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-rw-r--r--include/functions.php3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/functions.php b/include/functions.php
index 6c7a6de5f..277975c5c 100644
--- a/include/functions.php
+++ b/include/functions.php
@@ -57,6 +57,9 @@
// do not cache files smaller than that (bytes)
define_default('CACHE_MAX_DAYS', 7);
// max age in days for various automatically cached (temporary) files
+ define_default('MAX_CONDITIONAL_INTERVAL', 3600*6);
+ // max interval between forced unconditional updates for servers
+ // not complying with http if-modified-since (seconds)
/* tunables end here */