diff --git a/tests/test_utils.py b/tests/test_utils.py
index 4ff31392..4ba7ab2e 100644
--- a/tests/test_utils.py
+++ b/tests/test_utils.py
@@ -150,6 +150,28 @@ def test_get_repository_config_missing(config_file):
     assert utils.get_repository_from_config(config_file, "pypi") == exp
 
 
+def test_get_repository_config_url_with_auth(config_file):
+    repository_url = "https://user:pass@notexisting.python.org/pypi"
+    exp = {
+        "repository": "https://notexisting.python.org/pypi",
+        "username": "user",
+        "password": "pass",
+    }
+    assert utils.get_repository_from_config(config_file, "foo", repository_url) == exp
+    assert utils.get_repository_from_config(config_file, "pypi", repository_url) == exp
+
+
+@pytest.mark.parametrize(
+        "input_url, expected_url",
+        [
+            ("https://upload.pypi.org/legacy/", "https://upload.pypi.org/legacy/"),
+            ("https://user:pass@upload.pypi.org/legacy/", "https://********@upload.pypi.org/legacy/"),
+            ],
+        )
+def test_sanitize_url(input_url: str, expected_url: str) -> None:
+    assert utils.sanitize_url(input_url) == expected_url
+
+
 @pytest.mark.parametrize(
     "repo_url, message",
     [
diff --git a/twine/commands/upload.py b/twine/commands/upload.py
index 842ac859..235d11a4 100644
--- a/twine/commands/upload.py
+++ b/twine/commands/upload.py
@@ -149,27 +149,6 @@ def _split_inputs(
     return Inputs(dists, signatures, attestations_by_dist)
 
 
-def _sanitize_url(url: str) -> str:
-    """Sanitize a URL.
-
-    Sanitize URLs, removing any user:password combinations and replacing them with
-    asterisks.  Returns the original URL if the string is a non-matching pattern.
-
-    :param url:
-        str containing a URL to sanitize.
-
-    return:
-        str either sanitized or as entered depending on pattern match.
-    """
-    pattern = r"(.*https?://)(\w+:\w+)@(\w+\..*)"
-    m = re.match(pattern, url)
-    if m:
-        newurl = f"{m.group(1)}*****:*****@{m.group(3)}"
-        return newurl
-    else:
-        return url
-
-
 def upload(upload_settings: settings.Settings, dists: List[str]) -> None:
     """Upload one or more distributions to a repository, and display the progress.
 
@@ -211,7 +190,7 @@ def upload(upload_settings: settings.Settings, dists: List[str]) -> None:
     # Determine if the user has passed in pre-signed distributions or any attestations.
     uploads, signatures, attestations_by_dist = _split_inputs(dists)
 
-    print(f"Uploading distributions to {_sanitize_url(repository_url)}")
+    print(f"Uploading distributions to {utils.sanitize_url(repository_url)}")
 
     packages_to_upload = [
         _make_package(
@@ -272,8 +251,8 @@ def upload(upload_settings: settings.Settings, dists: List[str]) -> None:
         # redirects as well.
         if resp.is_redirect:
             raise exceptions.RedirectDetected.from_args(
-                repository_url,
-                resp.headers["location"],
+                utils.sanitize_url(repository_url),
+                utils.sanitize_url(resp.headers["location"]),
             )
 
         if skip_upload(resp, upload_settings.skip_existing, package):
diff --git a/twine/utils.py b/twine/utils.py
index 484a0234..00c46681 100644
--- a/twine/utils.py
+++ b/twine/utils.py
@@ -100,6 +100,24 @@ def get_config(path: str) -> Dict[str, RepositoryConfig]:
     return dict(config)
 
 
+def sanitize_url(url: str) -> str:
+    """Sanitize a URL.
+
+    Sanitize URLs, removing any user:password combinations and replacing them with
+    asterisks.  Returns the original URL if the string is a non-matching pattern.
+
+    :param url:
+        str containing a URL to sanitize.
+
+    return:
+        str either sanitized or as entered depending on pattern match.
+    """
+    uri = rfc3986.urlparse(url)
+    if uri.userinfo:
+        return uri.copy_with(userinfo="*" * 8).unsplit()
+    return url
+
+
 def _validate_repository_url(repository_url: str) -> None:
     """Validate the given url for allowed schemes and components."""
     # Allowed schemes are http and https, based on whether the repository
@@ -126,11 +144,7 @@ def get_repository_from_config(
     # Prefer CLI `repository_url` over `repository` or .pypirc
     if repository_url:
         _validate_repository_url(repository_url)
-        return {
-            "repository": repository_url,
-            "username": None,
-            "password": None,
-        }
+        return _config_from_repository_url(repository_url)
 
     try:
         config = get_config(config_file)[repository]
@@ -154,6 +168,18 @@ def get_repository_from_config(
 }
 
 
+def _config_from_repository_url(url: str) -> RepositoryConfig:
+    parsed = urlparse(url)
+    config = {"repository": url, "username": None, "password": None}
+    if parsed.username:
+        config["username"] = parsed.username
+        config["password"] = parsed.password
+        config["repository"] = urlunparse((parsed.scheme, parsed.hostname) +
+                                          parsed[2:])
+    config["repository"] = normalize_repository_url(config["repository"])
+    return config
+
+
 def normalize_repository_url(url: str) -> str:
     parsed = urlparse(url)
     if parsed.netloc in _HOSTNAMES: