Merge branch 'sazhar1-master-patch-60945' into 'master'

Update environment-variables.md for a known issue

See merge request https://gitlab.com/gitlab-org/omnibus-gitlab/-/merge_requests/8077



Merged-by: Achilleas Pipinellis <axil@gitlab.com>
Approved-by: Evan Read <eread@gitlab.com>
Reviewed-by: Achilleas Pipinellis <axil@gitlab.com>
Co-authored-by: Shaik Azhar <sazhar@gitlab.com>

doc/settings/environment-variables.md

@@ -91,3 +91,7 @@ gitlab_rails['env'] = {
     "https_proxy" => "http://<USERNAME>:<PASSWORD>@example.com:8080"
 }
 ```
+
+### Error: `Connection reset by peer` when mirroring repositories
+
+If the `no_proxy` value includes port numbers in the URLs, it may cause DNS resolution failures. Remove any port numbers from the `no_proxy` URLs to resolve this issue.