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| author | Viacheslav Hletenko <v.gletenko@vyos.io> | 2022-07-04 18:16:06 +0000 |
|---|---|---|
| committer | Christian Poessinger <christian@poessinger.com> | 2022-07-07 12:09:42 +0200 |
| commit | 1577dc53f144d8a7c4438ca98a574102bea14c6b (patch) | |
| tree | 37763e27fc7445e9058e40937cad2d0cb2d8a57c /src/conf_mode/dns_forwarding.py | |
| parent | f315714d0c680ad80a79dcdac21576407794dcd1 (diff) | |
| download | vyos-1x-1577dc53f144d8a7c4438ca98a574102bea14c6b.tar.gz vyos-1x-1577dc53f144d8a7c4438ca98a574102bea14c6b.zip | |
dns: T4509: Add dns64-prefix option
rfc6147: DNS Extensions for Network Address Translation
from IPv6 Clients to IPv4 Servers
set service dns forwarding dns64-prefix 2001:db8:aabb::/96
(cherry picked from commit 2bdf4798570222b57af2de2f0b443529abdc3feb)
Diffstat (limited to 'src/conf_mode/dns_forwarding.py')
| -rwxr-xr-x | src/conf_mode/dns_forwarding.py | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/conf_mode/dns_forwarding.py b/src/conf_mode/dns_forwarding.py index bc3821f61..997f839b2 100755 --- a/src/conf_mode/dns_forwarding.py +++ b/src/conf_mode/dns_forwarding.py @@ -83,6 +83,12 @@ def verify(dns): if 'server' not in dns['domain'][domain]: raise ConfigError(f'No server configured for domain {domain}!') + if 'dns64_prefix' in dns: + dns_prefix = dns['dns64_prefix'].split('/')[1] + # RFC 6147 requires prefix /96 + if int(dns_prefix) != 96: + raise ConfigError('DNS forwarding "dns64-prefix" must be /96') + if 'system' in dns: if not 'system_name_server' in dns: print('Warning: No "system name-server" configured') |