Apache 2.2 and above:

AuthType           Digest
AuthName           "MythTV"
AuthUserFile       /var/www/htdigest
Require            valid-user
BrowserMatch       "MSIE"      AuthDigestEnableQueryStringHack=On

Apache earlier than 2.2

AuthType           Digest
AuthName           "MythTV"
AuthDigestFile     /var/www/htdigest
Require            valid-user
BrowserMatch       "MSIE"      AuthDigestEnableQueryStringHack=On