Symantec Endpoint Protection Manager's Apache server may be configured as a reverse proxy to provide LiveUpdate content to Mac and Linux clients. Clients receive updates, but the cache-root folder on the SEPM does not appear to be filling with cached LiveUpdate content. Or the SEPM Apache reverse proxy appears to be re-downloading the same content from Symantec LiveUpdate rather than storing it in the cache-root folder.
LiveUpdate content header properties may include directives that prohibit proxy caching.
When configuring SEPM Apache server as a reverse proxy to server Mac or Linux LiveUpdate content, ensure that the following lines are inserted into httpd.conf. These directives will override and caching prohibitions that may be in the LiveUpdate content headers:
CacheStoreNoStore On CacheIgnoreCacheControl On CacheStoreExpired On CacheIgnoreHeaders Cache-Control Pragma
Additionally, on SEP Linux clients, edit the liveupdate.conf file (TECH123038, TECH228869) and set serverlogging=false.
Refer to HOWTO85034 for complete instructions; that article has been edited to include these steps.
SEPM reverse proxy is not caching LU content
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