port fix

Author: vladkol

src/a2a/server/apps/jsonrpc/jsonrpc_app.py

@@ -502,7 +502,7 @@ def _modify_rpc_url(self, agent_card: AgentCard, request: Request) -> None:
             host = request.headers['X-Forwarded-Host']
         else:
             host = request.url.hostname or rpc_url.hostname or 'localhost'
-            port = request.url.port or rpc_url.port
+            port = request.url.port
 
         if 'X-Forwarded-Proto' in request.headers:
             scheme = request.headers['X-Forwarded-Proto']

src/a2a/server/apps/rest/rest_adapter.py

@@ -206,7 +206,7 @@ def _modify_rpc_url(self, agent_card: AgentCard, request: Request) -> None:
             host = request.headers['X-Forwarded-Host']
         else:
             host = request.url.hostname or rpc_url.hostname or 'localhost'
-            port = request.url.port or rpc_url.port
+            port = request.url.port
 
         if 'X-Forwarded-Proto' in request.headers:
             scheme = request.headers['X-Forwarded-Proto']