puppeteer/docs/api/puppeteer.browserconnectoptions.md

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---
sidebar_label: BrowserConnectOptions
---
# BrowserConnectOptions interface
Generic browser options that can be passed when launching any browser or when connecting to an existing browser instance.
#### Signature:
```typescript
export interface BrowserConnectOptions
```
## Properties
<table><thead><tr><th>
Property
</th><th>
Modifiers
</th><th>
Type
</th><th>
Description
</th><th>
Default
</th></tr></thead>
<tbody><tr><td>
<span id="defaultviewport">defaultViewport</span>
</td><td>
`optional`
</td><td>
[Viewport](./puppeteer.viewport.md) \| null
</td><td>
Sets the viewport for each page.
</td><td>
'&#123;width: 800, height: 600&#125;'
</td></tr>
<tr><td>
<span id="ignorehttpserrors">ignoreHTTPSErrors</span>
</td><td>
`optional`
</td><td>
boolean
</td><td>
Whether to ignore HTTPS errors during navigation.
</td><td>
`false`
</td></tr>
<tr><td>
<span id="protocol">protocol</span>
</td><td>
`optional`
</td><td>
[ProtocolType](./puppeteer.protocoltype.md)
</td><td>
</td><td>
'cdp'
</td></tr>
<tr><td>
<span id="protocoltimeout">protocolTimeout</span>
</td><td>
`optional`
</td><td>
number
</td><td>
Timeout setting for individual protocol (CDP) calls.
</td><td>
`180_000`
</td></tr>
<tr><td>
<span id="slowmo">slowMo</span>
</td><td>
`optional`
</td><td>
number
</td><td>
Slows down Puppeteer operations by the specified amount of milliseconds to aid debugging.
</td><td>
</td></tr>
<tr><td>
<span id="targetfilter">targetFilter</span>
</td><td>
`optional`
</td><td>
[TargetFilterCallback](./puppeteer.targetfiltercallback.md)
</td><td>
Callback to decide if Puppeteer should connect to a given target or not.
</td><td>
</td></tr>
</tbody></table>