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133 lines
3.1 KiB
Markdown
133 lines
3.1 KiB
Markdown
# Forwarder setup
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Configuration of common resolver softwares, to forward DNS queries for `.dn42` (and reverse DNS) to `172.22.0.53`.
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## BIND
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If you already run a local DNS server, you can tell it to query the dn42 anycast servers for the relevant domains
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by adding the following to /etc/bind/named.conf.local
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```
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zone "dn42" {
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type forward;
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forwarders { 172.22.0.53; };
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};
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zone "22.172.in-addr.arpa" {
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type forward;
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forwarders { 172.22.0.53; };
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};
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zone "23.172.in-addr.arpa" {
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type forward;
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forwarders { 172.22.0.53; };
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};
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```
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## dnsmasq
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If you are running dnsmasq under openwrt, you just have to add
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```
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config dnsmasq
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option boguspriv '0'
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option rebind_protection '1'
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list rebind_domain 'dn42'
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list server '/dn42/172.22.0.53'
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list server '/22.172.in-addr.arpa/172.22.0.53'
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list server '/23.172.in-addr.arpa/172.22.0.53'
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```
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to `/etc/config/dhcp` and run `/etc/init.d/dnsmasq` restart. After that you are able to resolve `.dn42`
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with the anycast DNS-Server, while your normal requests go to your standard DNS-resolver.
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Attention: If you go with the default config you'll have to disable "boguspriv" in the first dnsmasq config section.
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For normal dnsmasq use
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```
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server=/dn42/172.22.0.53
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server=/22.172.in-addr.arpa/172.22.0.53
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server=/23.172.in-addr.arpa/172.22.0.53
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```
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in `dnsmasq.conf`.
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## PowerDNS recursor
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Add this to /etc/powerdns/recursor.conf (at least in Debian)
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```
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dont-query=127.0.0.0/8, 10.0.0.0/8, 192.168.0.0/16, ::1/128, fe80::/10
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forward-zones= dn42=172.22.0.53,22.172.in-addr.arpa=172.22.0.53,23.172.in-addr.arpa=172.22.0.53
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```
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## MaraDNS
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Put this in your mararc:
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```
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ipv4_alias["dn42_root"] = "172.22.0.53"
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root_servers["dn42."] = "dn42_root"
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root_servers["22.172.in-addr.arpa."] = "dn42_root"
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root_servers["23.172.in-addr.arpa."] = "dn42_root"
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```
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## Unbound
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`unbound.conf` for forwarding requests to `172.22.0.53`.
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```
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server:
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domain-insecure: "dn42"
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local-zone: "22.172.in-addr.arpa." nodefault
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local-zone: "23.172.in-addr.arpa." nodefault
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local-zone: "d.f.ip6.arpa." nodefault
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forward-zone:
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name: "dn42"
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forward-addr: 172.22.0.53
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forward-zone:
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name: "22.172.in-addr.arpa"
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forward-addr: 172.22.0.53
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forward-zone:
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name: "23.172.in-addr.arpa"
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forward-addr: 172.22.0.53
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forward-zone:
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name: "d.f.ip6.arpa"
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forward-addr: 172.22.0.53
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```
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## JunOS (SRX 12.1X46)
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Should also work in 12.1X44 and 12.1X45. After making the changes below you may need to run:
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```
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restart named-service
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```
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Config (vlan.0 is presumed to be your LAN/Trust interface)
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```
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system {
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services {
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dns {
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dns-proxy {
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interface {
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vlan.0;
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}
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default-domain dn42 {
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forwarders {
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172.22.0.53;
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}
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}
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default-domain 22.172.in-addr.arpa {
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forwarders {
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172.22.0.53;
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}
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}
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default-domain 23.172.in-addr.arpa {
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forwarders {
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172.22.0.53;
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}
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}
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}
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}
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}
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}
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``` |