diff --git a/graph b/graph index 7961e33..a163bfd 100755 --- a/graph +++ b/graph @@ -145,10 +145,13 @@ if [ -z "$graph" ] then cat <<-EOHTML content-type: application/xhtml+xml - Last-Modified: $(LC_ALL=C TZ=GMT date +'%a, %d %b %Y %X %Z') - Expires: $(LC_ALL=C TZ=GMT date +'%a, %d %b %Y %X %Z' -d '1 day') + Last-Modified: $( + LC_ALL=C TZ=GMT date +'%a, %d %b %Y %X %Z' \ + -d @$(rrdtool last ingress.rrd) + ) + Expires: $(LC_ALL=C TZ=GMT date +'%a, %d %b %Y %X %Z' -d '1 hour') + Cache-Control: max-age=0, must-revalidate refresh: 600 - Cache-Control: max-age=86400, must-revalidate