Fix outdated cheat sheet about ALLOWED_DOMAINS (#55)

Reviewed-on: https://gitea.com/gitea/docs/pulls/55
Reviewed-by: yp05327 <yp05327@noreply.gitea.com>

docs/administration/config-cheat-sheet.md

@@ -1239,7 +1239,7 @@ in this mapping or the filetype using heuristics.
 
 - `MAX_ATTEMPTS`: **3**: Max attempts per http/https request on migrations.
 - `RETRY_BACKOFF`: **3**: Backoff time per http/https request retry (seconds)
-- `ALLOWED_DOMAINS`: **_empty_**: Domains allowlist for migrating repositories, default is blank. It means everything will be allowed. Multiple domains could be separated by commas. Wildcard is supported: `github.com, *.github.com`.
+- `ALLOWED_DOMAINS`: **_empty_**: Domains allowlist for migrating repositories, default is blank. It means external hosts will be allowed. Multiple domains could be separated by commas. Wildcard is supported: `github.com, *.github.com`.
 - `BLOCKED_DOMAINS`: **_empty_**: Domains blocklist for migrating repositories, default is blank. Multiple domains could be separated by commas. When `ALLOWED_DOMAINS` is not blank, this option has a higher priority to deny domains. Wildcard is supported.
 - `ALLOW_LOCALNETWORKS`: **false**: Allow private addresses defined by RFC 1918, RFC 1122, RFC 4632 and RFC 4291. If a domain is allowed by `ALLOWED_DOMAINS`, this option will be ignored.
 - `SKIP_TLS_VERIFY`: **false**: Allow skip tls verify

i18n/zh-cn/docusaurus-plugin-content-docs/current/administration/config-cheat-sheet.md

@@ -1126,7 +1126,7 @@ ALLOW_DATA_URI_IMAGES = true
 
 - `MAX_ATTEMPTS`：**3**：每次 http/https 请求的最大尝试次数（用于迁移）。
 - `RETRY_BACKOFF`：**3**：每次 http/https 请求重试的退避时间（秒）。
-- `ALLOWED_DOMAINS`：**_empty_**：允许迁移仓库的域名允许列表，默认为空。这意味着允许一切。多个域名可以用逗号分隔。支持通配符：`github.com, *.github.com`。
+- `ALLOWED_DOMAINS`：**_empty_**：允许迁移仓库的域名允许列表，默认为空。这意味着允许外部网址。多个域名可以用逗号分隔。支持通配符：`github.com, *.github.com`。
 - `BLOCKED_DOMAINS`：**_empty_**：阻止迁移仓库的域名阻止列表，默认为空。多个域名可以用逗号分隔。当 `ALLOWED_DOMAINS` 不为空时，此选项优先级较高，用于拒绝域名。支持通配符。
 - `ALLOW_LOCALNETWORKS`：**false**：允许 RFC 1918、RFC 1122、RFC 4632 和 RFC 4291 中定义的私有地址。如果域名被 `ALLOWED_DOMAINS` 允许，此选项将被忽略。
 - `SKIP_TLS_VERIFY`：**false**：允许跳过 TLS 验证。

i18n/zh-cn/docusaurus-plugin-content-docs/version-1.21/administration/config-cheat-sheet.md

