3 files changed, 6 insertions, 0 deletions
diff --git a/src/http/modules/ngx_http_addition_filter_module.c b/src/http/modules/ngx_http_addition_filter_module.c
index 2fad0e59b..e546f0d60 100644
--- a/src/http/modules/ngx_http_addition_filter_module.c
+++ b/src/http/modules/ngx_http_addition_filter_module.c
@@ -123,6 +123,8 @@ ngx_http_addition_header_filter(ngx_http_request_t *r)
     ngx_http_clear_accept_ranges(r);
     ngx_http_weak_etag(r);
 
+    r->preserve_body = 1;
+
     return ngx_http_next_header_filter(r);
 }
 
diff --git a/src/http/modules/ngx_http_slice_filter_module.c b/src/http/modules/ngx_http_slice_filter_module.c
index 7b9de2713..c1edbca2b 100644
--- a/src/http/modules/ngx_http_slice_filter_module.c
+++ b/src/http/modules/ngx_http_slice_filter_module.c
@@ -190,6 +190,8 @@ ngx_http_slice_header_filter(ngx_http_request_t *r)
         return rc;
     }
 
+    r->preserve_body = 1;
+
     if (r->headers_out.status == NGX_HTTP_PARTIAL_CONTENT) {
         if (ctx->start + (off_t) slcf->size <= r->headers_out.content_offset) {
             ctx->start = slcf->size
diff --git a/src/http/modules/ngx_http_ssi_filter_module.c b/src/http/modules/ngx_http_ssi_filter_module.c
index b92ad4c02..b09ce2061 100644
--- a/src/http/modules/ngx_http_ssi_filter_module.c
+++ b/src/http/modules/ngx_http_ssi_filter_module.c
@@ -370,6 +370,8 @@ ngx_http_ssi_header_filter(ngx_http_request_t *r)
         ngx_http_clear_content_length(r);
         ngx_http_clear_accept_ranges(r);
 
+        r->preserve_body = 1;
+
         if (!slcf->last_modified) {
             ngx_http_clear_last_modified(r);
             ngx_http_clear_etag(r);