ddns-scripts: introduce use_network option #26031
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This new option is used to prevent issues caused when forcing the network interface used on GNU Wget and cURL when the interface is IPv6 and the DDNS provider host is IPv4-only. An example would be trying to update an IPv6 from HE 6in4 interface to OVH, which is IPv4-only: Non-authoritative answer: dns.eu.ovhapis.com canonical name = eu.ovhapis.com. Name: eu.ovhapis.com Address: 141.95.186.231 131133 note : PID '21141' started at 2025-02-21 13:11 131133 : ddns version : 2.8.2-52 131133 : uci configuration: ddns.router6.dns_server='dns100.ovh.net' ddns.router6.domain='****domain****' ddns.router6.enabled='1' ddns.router6.interface='henet' ddns.router6.ip_network='henet' ddns.router6.ip_source='network' ddns.router6.lookup_host='****lookup_host****' ddns.router6.password='***PW***' ddns.router6.service_name='ovh.com' ddns.router6.use_https='1' ddns.router6.use_ipv6='1' ddns.router6.use_syslog='2' ddns.router6.username='****username****' ddns.router6=service 131133 : verbose mode : 0 - run normal, NO console output 131133 : check interval: 600 seconds 131133 : force interval: 259200 seconds 131133 : retry interval: 60 seconds 131133 : retry max count : 0 times 131133 : No old process 131133 : last update: never 131133 : Detect registered/public IP 131133 : #> /usr/bin/drill -V0 -u ****domain**** @dns100.ovh.net AAAA >/var/run/ddns/router6.dat 2>/var/run/ddns/router6.err 131133 : Registered IP '2600:XXXX:XXXX::XXXX' detected 131133 info : Starting main loop at 2025-02-21 13:11 131133 : Detect current IP on 'network' 131133 : Current IP '2001:XXXX:XXXX:XXXX::XXXX' detected on network 'henet' 131133 : Update needed - L: '2001:XXXX:XXXX:XXXX:XXXX:XXXX:XXXX:XXXX' <> R: '2600:XXXX:XXXX:XXXX:XXXX:XXXX:XXXX:XXXX' 131133 : Force communication via IP '2001:XXXX:XXXX:XXXX::XXXX' 131133 : #> /usr/bin/wget --hsts-file=/tmp/.wget-hsts -nv -t 1 -O /var/run/ddns/router6.dat -o /var/run/ddns/router6.err --bind-address=2001:XXXX:XXXX:XXXX::XXXX --no-proxy 'https://***USERNAME***:***PW***@dns.eu.ovhapis.com/nic/update?system=dyndns&hostname=***HOSTNAME***&myip=2001:XXXX:XXXX:XXXX:XXXX:XXXX:XXXX:XXXX' 131133 ERROR : GNU Wget Error: '4' 131133 : failed: Address family not supported by protocol. 131133 WARN : Transfer failed - retry 1/0 in 60 seconds Signed-off-by: Álvaro Fernández Rojas <[email protected]>
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Maintainer: me / @feckert
Compile tested: N/A
Run tested: N/A
Description:
This new option is used to prevent issues caused when forcing the network interface used on GNU Wget and cURL when the interface is IPv6 and the DDNS provider host is IPv4-only.
An example would be trying to update an IPv6 from HE 6in4 interface to OVH, which is IPv4-only: