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# diff -Nau nginx-1.30.0/src/http/ngx_http_header_filter_module.c nginx-1.30.0_patched/src/http/ngx_http_header_filter_module.c > nginx-without-server-header/ngx_http_header_filter_module.c.patch
--- nginx-1.30.0/src/http/ngx_http_header_filter_module.c 2026-04-14 10:10:11.000000000 -0300
+++ nginx-1.30.0_patched/src/http/ngx_http_header_filter_module.c 2026-04-16 20:17:45.472364011 -0300
@@ -47,9 +47,7 @@
};
-static u_char ngx_http_server_string[] = "Server: nginx" CRLF;
-static u_char ngx_http_server_full_string[] = "Server: " NGINX_VER CRLF;
-static u_char ngx_http_server_build_string[] = "Server: " NGINX_VER_BUILD CRLF;
+static u_char ngx_http_server_string[] = "Server: ws" CRLF;
static ngx_str_t ngx_http_early_hints_status_line =
ngx_string("HTTP/1.1 103 Early Hints" CRLF);
@@ -287,17 +285,10 @@
clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
- if (r->headers_out.server == NULL) {
- if (clcf->server_tokens == NGX_HTTP_SERVER_TOKENS_ON) {
- len += sizeof(ngx_http_server_full_string) - 1;
-
- } else if (clcf->server_tokens == NGX_HTTP_SERVER_TOKENS_BUILD) {
- len += sizeof(ngx_http_server_build_string) - 1;
-
- } else {
- len += sizeof(ngx_http_server_string) - 1;
- }
- }
+ if ( (r->headers_out.server == NULL) &&
+ (clcf->server_tokens == NGX_HTTP_SERVER_TOKENS_ON) ) {
+ len += sizeof(ngx_http_server_string) - 1;
+ }
if (r->headers_out.date == NULL) {
len += sizeof("Date: Mon, 28 Sep 1970 06:00:00 GMT" CRLF) - 1;
@@ -456,20 +447,11 @@
}
*b->last++ = CR; *b->last++ = LF;
- if (r->headers_out.server == NULL) {
- if (clcf->server_tokens == NGX_HTTP_SERVER_TOKENS_ON) {
- p = ngx_http_server_full_string;
- len = sizeof(ngx_http_server_full_string) - 1;
-
- } else if (clcf->server_tokens == NGX_HTTP_SERVER_TOKENS_BUILD) {
- p = ngx_http_server_build_string;
- len = sizeof(ngx_http_server_build_string) - 1;
-
- } else {
- p = ngx_http_server_string;
- len = sizeof(ngx_http_server_string) - 1;
- }
-
+ if ( (r->headers_out.server == NULL) &&
+ (clcf->server_tokens == NGX_HTTP_SERVER_TOKENS_ON) ) {
+ p = ngx_http_server_string;
+ len = sizeof(ngx_http_server_string) - 1;
+
b->last = ngx_cpymem(b->last, p, len);
}
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