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# Proxy Options
Proxy options can be provided to the connection constructor or set on a per-request basis via [RequestOptions](/customization/request-options.md).
All these options are optional.
| Option | Type | Default | Description |
|-------------|-------------|---------|-----------------|
| `:uri` | URI, String | nil | Proxy URL. |
| `:user` | String | nil | Proxy user. |
| `:password` | String | nil | Proxy password. |
## Example
```ruby
# Proxy options can be passed to the connection constructor and will be applied to all requests.
proxy_options = {
uri: 'http://proxy.example.com:8080',
user: 'username',
password: 'password'
}
conn = Faraday.new(proxy: proxy_options) do |faraday|
# ...
end
# You can then override them on a per-request basis.
conn.get('/foo') do |req|
req.options.proxy.update(uri: 'http://proxy2.example.com:8080')
end
```
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