCEPT
-A LIBVIRT_INP -i virbr100 -p tcp -m tcp --dport 53 -j ACCEPT
-A LIBVIRT_INP -i virbr100 -p udp -m udp --dport 67 -j ACCEPT
-A LIBVIRT_INP -i virbr100 -p tcp -m tcp --dport 67 -j ACCEPT
-A LIBVIRT_INP -i virbr1 -p udp -m udp --dport 53 -j ACCEPT
-A LIBVIRT_INP -i virbr1 -p tcp -m tcp --dport 53 -j ACCEPT
-A LIBVIRT_INP -i virbr1 -p udp -m udp --dport 67 -j ACCEPT
-A LIBVIRT_INP -i virbr1 -p tcp -m tcp --dport 67 -j ACCEPT
-A LIBVIRT_INP -i virbr0 -p udp -m udp --dport 53 -j ACCEPT
-A LIBVIRT_INP -i virbr0 -p tcp -m tcp --dport 53 -j ACCEPT
-A LIBVIRT_INP -i virbr0 -p udp -m udp --dport 67 -j ACCEPT
-A LIBVIRT_INP -i virbr0 -p tcp -m tcp --dport 67 -j ACCEPT
-A LIBVIRT_OUT -o virbr100 -p udp -m udp --dport 53 -j ACCEPT
-A LIBVIRT_OUT -o virbr100 -p tcp -m tcp --dport 53 -j ACCEPT
-A LIBVIRT_OUT -o virbr100 -p udp -m udp --dport 68 -j ACCEPT
-A LIBVIRT_OUT -o virbr100 -p tcp -m tcp --dport 68 -j ACCEPT
-A LIBVIRT_OUT -o virbr1 -p udp -m udp --dport 53 -j ACCEPT
-A LIBVIRT_OUT -o virbr1 -p tcp -m tcp --dport 53 -j ACCEPT
-A LIBVIRT_OUT -o virbr1 -p udp -m udp --dport 68 -j ACCEPT
-A LIBVIRT_OUT -o virbr1 -p tcp -m tcp --dport 68 -j ACCEPT
-A LIBVIRT_OUT -o virbr0 -p udp -m udp --dport 53 -j ACCEPT
-A LIBVIRT_OUT -o virbr0 -p tcp -m tcp --dport 53 -j ACCEPT
-A LIBVIRT_OUT -o virbr0 -p udp -m udp --dport 68 -j ACCEPT
-A LIBVIRT_OUT -o virbr0 -p tcp -m tcp --dport 68 -j ACCEPT
-A f2b-sshd -s 222.187.254.41/32 -j REJECT --reject-with icmp-port-unreachable
-A f2b-sshd -s 207.46.227.197/32 -j REJECT --reject-with icmp-port-unreachable
-A f2b-sshd -s 125.77.23.30/32 -j REJECT --reject-with icmp-port-unreachable
-A f2b-sshd -s 222.186.175.216/32 -j REJECT --reject-with icmp-port-unreachable
-A f2b-sshd -s 94.200.202.26/32 -j REJECT --reject-with icmp-port-unreachable
-A f2b-sshd -s 103.80.36.218/32 -j REJECT --reject-with icmp-port-unreachable
-A f2b-sshd -s 62.234.126.132/32 -j REJECT --reject-with icmp-port-unreachable
-A f2b-sshd -s 106.52.248.175/32 -j REJECT --reject-with icmp-port-unreachable
-A f2b-sshd -s 104.248.5.69/32 -j REJECT --reject-with icmp-port-unreachable
-A f2b-sshd -s 129.211.49.227/32 -j REJECT --reject-with icmp-port-unreachable
-A f2b-sshd -s 112.85.42.176/32 -j REJECT --reject-with icmp-port-unreachable
-A f2b-sshd -s 222.186.15.62/32 -j REJECT --reject-with icmp-port-unreachable
-A f2b-sshd -s 222.186.30.112/32 -j REJECT --reject-with icmp-port-unreachable
-A f2b-sshd -s 222.186.175.167/32 -j REJECT --reject-with icmp-port-unreachable
-A f2b-sshd -s 222.186.52.39/32 -j REJECT --reject-with icmp-port-unreachable
-A f2b-sshd -s 207.154.215.119/32 -j REJECT --reject-with icmp-port-unreachable
-A f2b-sshd -s 36.91.76.171/32 -j REJECT --reject-with icmp-port-unreachable
-A f2b-sshd -s 134.175.19.71/32 -j REJECT --reject-with icmp-port-unreachable
-A f2b-sshd -s 144.217.243.216/32 -j REJECT --reject-with icmp-port-unreachable
-A f2b-sshd -s 210.206.92.137/32 -j REJECT --reject-with icmp-port-unreachable
-A f2b-sshd -s 222.186.30.76/32 -j REJECT --reject-with icmp-port-unreachable
-A f2b-sshd -s 49.51.90.173/32 -j REJECT --reject-with icmp-port-unreachable
-A f2b-sshd -s 222.186.190.2/32 -j REJECT --reject-with icmp-port-unreachable
-A f2b-sshd -j RETURN
-A f2b-sshd -j RETURN
-A f2b-sshd -j RETURN
-A f2b-sshd -j RETURN
COMMIT
# Completed on Sun Nov 17 01:37:49 2024
# Generated by iptables-save v1.8.10 (nf_tables) on Sun Nov 17 01:37:49 2024
*nat
