WIP server initramfs
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parent
5fd2795871
commit
63bfae1014
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@ -1,4 +1,7 @@
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challenge-cmdline
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challenge-initrd.img
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challenge-kernel
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server-cmdline
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server-initrd.img
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server-kernel
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tftp/initramfs-login.img
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@ -0,0 +1,242 @@
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kernel:
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image: linuxkit/kernel:4.9.82
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cmdline: "console=tty0 console=ttyS0"
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init:
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- linuxkit/init:d899eee3560a40aa3b4bdd67b3bb82703714b2b9
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- linuxkit/runc:7c39a68490a12cde830e1922f171c451fb08e731
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- linuxkit/containerd:37e397ebfc6bd5d8e18695b121166ffd0cbfd9f0
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- linuxkit/ca-certificates:v0.2
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- linuxkit/firmware:v0.2
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- linuxkit/getty:v0.2
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onboot:
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- name: sysctl
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image: linuxkit/sysctl:v0.2
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binds:
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- /etc/sysctl.d/:/etc/sysctl.d/:ro
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# Network: exposed
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- name: netvlan-iface-setup
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image: linuxkit/ip:v0.2
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command: ["/bin/sh", "-c", "ip a add 172.23.191.254/18 dev eth0.7; ip link set eth0.7 up;" ]
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net: new
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runtime:
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interfaces:
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- name: eth0.7
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add: vlan
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vlanid: 7
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- name: ns-iface-setup
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image: linuxkit/ip:v0.2
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command: ["/bin/sh", "-c", "ip a add 172.23.0.2/17 dev vethin-validator; ip link set vethin-validator up;" ]
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net: new
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runtime:
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interfaces:
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- name: vethin-validator
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add: veth
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peer: veth-validator
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bindNS:
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net: /run/netns/ns
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- name: bridge-ext-setup
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image: linuxkit/ip:v0.2
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command: ["/bin/sh", "-c", "ip a add 192.168.0.46/24 dev br-ext; ip a add 172.23.0.1/17 dev br-ext; ip link set eth0 master br-ext; ip link set veth-validator master br-ext; ip link set br-ext up; ip link set veth-validator up; ip link set eth0 up" ]
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runtime:
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interfaces:
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- name: br-ext
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add: bridge
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- name: ns-iface-setup
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image: linuxkit/ip:v0.2
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command: ["/bin/sh", "-c", "ip a add 172.23.200.2/24 dev vethin-ns; ip link set vethin-ns up;" ]
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net: new
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runtime:
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interfaces:
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- name: vethin-ns
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add: veth
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peer: veth-ns
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bindNS:
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net: /run/netns/ns
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- name: time-iface-setup
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image: linuxkit/ip:v0.2
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command: ["/bin/sh", "-c", "ip a add 172.23.200.3/24 dev vethin-time; ip link set vethin-time up;" ]
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net: new
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runtime:
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interfaces:
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- name: vethin-time
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add: veth
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peer: veth-time
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bindNS:
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net: /run/netns/time
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- name: mail-iface-setup
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image: linuxkit/ip:v0.2
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command: ["/bin/sh", "-c", "ip a add 172.23.200.3/24 dev vethin-mail; ip link set vethin-mail up;" ]
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net: new
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runtime:
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interfaces:
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- name: vethin-mail
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add: veth
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peer: veth-mail
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bindNS:
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net: /run/netns/mail
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- name: bridge-int-setup
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image: linuxkit/ip:v0.2
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command: ["/bin/sh", "-c", "ip a add 172.23.200.254/24 dev br-int; ip link set veth-ns master br-int; ip link set veth-time master br-int; ip link set veth-mail master br-int; ip link set br-int up; ip link set veth-ns up; ip link set veth-time up; ip link set veth-mail up" ]
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runtime:
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interfaces:
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- name: br-int
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add: bridge
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- name: fw
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image: linuxkit/ip:v0.2
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command: ["/bin/bash", "-c", "/sbin/iptables-restore < /etc/iptables/rules.v4; /sbin/ip6tables-restore < /etc/iptables/rules.v6" ]
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services:
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- name: rngd
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image: linuxkit/rngd:v0.2
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- name: sshd
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image: linuxkit/sshd:v0.2
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# - name: dhcpd
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# image: nemunaire/tftpd
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# binds:
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# - /srv/tftp:/srv/tftp:ro
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- name: tftpd
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image: nemunaire/tftpd:50bdb5c4e9f17b13d848fc474fd98d3639cb36e9
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binds:
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- /srv/tftp:/srv/tftp:ro
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- name: nginx
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image: nginx:alpine
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capabilities:
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- CAP_NET_BIND_SERVICE
