Changing the server name in the header

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1

1. Caddy version v2.4.6

2. How I run Caddy: Static web site

a. System environment: Ubuntu 20.04.3 LTS

d. My complete Caddyfile or JSON config:

testserver.com {
	root * /var/www/testserver.com

	header {
	    Strict-Transport-Security "max-age=31536000; includeSubtestservers; preload; always"
		X-Frame-Options "SAMEORIGIN"
		X-XSS-Protection "1; mode=block"
		X-Content-Type-Options "nosniff"
		server: test123webserver
	}
}

3. The problem I’m having:

we would like to change the name of the web server in the header

4. Error messages and/or full log output:

the name is still Caddy

5. What I already tried:

we tried also:

header -Server test123webserver

when we use curl -v testserver.com we still get:

* Connected to testserver.com (63.22.26.100) port 80 (#0)
> GET / HTTP/1.1
> Host: testserver.com
> User-Agent: curl/7.64.1
> Accept: */*
> 
< HTTP/1.1 308 Permanent Redirect
< Connection: close
< Location: https://testserver.com/
< Server: Caddy
< Date: Mon, 13 Dec 2021 16:57:05 GMT
< Content-Length: 0
< 
* Closing connection 0
2

Use curl -v https://testserver.com to see the changes reflected – remember, Caddy serves your site over HTTPS automatically.

3

thank you when using curl -v https://testserver.com it works!
but how do we make it work when using curl -v testserver.com

4

The site you’ve defined in your Caddyfile is for HTTPS (because Caddy is HTTPS-default), and the HTTP site that redirects the client to HTTPS is implicitly created by Caddy (as part of automatic HTTPS).

So to customize the HTTP site, simply add it to your Caddyfile, like any other site:

http://testserver.com {
    ...
}

Keep in mind that defining the HTTP site in your config will override Caddy’s implicit defaults, so you’ll also need to add the redirect back in if you want to keep that.

5

added it and it works perfectly thank you!!

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6

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