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ddclient: skip deprecated ipv6 #5253

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ddclient: skip deprecated ipv6 #5253

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ab673ff
skip deprecated ipv6
gewuerz-gurke Feb 23, 2026
d9d9dbc
ddclient: use deprecated address as long as no valid address is found
gewuerz-gurke Feb 24, 2026
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12 changes: 8 additions & 4 deletions dns/ddclient/src/opnsense/scripts/ddclient/lib/address.py
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Original file line number Diff line number Diff line change
Expand Up @@ -127,18 +127,22 @@ def checkip(service, proto='https', timeout='10', interface=None, dynipv6host=No
# invalid address
return ""
elif service in ['if', 'if6'] and interface is not None:
# return first non private IPv[4|6] interface address
# return first non private IPv[4|6] interface address. In case IPv6 address is deprecated return last
address = ''
ifcfg = subprocess.run(['/sbin/ifconfig', interface], capture_output=True, text=True).stdout
for line in ifcfg.split('\n'):
if line.startswith('\tinet'):
parts = line.split()
if (parts[0] == 'inet' and service == 'if') or (parts[0] == 'inet6' and service == 'if6'):
try:
address = transform_ip(parts[1], dynipv6host)
if address.is_global:
return str(address)
currentAddress = transform_ip(parts[1], dynipv6host)
if currentAddress.is_global:
address = currentAddress
if (service == 'if') or (service == 'if6' and 'deprecated' not in line):
break
except ValueError:
continue
return str(address)
elif service.lstrip('dns_') in checkip_dns_list:
svc_info = checkip_dns_list[service.lstrip('dns_')]
resolve_params = svc_info['resolve_params']
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