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readme-vars.yml
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---
# project information
project_name: swag
project_url: "https://linuxserver.io"
project_logo: "https://github.com/linuxserver/docker-templates/raw/master/linuxserver.io/img/swag.gif"
project_blurb: "SWAG - Secure Web Application Gateway (formerly known as letsencrypt, no relation to Let's Encrypt™) sets up an Nginx webserver and reverse proxy with php support and a built-in certbot client that automates free SSL server certificate generation and renewal processes (Let's Encrypt and ZeroSSL). It also contains fail2ban for intrusion prevention."
project_lsio_github_repo_url: "https://github.com/linuxserver/docker-{{ project_name }}"
project_blurb_optional_extras_enabled: false
project_blurb_optional_extras: []
# supported architectures
available_architectures:
- { arch: "{{ arch_x86_64 }}", tag: "amd64-latest"}
- { arch: "{{ arch_arm64 }}", tag: "arm64v8-latest"}
- { arch: "{{ arch_armhf }}", tag: "arm32v7-latest"}
# development version
development_versions: false
development_versions_items:
- { tag: "latest", desc: "Stable releases" }
# container parameters
common_param_env_vars_enabled: true #PGID, PUID, etc, you can set it to 'optional'
param_container_name: "{{ project_name }}"
param_usage_include_net: false #you can set it to 'optional'
param_net: "host"
param_net_desc: "Shares host networking with container."
param_usage_include_env: true
param_env_vars:
- { env_var: "TZ", env_value: "Europe/London", desc: "Specify a timezone to use EG Europe/London." }
- { env_var: "URL", env_value: "yourdomain.url", desc: "Top url you have control over (`customdomain.com` if you own it, or `customsubdomain.ddnsprovider.com` if dynamic dns)." }
- { env_var: "VALIDATION", env_value: "http", desc: "Certbot validation method to use, options are `http`, `dns` or `duckdns` (`dns` method also requires `DNSPLUGIN` variable set) (`duckdns` method requires `DUCKDNSTOKEN` variable set, and the `SUBDOMAINS` variable must be either empty or set to `wildcard`)." }
param_usage_include_vols: true
param_volumes:
- { vol_path: "/config", vol_host_path: "/path/to/appdata/config", desc: "All the config files including the webroot reside here." }
param_usage_include_ports: true
param_ports:
- { external_port: "443", internal_port: "443", port_desc: "Https port" }
param_device_map: false
param_devices:
- { device_path: "/dev/dri", device_host_path: "/dev/dri", desc: "For hardware transcoding" }
cap_add_param: true
cap_add_param_vars:
- { cap_add_var: "NET_ADMIN" }
# optional container parameters
opt_param_usage_include_env: true
opt_param_env_vars:
- { env_var: "SUBDOMAINS", env_value: "www,", desc: "Subdomains you'd like the cert to cover (comma separated, no spaces) ie. `www,ftp,cloud`. For a wildcard cert, set this _exactly_ to `wildcard` (wildcard cert is available via `dns` and `duckdns` validation only)" }
- { env_var: "CERTPROVIDER", env_value: "", desc: "Optionally define the cert provider. Set to `zerossl` for ZeroSSL certs (requires existing [ZeroSSL account](https://app.zerossl.com/signup) and the e-mail address entered in `EMAIL` env var). Otherwise defaults to Let's Encrypt." }
- { env_var: "DNSPLUGIN", env_value: "cloudflare", desc: "Required if `VALIDATION` is set to `dns`. Options are `acmedns`,`aliyun`, `azure`, `cloudflare`, `cloudxns`, `cpanel`, `desec`, `digitalocean`, `directadmin`, `dnsimple`, `dnsmadeeasy`, `dnspod`, `domeneshop`, `dynu`, `gandi`, `gehirn`, `google`, `he`, `hetzner`, `infomaniak`, `inwx`, `ionos`, `linode`, `loopia`, `luadns`, `netcup`, `njalla`, `nsone`, `ovh`, `rfc2136`, `route53`, `sakuracloud`, `standalone`, `transip` and `vultr`. Also need to enter the credentials into the corresponding ini (or json for some plugins) file under `/config/dns-conf`." }
- { env_var: "PROPAGATION", env_value: "", desc: "Optionally override (in seconds) the default propagation time for the dns plugins." }
- { env_var: "DUCKDNSTOKEN", env_value: "", desc: "Required if `VALIDATION` is set to `duckdns`. Retrieve your token from https://www.duckdns.org" }
- { env_var: "EMAIL", env_value: "", desc: "Optional e-mail address used for cert expiration notifications (Required for ZeroSSL)." }
- { env_var: "ONLY_SUBDOMAINS", env_value: "false", desc: "If you wish to get certs only for certain subdomains, but not the main domain (main domain may be hosted on another machine and cannot be validated), set this to `true`" }
- { env_var: "EXTRA_DOMAINS", env_value: "", desc: "Additional fully qualified domain names (comma separated, no spaces) ie. `extradomain.com,subdomain.anotherdomain.org,*.anotherdomain.org`" }
- { env_var: "STAGING", env_value: "false", desc: "Set to `true` to retrieve certs in staging mode. Rate limits will be much higher, but the resulting cert will not pass the browser's security test. Only to be used for testing purposes." }
opt_param_usage_include_vols: false
opt_param_volumes:
- { vol_path: "/config", vol_host_path: "/path/to/appdata/config", desc: "Configuration files." }
opt_param_usage_include_ports: true
opt_param_ports:
- { external_port: "80", internal_port: "80", port_desc: "Http port (required for http validation and http -> https redirect)" }
opt_param_device_map: false
opt_param_devices:
- { device_path: "/dev/dri", device_host_path: "/dev/dri", desc: "For hardware transcoding" }
opt_cap_add_param: false
opt_cap_add_param_vars:
- { cap_add_var: "NET_ADMIN" }
optional_block_1: false
optional_block_1_items: ""
# application setup block
app_setup_block_enabled: true
app_setup_block: |
### Validation and initial setup
* Before running this container, make sure that the url and subdomains are properly forwarded to this container's host, and that port 443 (and/or 80) is not being used by another service on the host (NAS gui, another webserver, etc.).
* For `http` validation, port 80 on the internet side of the router should be forwarded to this container's port 80
* For `dns` validation, make sure to enter your credentials into the corresponding ini (or json for some plugins) file under `/config/dns-conf`
* Cloudflare provides free accounts for managing dns and is very easy to use with this image. Make sure that it is set up for "dns only" instead of "dns + proxy"
* Google dns plugin is meant to be used with "Google Cloud DNS", a paid enterprise product, and not for "Google Domains DNS"
* For `duckdns` validation, either leave the `SUBDOMAINS` variable empty or set it to `wildcard`, and set the `DUCKDNSTOKEN` variable with your duckdns token. Due to a limitation of duckdns, the resulting cert will only cover either main subdomain (ie. `yoursubdomain.duckdns.org`), or sub-subdomains (ie. `*.yoursubdomain.duckdns.org`), but will not both at the same time. You can use our [duckdns image](https://hub.docker.com/r/linuxserver/duckdns/) to update your IP on duckdns.org.
* `--cap-add=NET_ADMIN` is required for fail2ban to modify iptables
* If you need a dynamic dns provider, you can use the free provider duckdns.org where the `URL` will be `yoursubdomain.duckdns.org` and the `SUBDOMAINS` can be `www,ftp,cloud` with http validation, or `wildcard` with dns validation.
* After setup, navigate to `https://yourdomain.url` to access the default homepage (http access through port 80 is disabled by default, you can enable it by editing the default site config at `/config/nginx/site-confs/default.conf`).
* Certs are checked nightly and if expiration is within 30 days, renewal is attempted. If your cert is about to expire in less than 30 days, check the logs under `/config/log/letsencrypt` to see why the renewals have been failing. It is recommended to input your e-mail in docker parameters so you receive expiration notices from Let's Encrypt in those circumstances.
### Security and password protection
* The container detects changes to url and subdomains, revokes existing certs and generates new ones during start.
