Manual:$wgCanonicalServer/ja

詳細
Server name with protocol (HTTP or HTTPS) to use for links to the wiki from IRC feeds and email notifications. $wgServer がプロトコル相対であっても、完全なドメイン (FQDN) を指定してください.

You can often ignore this variable. However, if you have set $wgServer to a protocol-relative URL (for example, ) and you would like links to your wiki to use HTTPS, set this variable to the equivalent HTTPS URL (for example,  ).