@@ -1125,7 +1125,7 @@ ALLOW_DATA_URI_IMAGES = true
 
 - `MAX_ATTEMPTS`：**3**：每次 http/https 请求的最大尝试次数（用于迁移）。
 - `RETRY_BACKOFF`：**3**：每次 http/https 请求重试的退避时间（秒）。
-- `ALLOWED_DOMAINS`：**_empty_**：允许迁移仓库的域名允许列表，默认为空。这意味着允许一切。多个域名可以用逗号分隔。支持通配符：`github.com, *.github.com`。
+- `ALLOWED_DOMAINS`：**_empty_**：允许迁移仓库的域名允许列表，默认为空。这意味着允许外部网址。多个域名可以用逗号分隔。支持通配符：`github.com, *.github.com`。
 - `BLOCKED_DOMAINS`：**_empty_**：阻止迁移仓库的域名阻止列表，默认为空。多个域名可以用逗号分隔。当 `ALLOWED_DOMAINS` 不为空时，此选项优先级较高，用于拒绝域名。支持通配符。
 - `ALLOW_LOCALNETWORKS`：**false**：允许 RFC 1918、RFC 1122、RFC 4632 和 RFC 4291 中定义的私有地址。如果域名被 `ALLOWED_DOMAINS` 允许，此选项将被忽略。
 - `SKIP_TLS_VERIFY`：**false**：允许跳过 TLS 验证。

i18n/zh-cn/docusaurus-plugin-content-docs/version-1.22/administration/config-cheat-sheet.md

@@ -1125,7 +1125,7 @@ ALLOW_DATA_URI_IMAGES = true
 
 - `MAX_ATTEMPTS`：**3**：每次 http/https 请求的最大尝试次数（用于迁移）。
 - `RETRY_BACKOFF`：**3**：每次 http/https 请求重试的退避时间（秒）。
-- `ALLOWED_DOMAINS`：**_empty_**：允许迁移仓库的域名允许列表，默认为空。这意味着允许一切。多个域名可以用逗号分隔。支持通配符：`github.com, *.github.com`。
+- `ALLOWED_DOMAINS`：**_empty_**：允许迁移仓库的域名允许列表，默认为空。这意味着允许外部网址。多个域名可以用逗号分隔。支持通配符：`github.com, *.github.com`。
 - `BLOCKED_DOMAINS`：**_empty_**：阻止迁移仓库的域名阻止列表，默认为空。多个域名可以用逗号分隔。当 `ALLOWED_DOMAINS` 不为空时，此选项优先级较高，用于拒绝域名。支持通配符。
 - `ALLOW_LOCALNETWORKS`：**false**：允许 RFC 1918、RFC 1122、RFC 4632 和 RFC 4291 中定义的私有地址。如果域名被 `ALLOWED_DOMAINS` 允许，此选项将被忽略。
 - `SKIP_TLS_VERIFY`：**false**：允许跳过 TLS 验证。

versioned_docs/version-1.19/administration/config-cheat-sheet.md

@@ -1224,7 +1224,7 @@ Task queue configuration has been moved to `queue.task`. However, the below conf
 
 - `MAX_ATTEMPTS`: **3**: Max attempts per http/https request on migrations.
 - `RETRY_BACKOFF`: **3**: Backoff time per http/https request retry (seconds)
-- `ALLOWED_DOMAINS`: **_empty_**: Domains allowlist for migrating repositories, default is blank. It means everything will be allowed. Multiple domains could be separated by commas. Wildcard is supported: `github.com, *.github.com`.
+- `ALLOWED_DOMAINS`: **_empty_**: Domains allowlist for migrating repositories, default is blank. It means external hosts will be allowed. Multiple domains could be separated by commas. Wildcard is supported: `github.com, *.github.com`.
 - `BLOCKED_DOMAINS`: **_empty_**: Domains blocklist for migrating repositories, default is blank. Multiple domains could be separated by commas. When `ALLOWED_DOMAINS` is not blank, this option has a higher priority to deny domains. Wildcard is supported.
 - `ALLOW_LOCALNETWORKS`: **false**: Allow private addresses defined by RFC 1918, RFC 1122, RFC 4632 and RFC 4291. If a domain is allowed by `ALLOWED_DOMAINS`, this option will be ignored.
 - `SKIP_TLS_VERIFY`: **false**: Allow skip tls verify

versioned_docs/version-1.20/administration/config-cheat-sheet.md

@@ -1191,7 +1191,7 @@ Task queue configuration has been moved to `queue.task`. However, the below conf
 