* Per [RFC7919](https://datatracker.ietf.org/doc/html/rfc7919), the container is shipping [ffdhe4096](https://ssl-config.mozilla.org/ffdhe4096.txt) as the `dhparams.pem`.
* If you'd like to password protect your sites, you can use htpasswd. Run the following command on your host to generate the htpasswd file `docker exec -it swag htpasswd -c /config/nginx/.htpasswd <username>`
* You can add multiple user:pass to `.htpasswd`. For the first user, use the above command, for others, use the above command without the `-c` flag, as it will force deletion of the existing `.htpasswd` and creation of a new one
* You can also use ldap auth for security and access control. A sample, user configurable ldap.conf is provided, and it requires the separate image [linuxserver/ldap-auth](https://hub.docker.com/r/linuxserver/ldap-auth/) to communicate with an ldap server.
### Site config and reverse proxy
* The default site config resides at `/config/nginx/site-confs/default.conf`. Feel free to modify this file, and you can add other conf files to this directory. However, if you delete the `default` file, a new default will be created on container start.
* Preset reverse proxy config files are added for popular apps. See the `README.md` file under `/config/nginx/proxy_confs` for instructions on how to enable them. The preset confs reside in and get imported from [this repo](https://github.com/linuxserver/reverse-proxy-confs).
* If you wish to hide your site from search engine crawlers, you may find it useful to add this configuration line to your site config, within the server block, above the line where ssl.conf is included
`add_header X-Robots-Tag "noindex, nofollow, nosnippet, noarchive";`
This will *ask* Google et al not to index and list your site. Be careful with this, as you will eventually be de-listed if you leave this line in on a site you wish to be present on search engines
* If you wish to redirect http to https, you must expose port 80
### Using certs in other containers
* This container includes auto-generated pfx and private-fullchain-bundle pem certs that are needed by other apps like Emby and Znc.
* To use these certs in other containers, do either of the following:
1. *(Easier)* Mount the container's config folder in other containers (ie. `-v /path-to-swag-config:/swag-ssl`) and in the other containers, use the cert location `/swag-ssl/keys/letsencrypt/`
2. *(More secure)* Mount the SWAG folder `etc` that resides under `/config` in other containers (ie. `-v /path-to-swag-config/etc:/swag-ssl`) and in the other containers, use the cert location `/swag-ssl/letsencrypt/live/<your.domain.url>/` (This is more secure because the first method shares the entire SWAG config folder with other containers, including the www files, whereas the second method only shares the ssl certs)
* These certs include:
1. `cert.pem`, `chain.pem`, `fullchain.pem` and `privkey.pem`, which are generated by Certbot and used by nginx and various other apps
2. `privkey.pfx`, a format supported by Microsoft and commonly used by dotnet apps such as Emby Server (no password)
3. `priv-fullchain-bundle.pem`, a pem cert that bundles the private key and the fullchain, used by apps like ZNC
### Using fail2ban
* This container includes fail2ban set up with 5 jails by default:
1. nginx-http-auth
2. nginx-badbots
3. nginx-botsearch
4. nginx-deny
5. nginx-unauthorized
* To enable or disable other jails, modify the file `/config/fail2ban/jail.local`
* To modify filters and actions, instead of editing the `.conf` files, create `.local` files with the same name and edit those because .conf files get overwritten when the actions and filters are updated. `.local` files will append whatever's in the `.conf` files (ie. `nginx-http-auth.conf` --> `nginx-http-auth.local`)
* You can check which jails are active via `docker exec -it swag fail2ban-client status`
* You can check the status of a specific jail via `docker exec -it swag fail2ban-client status <jail name>`
* You can unban an IP via `docker exec -it swag fail2ban-client set <jail name> unbanip <IP>`
* A list of commands can be found here: https://www.fail2ban.org/wiki/index.php/Commands
### Updating configs
* This container creates a number of configs for nginx, proxy samples, etc.
* Config updates are noted in the changelog but not automatically applied to your files.
* If you have modified a file with noted changes in the changelog:
1. Keep your existing configs as is (not broken, don't fix)
2. Review our repository commits and apply the new changes yourself
3. Delete the modified config file with listed updates, restart the container, reapply your changes
* If you have NOT modified a file with noted changes in the changelog:
1. Delete the config file with listed updates, restart the container
* Proxy sample updates are not listed in the changelog. See the changes here: [https://github.com/linuxserver/reverse-proxy-confs/commits/master](https://github.com/linuxserver/reverse-proxy-confs/commits/master)
* Proxy sample files WILL be updated, however your renamed (enabled) proxy files will not.
* You can check the new sample and adjust your active config as needed.
### Migration from the old `linuxserver/letsencrypt` image
Please follow the instructions [on this blog post](https://www.linuxserver.io/blog/2020-08-21-introducing-swag#migrate).
app_setup_nginx_reverse_proxy_snippet: false
app_setup_nginx_reverse_proxy_block: ""
# changelog
changelogs:
- { date: "22.09.22:", desc: "Added certbot-dns-acmedns for DNS01 validation." }
- { date: "20.08.22:", desc: "[Existing users should update:](https://github.com/linuxserver/docker-swag/blob/master/README.md#updating-configs) nginx.conf - Rebasing to alpine 3.15 with php8. Restructure nginx configs ([see changes announcement](https://info.linuxserver.io/issues/2022-08-20-nginx-base))." }
- { date: "10.08.22:", desc: "Added support for Dynu DNS validation." }
- { date: "18.05.22:", desc: "Added support for Azure DNS validation." }
- { date: "09.04.22:", desc: "Added certbot-dns-loopia for DNS01 validation." }
- { date: "05.04.22:", desc: "Added support for standalone DNS validation." }
- { date: "28.03.22:", desc: "created a logfile for fail2ban nginx-unauthorized in /etc/cont-init.d/50-config" }
- { date: "09.01.22:", desc: "Added a fail2ban jail for nginx unauthorized" }
- { date: "21.12.21:", desc: "Fixed issue with iptables not working as expected" }
- { date: "30.11.21:", desc: "Move maxmind to a [new mod](https://github.com/linuxserver/docker-mods/tree/swag-maxmind)" }
- { date: "22.11.21:", desc: "Added support for Infomaniak DNS for certificate generation." }
- { date: "20.11.21:", desc: "Added support for dnspod validation." }
- { date: "15.11.21:", desc: "Added support for deSEC DNS for wildcard certificate generation." }
- { date: "26.10.21:", desc: "[Existing users should update:](https://github.com/linuxserver/docker-swag/blob/master/README.md#updating-configs) proxy.conf - Mitigate https://httpoxy.org/ vulnerabilities. Ref: https://www.nginx.com/blog/mitigating-the-httpoxy-vulnerability-with-nginx#Defeating-the-Attack-using-NGINX-and-NGINX-Plus" }
- { date: "23.10.21:", desc: "Fix Hurricane Electric (HE) DNS validation." }
- { date: "12.10.21:", desc: "Fix deprecated LE root cert check to fix failures when using `STAGING=true`, and failures in revoking." }
- { date: "06.10.21:", desc: "Added support for Hurricane Electric (HE) DNS validation. Added lxml build deps." }
- { date: "01.10.21:", desc: "Check if the cert uses the old LE root cert, revoke and regenerate if necessary. [Here's more info](https://twitter.com/letsencrypt/status/1443621997288767491) on LE root cert expiration" }
- { date: "19.09.21:", desc: "Add an optional header to opt out of Google FLoC in `ssl.conf`." }
- { date: "17.09.21:", desc: "Mark `SUBDOMAINS` var as optional." }
- { date: "01.08.21:", desc: "Add support for ionos dns validation." }
- { date: "15.07.21:", desc: "Fix libmaxminddb issue due to upstream change." }
- { date: "07.07.21:", desc: "Rebase to alpine 3.14." }
- { date: "24.06.21:", desc: "Update default nginx conf folder." }
