Open
Description
When using an IPv6 link local address with requests > v2.31.0, seeing an error [Errno -2] Name or service not known. The same works with requests 2.31.0.
urllib3 2.2.1 also works successfully with IPv6 link local address .
urllib3 2.2.1 with IPv6 link local address
>>> import urllib3
>>> http = urllib3.PoolManager(cert_reqs='CERT_NONE')
>>> res = http.request("GET", "https://[fe80::5eed:8cff:fe00:0da4%ens192]/redfish/v1")
/root/new-requests/venv/lib/python3.10/site-packages/urllib3/connectionpool.py:1103: InsecureRequestWarning: Unverified HTTPS request is being made to host 'fe80::5eed:8cff:fe00:0da4%ens192'. Adding certificate verification is strongly advised. See: https://urllib3.readthedocs.io/en/latest/advanced-usage.html#tls-warnings
warnings.warn(
>>> res.status
200
requests 2.31.0 with IPv6 link local address
>>> import requests
>>> res = requests.get("https://[fe80::5eed:8cff:fe00:0da4%ens192]/redfish/v1", verify=False)
>>> res.status_code
200
Expected Result
Successful connection with versions 2.32.x
Actual Result
>>> import requests
>>> res = requests.get("https://[fe80::5eed:8cff:fe00:0da4%ens192]/redfish/v1", verify=False)
Traceback (most recent call last):
File "/root/new-requests/venv/lib/python3.10/site-packages/urllib3/connection.py", line 198, in _new_conn
sock = connection.create_connection(
File "/root/new-requests/venv/lib/python3.10/site-packages/urllib3/util/connection.py", line 60, in create_connection
for res in socket.getaddrinfo(host, port, family, socket.SOCK_STREAM):
File "/usr/lib/python3.10/socket.py", line 955, in getaddrinfo
for res in _socket.getaddrinfo(host, port, family, type, proto, flags):
socket.gaierror: [Errno -2] Name or service not known
The above exception was the direct cause of the following exception:
Traceback (most recent call last):
File "/root/new-requests/venv/lib/python3.10/site-packages/urllib3/connectionpool.py", line 793, in urlopen
response = self._make_request(
File "/root/new-requests/venv/lib/python3.10/site-packages/urllib3/connectionpool.py", line 491, in _make_request
raise new_e
File "/root/new-requests/venv/lib/python3.10/site-packages/urllib3/connectionpool.py", line 467, in _make_request
self._validate_conn(conn)
File "/root/new-requests/venv/lib/python3.10/site-packages/urllib3/connectionpool.py", line 1099, in _validate_conn
conn.connect()
File "/root/new-requests/venv/lib/python3.10/site-packages/urllib3/connection.py", line 616, in connect
self.sock = sock = self._new_conn()
File "/root/new-requests/venv/lib/python3.10/site-packages/urllib3/connection.py", line 205, in _new_conn
raise NameResolutionError(self.host, self, e) from e
urllib3.exceptions.NameResolutionError: <urllib3.connection.HTTPSConnection object at 0x716b63d403d0>: Failed to resolve 'fe80::5eed:8cf00:0da4%25ens192' ([Errno -2] Name or service not known)
The above exception was the direct cause of the following exception:
Traceback (most recent call last):
File "/root/new-requests/venv/lib/python3.10/site-packages/requests/adapters.py", line 667, in send
resp = conn.urlopen(
File "/root/new-requests/venv/lib/python3.10/site-packages/urllib3/connectionpool.py", line 847, in urlopen
retries = retries.increment(
File "/root/new-requests/venv/lib/python3.10/site-packages/urllib3/util/retry.py", line 515, in increment
raise MaxRetryError(_pool, url, reason) from reason # type: ignore[arg-type]
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='fe80::5eed:8cff:fe00:0da4%25ens192', port=443): Max retries exceeded with urredfish/v1 (Caused by NameResolutionError("<urllib3.connection.HTTPSConnection object at 0x716b63d403d0>: Failed to resolve 'fe80::5eed::fe00:0da4%25ens192' ([Errno -2] Name or service not known)"))
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "/root/new-requests/venv/lib/python3.10/site-packages/requests/api.py", line 73, in get
return request("get", url, params=params, **kwargs)
File "/root/new-requests/venv/lib/python3.10/site-packages/requests/api.py", line 59, in request
return session.request(method=method, url=url, **kwargs)
File "/root/new-requests/venv/lib/python3.10/site-packages/requests/sessions.py", line 589, in request
resp = self.send(prep, **send_kwargs)
File "/root/new-requests/venv/lib/python3.10/site-packages/requests/sessions.py", line 703, in send
r = adapter.send(request, **kwargs)
File "/root/new-requests/venv/lib/python3.10/site-packages/requests/adapters.py", line 700, in send
raise ConnectionError(e, request=request)
requests.exceptions.ConnectionError: HTTPSConnectionPool(host='fe80::5eed:8cff:fe00:0da4%25ens192', port=443): Max retries exceeded with: /redfish/v1 (Caused by NameResolutionError("<urllib3.connection.HTTPSConnection object at 0x716b63d403d0>: Failed to resolve 'fe80::5ecff:fe00:0da4%25ens192' ([Errno -2] Name or service not known)"))
Reproduction Steps
import requests
res = requests.get("https://[fe80::5eed:8cff:fe00:0da4%ens192]/redfish/v1", verify=False)System Information
$ python -m requests.help
{
"chardet": {
"version": null
},
"charset_normalizer": {
"version": "3.3.2"
},
"cryptography": {
"version": ""
},
"idna": {
"version": "3.7"
},
"implementation": {
"name": "CPython",
"version": "3.10.12"
},
"platform": {
"release": "6.5.0-27-generic",
"system": "Linux"
},
"pyOpenSSL": {
"openssl_version": "",
"version": null
},
"requests": {
"version": "2.32.3"
},
"system_ssl": {
"version": "30000020"
},
"urllib3": {
"version": "2.2.1"
},
"using_charset_normalizer": true,
"using_pyopenssl": false
}
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