 - `MAX_ATTEMPTS`: **3**: Max attempts per http/https request on migrations.
 - `RETRY_BACKOFF`: **3**: Backoff time per http/https request retry (seconds)
-- `ALLOWED_DOMAINS`: **_empty_**: Domains allowlist for migrating repositories, default is blank. It means everything will be allowed. Multiple domains could be separated by commas. Wildcard is supported: `github.com, *.github.com`.
+- `ALLOWED_DOMAINS`: **_empty_**: Domains allowlist for migrating repositories, default is blank. It means external hosts will be allowed. Multiple domains could be separated by commas. Wildcard is supported: `github.com, *.github.com`.
 - `BLOCKED_DOMAINS`: **_empty_**: Domains blocklist for migrating repositories, default is blank. Multiple domains could be separated by commas. When `ALLOWED_DOMAINS` is not blank, this option has a higher priority to deny domains. Wildcard is supported.
 - `ALLOW_LOCALNETWORKS`: **false**: Allow private addresses defined by RFC 1918, RFC 1122, RFC 4632 and RFC 4291. If a domain is allowed by `ALLOWED_DOMAINS`, this option will be ignored.
 - `SKIP_TLS_VERIFY`: **false**: Allow skip tls verify

versioned_docs/version-1.21/administration/config-cheat-sheet.md

@@ -1193,7 +1193,7 @@ in this mapping or the filetype using heuristics.
 
 - `MAX_ATTEMPTS`: **3**: Max attempts per http/https request on migrations.
 - `RETRY_BACKOFF`: **3**: Backoff time per http/https request retry (seconds)
-- `ALLOWED_DOMAINS`: **_empty_**: Domains allowlist for migrating repositories, default is blank. It means everything will be allowed. Multiple domains could be separated by commas. Wildcard is supported: `github.com, *.github.com`.
+- `ALLOWED_DOMAINS`: **_empty_**: Domains allowlist for migrating repositories, default is blank. It means external hosts will be allowed. Multiple domains could be separated by commas. Wildcard is supported: `github.com, *.github.com`.
 - `BLOCKED_DOMAINS`: **_empty_**: Domains blocklist for migrating repositories, default is blank. Multiple domains could be separated by commas. When `ALLOWED_DOMAINS` is not blank, this option has a higher priority to deny domains. Wildcard is supported.
 - `ALLOW_LOCALNETWORKS`: **false**: Allow private addresses defined by RFC 1918, RFC 1122, RFC 4632 and RFC 4291. If a domain is allowed by `ALLOWED_DOMAINS`, this option will be ignored.
 - `SKIP_TLS_VERIFY`: **false**: Allow skip tls verify

versioned_docs/version-1.22/administration/config-cheat-sheet.md

@@ -1215,7 +1215,7 @@ in this mapping or the filetype using heuristics.
 
 - `MAX_ATTEMPTS`: **3**: Max attempts per http/https request on migrations.
 - `RETRY_BACKOFF`: **3**: Backoff time per http/https request retry (seconds)
-- `ALLOWED_DOMAINS`: **_empty_**: Domains allowlist for migrating repositories, default is blank. It means everything will be allowed. Multiple domains could be separated by commas. Wildcard is supported: `github.com, *.github.com`.
+- `ALLOWED_DOMAINS`: **_empty_**: Domains allowlist for migrating repositories, default is blank. It means external hosts will be allowed. Multiple domains could be separated by commas. Wildcard is supported: `github.com, *.github.com`.
 - `BLOCKED_DOMAINS`: **_empty_**: Domains blocklist for migrating repositories, default is blank. Multiple domains could be separated by commas. When `ALLOWED_DOMAINS` is not blank, this option has a higher priority to deny domains. Wildcard is supported.
 - `ALLOW_LOCALNETWORKS`: **false**: Allow private addresses defined by RFC 1918, RFC 1122, RFC 4632 and RFC 4291. If a domain is allowed by `ALLOWED_DOMAINS`, this option will be ignored.
 - `SKIP_TLS_VERIFY`: **false**: Allow skip tls verify