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Code Issues Packages 1 Wiki Activity

Update docs/getting_started/permissions.md (#5574)

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Aligned the example wording more closely with that in the
`first_steps.md` document, and made other minor edits/corrections.
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Matt Dumler 2020-05-18 06:31:18 -05:00 • committed by GitHub
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docs/getting_started/permissions.md
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@ -6,9 +6,10 @@
### Permissions whitelist
Deno also provides permissions whitelist.
Deno also allows you to control the granularity of permissions with whitelists.
This is an example to restrict file system access by whitelist.
This example restricts file system access by whitelisting only the `/usr`
directory:
```shell
$ deno run --allow-read=/usr https://deno.land/std/examples/cat.ts /etc/passwd
@ -18,15 +19,15 @@ error: Uncaught PermissionDenied: read access to "/etc/passwd", run again with t
...
```
You can grant read permission under `/etc` dir
Try it out again with the correct permissions by whitelisting `/etc` instead:
```shell
$ deno run --allow-read=/etc https://deno.land/std/examples/cat.ts /etc/passwd
```
`--allow-write` works same as `--allow-read`.
`--allow-write` works the same as `--allow-read`.
This is an example to restrict host.
This example restricts network access by whitelisting the allowed hosts:
```ts
const result = await fetch("https://deno.land/");