#33976: HTTP_HOST does not allow an ipv6 not enclosed in []
---------------------------------------+------------------------
Reporter: eburghar | Owner: nobody
Type: Bug | Status: new
Component: Core (URLs) | Version: 3.2
Severity: Normal | Keywords: ipv6
Triage Stage: Unreviewed | Has patch: 0
Needs documentation: 0 | Needs tests: 0
Patch needs improvement: 0 | Easy pickings: 0
UI/UX: 0 |
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Hi,
If I'm not mistaken, brackets are optional for an ipv6 address without
port number. The problem is that it confuses django. In `asgi.py` we have
```
Invalid HTTP_HOST header: '2001:x:y:z:0:0:0:1'. The domain name provided
is not valid according to RFC 1034/1035.
```
which can be fixed by changing `django.http.request.host_validation_re` to
`_lazy_re_compile(r"[a-zA-z0-9.:]*")`
but it also triggers an exception with `asgi.py`
```
2022/09/02 07:57:10 [alert] 422#422 [unit] Python failed to call
'loop.call_soon'
Traceback (most recent call last):
File "/usr/lib/python3.10/asyncio/base_events.py", line 750, in
call_soon
self._check_closed()
ValueError: invalid literal for int() with base 10: 'x:y:z:0:0:0:1'
2022/09/02 07:57:25 [alert] 422#422 [unit] #23: Python failed to create
'client' pair
```
--
Ticket URL: <https://code.djangoproject.com/ticket/33976>
Django <https://code.djangoproject.com/>
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