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(cherry picked from commit 26740a8d583f64dc0a27b59dd4ae303056972c0b)
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The script's name is always provided as the first argument sys.argv[0]
Expected length for argv is 2 (script itself + config file)
Change: 'if (len(argv) < 1)' to 'if len(argv) < 2'
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This would allow using custom ports in name server operating on non-
default port for forwarding zones.
This is a follow-up to T5113 for sake of completeness and having
consistent treatment of all name servers configured in PowerDNS recursor.
Additionally, migrate `service dns forwarding domain example.com server`
to `service dns forwarding domain foo3.com name-server` for consistency
and reusability.
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Add new nodes for 'service dns forwarding domain':
'addnta': adds addNTA to lua-config-file
'recursion-desired': sets '+' before the zone in forward-zones-file
The migrator sets both options for all configured domains. This is
usually the desired config.
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Commit bbea850ea5f ("ifconfig: T2057: remove need for interface-types.json")
called the Interface() class with a wrong input variable, this caused the
following error:
Traceback (most recent call last):
File "/opt/vyatta/etc/config-migrate/migrate/dns-forwarding/1-to-2", line 64, in <module>
raise ValueError(f'Invalid interface name {intf}')
ValueError: Invalid interface name eth0 vif 202
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Netmasks (both IPv4 and IPv6) that are allowed to use the server. The default
allows access only from RFC 1918 private IP addresses. Due to the aggressive
nature of the internet these days, it is highly recommended to not open up the
recursor for the entire internet. Questions from IP addresses not listed here
are ignored and do not get an answer.
https://docs.powerdns.com/recursor/settings.html#allow-from
Imagine an ISP network with non RFC1918 IP adresses - they can't make
use of PowerDNS recursor.
As of now VyOS hat allow-from set to 0.0.0.0/0 and ::/0 which created an open
resolver. If there is no allow-from statement a config-migrator will add
the appropriate nodes to the configuration, resulting in:
service {
dns {
forwarding {
allow-from 0.0.0.0/0
allow-from ::/0
cache-size 0
ignore-hosts-file
listen-address 192.0.2.1
}
}
}
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