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Diffstat (limited to 'src/http/modules/ngx_http_grpc_module.c')
-rw-r--r--src/http/modules/ngx_http_grpc_module.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/http/modules/ngx_http_grpc_module.c b/src/http/modules/ngx_http_grpc_module.c
index 654bd17b9..65bd1e6c3 100644
--- a/src/http/modules/ngx_http_grpc_module.c
+++ b/src/http/modules/ngx_http_grpc_module.c
@@ -3384,7 +3384,7 @@ ngx_http_grpc_validate_header_name(ngx_http_request_t *r, ngx_str_t *s)
return NGX_ERROR;
}
- if (ch == '\0' || ch == CR || ch == LF) {
+ if (ch <= 0x20 || ch == 0x7f) {
return NGX_ERROR;
}
}