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- CAP_CHOWN
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- CAP_SETUID
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- CAP_SETGID
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- CAP_DAC_OVERRIDE
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binds:
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- /etc/resolv.conf:/etc/resolv.conf:ro
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- /etc/nginx/nginx.conf:/etc/nginx/nginx.conf:ro
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- name: login-validator
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image: nemunaire/adlin-login-validator:1bd441243a095180fd4058e6c7fc8fc38f850ab8-dirty
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command: ["/bin/login-validator", "-bind=:8081"]
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binds:
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- /srv/students.csv:/srv/students.csv:ro
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- name: ns
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image: nemunaire/unbound:999f99022b07a84063baa48b7143c90186c937d0
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net: /run/netns/ns
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binds:
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- /etc/unbound:/etc/unbound:ro
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- name: time
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image: linuxkit/openntpd:v0.2
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net: /run/netns/time
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binds:
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- /etc/ntpd.conf:/etc/ntpd.conf:ro
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files:
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- path: root/.ssh/authorized_keys
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source: ~/.ssh/id_ed25519.pub
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mode: "0400"
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- path: /srv/students.csv
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source: students.csv
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mode: "0400"
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- path: etc/iptables/rules.v6
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contents: |
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*filter
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:INPUT DROP [0:0]
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:FORWARD DROP [0:0]
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:OUTPUT DROP [0:0]
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COMMIT
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mode: "0440"
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- path: etc/iptables/rules-admin.v4
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contents: |
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*filter
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:INPUT DROP [0:0]
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:FORWARD ACCEPT [0:0]
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:OUTPUT DROP [0:0]
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[0:0] -A INPUT -i lo -j ACCEPT
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[0:0] -A INPUT -m conntrack --ctstate INVALID -j DROP
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[0:0] -A INPUT -p icmp -j ACCEPT
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[0:0] -A INPUT -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT
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[0:0] -A INPUT -i eth0 -s 172.23.0.0/17 -p tcp -m conntrack --ctstate NEW -m tcp --dport ssh -j ACCEPT
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[0:0] -A INPUT -j LOG
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[0:0] -A FORWARD -j LOG
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[0:0] -A OUTPUT -o lo -j ACCEPT
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[0:0] -A OUTPUT -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT
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[0:0] -A OUTPUT -j LOG
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[0:0] -A OUTPUT -j REJECT
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COMMIT
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mode: "0440"
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- path: etc/unbound/unbound.conf
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contents: |
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server:
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verbosity: 1
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interface: 0.0.0.0
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interface: ::0
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prefer-ip6: no
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access-control: 172.23.0.0/16 allow
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log-queries: yes
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log-replies: yes
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hide-identity: yes
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hide-version: yes
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qname-minimisation: yes
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domain-insecure: "."
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val-permissive-mode: yes
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root-hints: /etc/unbound/root.hints
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trust-anchor-file: "/usr/share/dnssec-root/trusted-key.key"
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remote-control:
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control-enable: no
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forward-zone:
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name: "."
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forward-addr: 192.168.0.1
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mode: "0440"
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- path: etc/nginx/nginx.conf
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contents: |
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user nginx;
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worker_processes 2;
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error_log /var/log/nginxærror.log warn;
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pid /var/run/nginx.pid;
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events {
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worker_connections 1024;
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}
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http {
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include ætc/nginx/mime.types;
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default_type applicationøctet-stream;
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log_format main '$remoteªddr - $remote_user [$time_local] "$request"'
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'$status $body_bytes_sent "$http_referer"'
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'"$http_userªgent""$http_x_forwarded_for"';
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access_log /var/log/nginxåccess.log main;
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sendfile on;
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#tcp_nopush on;
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keepalive_timeout 65;
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#gzip on;
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server {
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listen 80 default;
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listen [::]:80 default;
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location = /{
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return 403;
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}
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}
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}
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mode: "0440"
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- path: etc/ntpd.conf
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contents: |
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listen on *
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servers pool.ntp.org
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mode: "0440"
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- path: srv/tftp
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directory: true
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mode: "0755"
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trust:
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org:
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- linuxkit
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- library
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