PYTHON-3800 Add lower() to node when validate hosts of srv records (#1289)

(cherry picked from commit 7d7118bde4)
2023-07-06 01:40:20 +09:00 · 2023-07-06 01:40:20 +09:00 · 32b2b32780
commit 32b2b32780
parent 8212683a13
1 changed files with 1 additions and 1 deletions
--- a/pymongo/srv_resolver.py
+++ b/pymongo/srv_resolver.py
@ -108,7 +108,7 @@ class _SrvResolver:
        # Validate hosts
        for node in nodes:
            try:
-                nlist = node[0].split(".")[1:][-self.__slen :]
+                nlist = node[0].lower().split(".")[1:][-self.__slen :]
            except Exception:
                raise ConfigurationError(f"Invalid SRV host: {node[0]}")
            if self.__plist != nlist: