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 Topic: ServerNames with Trailing Dot |
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jmweb
Joined: 08 Jun 2017
Posts: 22
Location: USA, Charlotte
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 Posted: Thu 27 Feb '25 6:13 Post subject: ServerNames with Trailing Dot |
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What is the most efficient way to redirect requests for a hostname with a trailing dot to its dotless counterpart?
I considered creating a separate VirtualHost with the trailing dot variant as the ServerName, but it seems Apache strips the trailing dot automatically.
For example, I attempted the following configuration:
| Code: |
<VirtualHost *:80>
ServerName domain.tld.
Redirect rule here
</VirtualHost>
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However, Apache appears to normalize ServerName, treating both domain.tld. and domain.tld as the same, making this approach ineffective. |
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jmweb
Joined: 08 Jun 2017
Posts: 22
Location: USA, Charlotte
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| Posted: Fri 28 Feb '25 5:43 Post subject: |
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I was unable to offload the rewrite overhead to separate VirtualHosts set for hosts with trailing dots. Here is my solution in the event someone wants to accomplish the same.
| Code: |
RewriteEngine on
<If "%{SERVER_PORT} =~ /^(80|443)$/">
RewriteCond %{HTTP_HOST} ^(.+?)\.+$
RewriteRule .? %{REQUEST_SCHEME}://%1%{REQUEST_URI} [R=301,END]
</If>
<Else>
RewriteCond %{HTTP_HOST} ^(.+?)\.+$
RewriteRule .? %{REQUEST_SCHEME}://%1:%{SERVER_PORT}%{REQUEST_URI} [R=301,END]
</Else>
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James Blond
Moderator
Joined: 19 Jan 2006
Posts: 7399
Location: EU, Germany, Next to Hamburg
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| Posted: Tue 04 Mar '25 9:43 Post subject: |
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I've never seen a domain in the wild ending with a dot.
I'm just curious why you have that. |
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jmweb
Joined: 08 Jun 2017
Posts: 22
Location: USA, Charlotte
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| Posted: Tue 04 Mar '25 10:07 Post subject: |
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| James Blond wrote: | I've never seen a domain in the wild ending with a dot.
I'm just curious why you have that. |
I created an httpd log analyzer that reports requests that fail to match specified host, request and referrer combinations. The script detected a invalid referrer but only because it contained a trailing dot. It is likely someone bookmarked the website and accidentally added a trailing dot. So, I would like to redirect these occurences.
1. https://www.google.com./ properly redirects.
2. https://www.apachelounge.com. fails with too many redirects.
3. https://httpd.apache.org./ supports it. |
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