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nginx server_name based on $hostname

.everyoneloves__top-leaderboard:empty,.everyoneloves__mid-leaderboard:empty,.everyoneloves__bot-mid-leaderboard:empty height:90px;width:728px;box-sizing:border-box;

7

2

Based on the Nginx wiki the $hostname variable is set to the machine's hostname as returned by gethostname.

I tried that and although gethostname doesn't work my Debian box it still returns the host correctly.
Then I tried to use that variable $hostname to set the server_name, but that didn't work.

Why is that and is there another way I can accomplish that?

server 
 listen 80;

 autoindex off;

 server_name static.$hostname;
 root /var/www/static;

 access_log /var/log/nginx/localhost.access.log;

 location / 
 index index.html;
 

 error_page 404 /404.html;
 error_page 500 502 503 504 /50x.html;

nginx hostname

share|improve this question

edited Jul 20 '18 at 15:45

Community♦

1

asked Dec 7 '11 at 11:30

RoboTamerRoboTamer

3371315

add a comment | 

7

2

Based on the Nginx wiki the $hostname variable is set to the machine's hostname as returned by gethostname.

I tried that and although gethostname doesn't work my Debian box it still returns the host correctly.
Then I tried to use that variable $hostname to set the server_name, but that didn't work.

Why is that and is there another way I can accomplish that?

server 
 listen 80;

 autoindex off;

 server_name static.$hostname;
 root /var/www/static;

 access_log /var/log/nginx/localhost.access.log;

 location / 
 index index.html;
 

 error_page 404 /404.html;
 error_page 500 502 503 504 /50x.html;

nginx hostname

share|improve this question

edited Jul 20 '18 at 15:45

Community♦

1

asked Dec 7 '11 at 11:30

RoboTamerRoboTamer

3371315

add a comment | 

Based on the Nginx wiki the $hostname variable is set to the machine's hostname as returned by gethostname.

I tried that and although gethostname doesn't work my Debian box it still returns the host correctly.
Then I tried to use that variable $hostname to set the server_name, but that didn't work.

Why is that and is there another way I can accomplish that?

server 
 listen 80;

 autoindex off;

 server_name static.$hostname;
 root /var/www/static;

 access_log /var/log/nginx/localhost.access.log;

 location / 
 index index.html;
 

 error_page 404 /404.html;
 error_page 500 502 503 504 /50x.html;

nginx hostname

share|improve this question

edited Jul 20 '18 at 15:45

Community♦

1

asked Dec 7 '11 at 11:30

RoboTamerRoboTamer

3371315

server 
 listen 80;

 autoindex off;

 server_name static.$hostname;
 root /var/www/static;

 access_log /var/log/nginx/localhost.access.log;

 location / 
 index index.html;
 

 error_page 404 /404.html;
 error_page 500 502 503 504 /50x.html;

share|improve this question

edited Jul 20 '18 at 15:45

Community♦

1

asked Dec 7 '11 at 11:30

RoboTamerRoboTamer

3371315

share|improve this question

edited Jul 20 '18 at 15:45

Community♦

1

asked Dec 7 '11 at 11:30

RoboTamerRoboTamer

3371315

edited Jul 20 '18 at 15:45

Community♦

1

edited Jul 20 '18 at 15:45

Community♦

1

asked Dec 7 '11 at 11:30

RoboTamerRoboTamer

3371315

asked Dec 7 '11 at 11:30

RoboTamerRoboTamer

3371315

2 Answers
2

active

oldest

votes

6

Most variables in nginx only exist at runtime, not during configuration time.

For this reason, most variables cannot be used with the server_name directive. Since $hostname is a constant value, there's an explicit check for exactly $hostname in the server_name handler.

It only allows for the server_name to be set to $hostname, not static.$hostname. You may be able to patch the source to make it support that feature (ngx_http_core_module.c, look for $hostname), but you can't do it with the existing code.

share|improve this answer

edited Apr 10 at 13:15

answered Dec 7 '11 at 12:09

kolbyjackkolbyjack

6,49912625

add a comment | 

0

You should find this works:

server_name static.*;

share|improve this answer

answered Feb 8 '17 at 11:51

richrich

1436

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  This would be incredibly insecure and allow host header injection attacks to anyone who sets "static.malicioushostnamehere.com" as an example.
  
  – MattBoothDev
  Nov 16 '18 at 11:25
  

  
  
  
  

add a comment | 

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6

Most variables in nginx only exist at runtime, not during configuration time.

For this reason, most variables cannot be used with the server_name directive. Since $hostname is a constant value, there's an explicit check for exactly $hostname in the server_name handler.

It only allows for the server_name to be set to $hostname, not static.$hostname. You may be able to patch the source to make it support that feature (ngx_http_core_module.c, look for $hostname), but you can't do it with the existing code.

share|improve this answer

edited Apr 10 at 13:15

answered Dec 7 '11 at 12:09

kolbyjackkolbyjack

6,49912625

add a comment | 

6

Most variables in nginx only exist at runtime, not during configuration time.

For this reason, most variables cannot be used with the server_name directive. Since $hostname is a constant value, there's an explicit check for exactly $hostname in the server_name handler.

It only allows for the server_name to be set to $hostname, not static.$hostname. You may be able to patch the source to make it support that feature (ngx_http_core_module.c, look for $hostname), but you can't do it with the existing code.

share|improve this answer

edited Apr 10 at 13:15

answered Dec 7 '11 at 12:09

kolbyjackkolbyjack

6,49912625

add a comment | 

Most variables in nginx only exist at runtime, not during configuration time.

For this reason, most variables cannot be used with the server_name directive. Since $hostname is a constant value, there's an explicit check for exactly $hostname in the server_name handler.

It only allows for the server_name to be set to $hostname, not static.$hostname. You may be able to patch the source to make it support that feature (ngx_http_core_module.c, look for $hostname), but you can't do it with the existing code.

share|improve this answer

edited Apr 10 at 13:15

answered Dec 7 '11 at 12:09

kolbyjackkolbyjack

6,49912625

share|improve this answer

edited Apr 10 at 13:15

answered Dec 7 '11 at 12:09

kolbyjackkolbyjack

6,49912625

answered Dec 7 '11 at 12:09

kolbyjackkolbyjack

6,49912625

answered Dec 7 '11 at 12:09

kolbyjackkolbyjack

6,49912625

0

You should find this works:

server_name static.*;

share|improve this answer

answered Feb 8 '17 at 11:51

richrich

1436

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  This would be incredibly insecure and allow host header injection attacks to anyone who sets "static.malicioushostnamehere.com" as an example.
  
  – MattBoothDev
  Nov 16 '18 at 11:25
  

  
  
  
  

add a comment | 

0

You should find this works:

server_name static.*;

share|improve this answer

answered Feb 8 '17 at 11:51

richrich

1436

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  This would be incredibly insecure and allow host header injection attacks to anyone who sets "static.malicioushostnamehere.com" as an example.
  
  – MattBoothDev
  Nov 16 '18 at 11:25
  

  
  
  
  

add a comment | 

You should find this works:

server_name static.*;

share|improve this answer

answered Feb 8 '17 at 11:51

richrich

1436

server_name static.*;

share|improve this answer

answered Feb 8 '17 at 11:51

richrich

1436

answered Feb 8 '17 at 11:51

richrich

1436

answered Feb 8 '17 at 11:51

richrich

1436