senselab/ansible-role-nginx
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Add hint and another variable

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This commit is contained in:
phil 2023-03-11 21:25:09 +01:00
parent d3b3576815
commit c9c8b4b921
2 changed files with 8 additions and 2 deletions
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8
README.md
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@ -15,13 +15,14 @@ Role to install Nginx.
| `nginx_http_version` | `1.1` | [documentation](https://nginx.org/en/docs/http/ngx_http_proxy_module.html#proxy_http_version) |
| `nginx_gzip` | | [documentation](https://nginx.org/en/docs/http/ngx_http_gzip_module.html) |
| `nginx_gzip_types` | --> `defaults/main.yaml` | |
| `nginx_server_tokens` | `off` | |
| `dhparam_path` | `/etc/ssl/private/dhparam.pem` | Path to dhparam file |
| `dhparam_size` | `4096` | Size (in bits) of the generated DH-params |
## Rate limiting
### Limiting the Request Rate
You can use Nginx' [Rate Limiting](https://www.nginx.com/blog/rate-limiting-nginx/) to slow | down brute force attacks.
You can use Nginx' [Rate Limiting](https://www.nginx.com/blog/rate-limiting-nginx/) to slow down brute force attacks.
The following zones are available:
| Zone name | Filter | Limit |
@ -31,6 +32,11 @@ The following zones are available:
| `req_server_one` | Domain | 10r/s |
| `req_server_two` | Domain | 1r/s |
Add such a zone to your `server` or `location` block:
```Shell
limit_req zone=req_ip_one burst=5 nodelay;
```
### Limiting the Number of Connections
You can also limit the number of [connection](https://docs.nginx.com/nginx/admin-guide/security-controls/controlling-access-proxied-http/):

2
templates/nginx.conf.j2
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@ -20,7 +20,7 @@ http {
tcp_nodelay on;
keepalive_timeout 65;
types_hash_max_size 2048;
server_tokens off;
server_tokens {{ nginx_server_token | default(off) }};
map_hash_max_size 4096;
map_hash_bucket_size 128;