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do not add "Connection: keep=alive" when possible

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for HTTP/1.0 this header is required, for HTTP/1.1 not
This commit is contained in:
Ilia Shipitsin 2025-12-27 20:27:19 +01:00
parent 6a67f71a4a
commit b7387ea76f
1 changed files with 6 additions and 2 deletions
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8
src/http/ngx_http_header_filter_module.c
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@ -387,7 +387,9 @@ ngx_http_header_filter(ngx_http_request_t *r)
len += sizeof("Connection: upgrade" CRLF) - 1;
} else if (r->keepalive) {
len += sizeof("Connection: keep-alive" CRLF) - 1;
if ((r->http_version == NGX_HTTP_VERSION_10) || (clcf->keepalive_header)) {
len += sizeof("Connection: keep-alive" CRLF) - 1;
}
/*
* MSIE and Opera ignore the "Keep-Alive: timeout=<N>" header.
@ -564,8 +566,10 @@ ngx_http_header_filter(ngx_http_request_t *r)
sizeof("Connection: upgrade" CRLF) - 1);
} else if (r->keepalive) {
b->last = ngx_cpymem(b->last, "Connection: keep-alive" CRLF,
if ((r->http_version == NGX_HTTP_VERSION_10) || (clcf->keepalive_header)) {
b->last = ngx_cpymem(b->last, "Connection: keep-alive" CRLF,
sizeof("Connection: keep-alive" CRLF) - 1);
}
if (clcf->keepalive_header) {
b->last = ngx_sprintf(b->last, "Keep-Alive: timeout=%T" CRLF,