:PREROUTING ACCEPT [409:105569]
:INPUT ACCEPT [22:1288]
:OUTPUT ACCEPT [1:76]
:POSTROUTING ACCEPT [12:818]
:DOCKER - [0:0]
:LIBVIRT_PRT - [0:0]
-A PREROUTING -i eno1 -p tcp -m tcp --dport 53 -j DNAT --to-destination 192.168.123.101:53
-A PREROUTING -i eno1 -p udp -m udp --dport 53 -j DNAT --to-destination 192.168.123.101:53
-A PREROUTING -i eno1 -p udp -m udp --dport 51820 -j DNAT --to-destination 192.168.123.101:51820
-A PREROUTING -i eno1 -p tcp -m tcp --dport 53 -j DNAT --to-destination 192.168.123.101:53
-A PREROUTING -i eno1 -p udp -m udp --dport 53 -j DNAT --to-destination 192.168.123.101:53
-A PREROUTING -i eno1 -p udp -m udp --dport 1194 -j DNAT --to-destination 192.168.123.101:1194
-A PREROUTING -i eno1 -p tcp -m tcp --dport 53 -j DNAT --to-destination 192.168.123.101:53
-A PREROUTING -i eno1 -p udp -m udp --dport 53 -j DNAT --to-destination 192.168.123.101:53
-A PREROUTING -i eno1 -p tcp -m tcp --dport 21080 -j DNAT --to-destination 192.168.123.141:80
-A PREROUTING -m addrtype --dst-type LOCAL -j DOCKER
-A OUTPUT ! -d 127.0.0.0/8 -m addrtype --dst-type LOCAL -j DOCKER
-A POSTROUTING -s 172.17.0.0/16 ! -o docker0 -j MASQUERADE
-A POSTROUTING -j LIBVIRT_PRT
-A POSTROUTING -s 192.168.123.0/24 -d 224.0.0.0/24 -j RETURN
-A POSTROUTING -s 192.168.123.0/24 -d 255.255.255.255/32 -j RETURN
-A POSTROUTING -s 192.168.123.0/24 ! -d 192.168.123.0/24 -p tcp -j MASQUERADE --to-ports 1024-65535
-A POSTROUTING -s 192.168.123.0/24 ! -d 192.168.123.0/24 -p udp -j MASQUERADE --to-ports 1024-65535
-A POSTROUTING -s 192.168.123.0/24 ! -d 192.168.123.0/24 -j MASQUERADE
-A POSTROUTING -s 192.168.123.0/24 -d 224.0.0.0/24 -j RETURN
-A POSTROUTING -s 192.168.123.0/24 -d 255.255.255.255/32 -j RETURN
-A POSTROUTING -s 192.168.123.0/24 ! -d 192.168.123.0/24 -p tcp -j MASQUERADE --to-ports 1024-65535
-A POSTROUTING -s 192.168.123.0/24 ! -d 192.168.123.0/24 -p udp -j MASQUERADE --to-ports 1024-65535
-A POSTROUTING -s 192.168.123.0/24 ! -d 192.168.123.0/24 -j MASQUERADE
-A POSTROUTING -s 172.18.0.0/16 ! -o br-8be00fb1442a -j MASQUERADE
-A POSTROUTING -s 192.168.123.0/24 -d 224.0.0.0/24 -j RETURN
-A POSTROUTING -s 192.168.123.0/24 -d 255.255.255.255/32 -j RETURN
-A POSTROUTING -s 192.168.123.0/24 ! -d 192.168.123.0/24 -p tcp -j MASQUERADE --to-ports 1024-65535
-A POSTROUTING -s 192.168.123.0/24 ! -d 192.168.123.0/24 -p udp -j MASQUERADE --to-ports 1024-65535
-A POSTROUTING -s 192.168.123.0/24 ! -d 192.168.123.0/24 -j MASQUERADE
-A POSTROUTING -s 192.168.123.0/24 -d 224.0.0.0/24 -j RETURN
-A POSTROUTING -s 192.168.123.0/24 -d 255.255.255.255/32 -j RETURN
-A POSTROUTING -s 192.168.123.0/24 ! -d 192.168.123.0/24 -p tcp -j MASQUERADE --to-ports 1024-65535
-A POSTROUTING -s 192.168.123.0/24 ! -d 192.168.123.0/24 -p udp -j MASQUERADE --to-ports 1024-65535
-A POSTROUTING -s 192.168.123.0/24 ! -d 192.168.123.0/24 -j MASQUERADE
-A DOCKER -i docker0 -j RETURN
-A DOCKER -i br-8be00fb1442a -j RETURN
-A LIBVIRT_PRT -s 192.168.123.0/24 -d 224.0.0.0/24 -j RETURN
-A LIBVIRT_PRT -s 192.168.123.0/24 -d 255.255.255.255/32 -j RETURN
-A LIBVIRT_PRT -s 192.168.123.0/24 ! -d 192.168.123.0/24 -p tcp -j MASQUERADE --to-ports 1024-65535
-A LIBVIRT_PRT -s 192.168.123.0/24 ! -d 192.168.123.0/24 -p udp -j MASQUERADE --to-ports 1024-65535
-A LIBVIRT_PRT -s 192.168.123.0/24 ! -d 192.168.123.0/24 -j MASQUERADE
COMMIT
# Completed on Sun Nov 17 01:37:49 2024
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