Zimbra has always been able to block files with certain extensions, like *.scr, *.ocx etc. but now the new attribute 'zimbraFileUploadBlockedFileTypes' can also be used to block by File Type -- regardless of the extension.
This is a good thing, but I don't seem to be able to find any documentation about it (other than 'zmprov desc -a zimbraFileUploadBlockedFileTypes' of course).
Users started complaining they couldn't upload Office documents any longer to attach them to emails, after we did a Rolling Upgrade to Zimbra 10. We've never blocked these so this was bit of a surprise.
Once we cleared the setting from all of our Classes of Service, all was good.
If you do like:
You can then do, for all of your Classes of Service, like:
Probably good afterwards also to do:
This new attribute does not apparently replace the attribute ' zimbraMtaBlockedExtension' which is what you set when you go to the Admin Console > Home > Configure > Global Settings > Attachments. We had earlier added 'shtml' to zimbraMtaBlockedExtension. Our rolling upgrade to Zimbra 10 seemingly removed that, so we had to add it back.
If someone has a link to where this is documented, and I just missed it, I would be grateful if you would kindly post that documentation link please.
Hope that helps,
Mark
This is a good thing, but I don't seem to be able to find any documentation about it (other than 'zmprov desc -a zimbraFileUploadBlockedFileTypes' of course).
Users started complaining they couldn't upload Office documents any longer to attach them to emails, after we did a Rolling Upgrade to Zimbra 10. We've never blocked these so this was bit of a surprise.
Once we cleared the setting from all of our Classes of Service, all was good.
If you do like:
Code:
zimbra@mb32:~$ zmprov gc default zimbraFileUploadBlockedFileTypes# name defaultzimbraFileUploadBlockedFileTypes: asdzimbraFileUploadBlockedFileTypes: batzimbraFileUploadBlockedFileTypes: chmzimbraFileUploadBlockedFileTypes: cmdzimbraFileUploadBlockedFileTypes: comzimbraFileUploadBlockedFileTypes: dllzimbraFileUploadBlockedFileTypes: dozimbraFileUploadBlockedFileTypes: exezimbraFileUploadBlockedFileTypes: hlpzimbraFileUploadBlockedFileTypes: htazimbraFileUploadBlockedFileTypes: jszimbraFileUploadBlockedFileTypes: jsezimbraFileUploadBlockedFileTypes: lnkzimbraFileUploadBlockedFileTypes: ocxzimbraFileUploadBlockedFileTypes: pifzimbraFileUploadBlockedFileTypes: regzimbraFileUploadBlockedFileTypes: scrzimbraFileUploadBlockedFileTypes: shbzimbraFileUploadBlockedFileTypes: shmzimbraFileUploadBlockedFileTypes: shszimbraFileUploadBlockedFileTypes: vbezimbraFileUploadBlockedFileTypes: vbszimbraFileUploadBlockedFileTypes: vbxzimbraFileUploadBlockedFileTypes: vxdzimbraFileUploadBlockedFileTypes: wsfzimbraFileUploadBlockedFileTypes: wshzimbraFileUploadBlockedFileTypes: xlzimbraFileUploadBlockedFileTypes: application/x-ms*zimbraFileUploadBlockedFileTypes: application/x-dosexeczimbra@mb32:~$ Code:
zmprov mc default -zimbraFileUploadBlockedFileTypes 'application/x-ms*'Code:
zmprov fc -a allIf someone has a link to where this is documented, and I just missed it, I would be grateful if you would kindly post that documentation link please.
Hope that helps,
Mark
Statistics: Posted by L. Mark Stone — Mon Jan 08, 2024 8:49 pm