- { date: "28.05.21:", desc: "[Existing users should update:](https://github.com/linuxserver/docker-swag/blob/master/README.md#updating-configs) authelia-server.conf - Use `resolver.conf` and patch for `CVE-2021-32637`." }
- { date: "20.05.21:", desc: "Modify resolver.conf generation to detect and ignore ipv6." }
- { date: "14.05.21:", desc: "[Existing users should update:](https://github.com/linuxserver/docker-swag/blob/master/README.md#updating-configs) nginx.conf, ssl.conf, proxy.conf, and the default site-conf - Rework nginx.conf to be inline with alpine upstream and relocate lines from other files. Use linuxserver.io wheel index for pip packages. Switch to using [ffdhe4096](https://ssl-config.mozilla.org/ffdhe4096.txt) for `dhparams.pem` per [RFC7919](https://datatracker.ietf.org/doc/html/rfc7919). Added `worker_processes.conf`, which sets the number of nginx workers, and `resolver.conf`, which sets the dns resolver. Both conf files are auto-generated only on first start and can be user modified later." }
- { date: "21.04.21:", desc: "[Existing users should update:](https://github.com/linuxserver/docker-swag/blob/master/README.md#updating-configs) authelia-server.conf and authelia-location.conf - Add remote name/email headers and pass http method." }
- { date: "12.04.21:", desc: "Add php7-gmp and php7-pecl-mailparse." }
- { date: "12.04.21:", desc: "Add support for vultr dns validation." }
- { date: "14.03.21:", desc: "Add support for directadmin dns validation." }
- { date: "12.02.21:", desc: "Clean up rust/cargo cache, which ballooned the image size in the last couple of builds." }
- { date: "10.02.21:", desc: "Fix aliyun, domeneshop, inwx and transip dns confs for existing users." }
- { date: "09.02.21:", desc: "Rebasing to alpine 3.13. Add nginx mods brotli and dav-ext. Remove nginx mods lua and lua-upstream (due to regression over the last couple of years)." }
- { date: "26.01.21:", desc: "Add support for hetzner dns validation." }
- { date: "20.01.21:", desc: "Add check for ZeroSSL EAB retrieval." }
- { date: "08.01.21:", desc: "Add support for getting certs from [ZeroSSL](https://zerossl.com/) via optional `CERTPROVIDER` env var. Update aliyun, domeneshop, inwx and transip dns plugins with the new plugin names. Hide `donoteditthisfile.conf` because users were editing it despite its name. Suppress harmless error when no proxy confs are enabled." }
- { date: "03.01.21:", desc: "[Existing users should update:](https://github.com/linuxserver/docker-swag/blob/master/README.md#updating-configs) /config/nginx/site-confs/default.conf - Add helper pages to aid troubleshooting" }
- { date: "10.12.20:", desc: "Add support for njalla dns validation" }
- { date: "09.12.20:", desc: "Check for template/conf updates and notify in the log. Add support for gehirn and sakuracloud dns validation." }
- { date: "01.11.20:", desc: "Add support for netcup dns validation" }
- { date: "29.10.20:", desc: "[Existing users should update:](https://github.com/linuxserver/docker-swag/blob/master/README.md#updating-configs) ssl.conf - Add frame-ancestors to Content-Security-Policy." }
- { date: "04.10.20:", desc: "[Existing users should update:](https://github.com/linuxserver/docker-swag/blob/master/README.md#updating-configs) nginx.conf, proxy.conf, and ssl.conf - Minor cleanups and reordering." }
- { date: "20.09.20:", desc: "[Existing users should update:](https://github.com/linuxserver/docker-swag/blob/master/README.md#updating-configs) nginx.conf - Added geoip2 configs. Added MAXMINDDB_LICENSE_KEY variable to readme."}
- { date: "08.09.20:", desc: "Add php7-xsl." }
- { date: "01.09.20:", desc: "[Existing users should update:](https://github.com/linuxserver/docker-swag/blob/master/README.md#updating-configs) nginx.conf, proxy.conf, and various proxy samples - Global websockets across all configs." }
- { date: "03.08.20:", desc: "Initial release." }