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jebeling
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Message 1 of 6

How can I apply UCE policy to traffic directed to an on Premise Proxy?

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I've got an existing on premise infrastructure with physical or virtual proxies that are currently authenticating client web traffic. I want to reduce my on premise infrastructure and utilize all the wonderful benefits of UCE, scalability, ease of management, common policy, etc without drastically changing my current setup and configuration. How do I accomplish this?

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jebeling
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Message 2 of 6

Re: How can I apply UCE policy to traffic directed to an on Premise Proxy?

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This is possible using the next hop proxy function on MWG or your existing proxy, enabling IP authentication in UCE for the public source addresses the local proxy will NAT to. If you want to pass the authentication from the proxy to UCE for user based policy decisions, you can do this by inserting user and group information into the headers passed from MWG, for instructions on setting up UCE to utilize these headers, please see here: https://community.mcafee.com/t5/MVISION-Unified-Cloud-Edge-UCE/How-Can-I-Scope-UCE-Policy-Based-on-R...

UCENext.PNG

 

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jebeling
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Message 3 of 6

Re: How can I apply UCE policy to traffic directed to an on Premise Proxy?

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Here is how you configure UCE for IP based authentication

Set up IP based authentication in UCE by going to Configuration (gear in upper right of MVC console) > Infrastructure > Web Gateway Setup > Configure Locations > New Location or same place and edit an existing location. Add the public egress ips to IP Range Mapping for your proxies that will use next hop to UCE. For example public egress 1.2.3.4/32. 

Location.PNG

Save and Publish

Here is how you would do the proxy piece on MWG: 

Import the Next Hop Proxy ruleset from the library. Place it after authentication if you want to pass authentication information. 

Unlock the rule view.

Configure your Next hop proxy list to point to c<customerid>.wgcs.mcafee-cloud.com on port 8080 or 80.

Optionally add events to populate headers with Username and optionally user groups.

Add criteria to the ruleset or the rules to specify which traffic you want to direct to the cloud. In the example below I am "next hopping" to UCE all traffic originally directed to MWG on port 9091.

 

NextHopUCE.PNG

 

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jebeling
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Message 2 of 6

Re: How can I apply UCE policy to traffic directed to an on Premise Proxy?

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This is possible using the next hop proxy function on MWG or your existing proxy, enabling IP authentication in UCE for the public source addresses the local proxy will NAT to. If you want to pass the authentication from the proxy to UCE for user based policy decisions, you can do this by inserting user and group information into the headers passed from MWG, for instructions on setting up UCE to utilize these headers, please see here: https://community.mcafee.com/t5/MVISION-Unified-Cloud-Edge-UCE/How-Can-I-Scope-UCE-Policy-Based-on-R...

UCENext.PNG

 

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jebeling
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Message 3 of 6

Re: How can I apply UCE policy to traffic directed to an on Premise Proxy?

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Here is how you configure UCE for IP based authentication

Set up IP based authentication in UCE by going to Configuration (gear in upper right of MVC console) > Infrastructure > Web Gateway Setup > Configure Locations > New Location or same place and edit an existing location. Add the public egress ips to IP Range Mapping for your proxies that will use next hop to UCE. For example public egress 1.2.3.4/32. 

Location.PNG

Save and Publish

Here is how you would do the proxy piece on MWG: 

Import the Next Hop Proxy ruleset from the library. Place it after authentication if you want to pass authentication information. 

Unlock the rule view.

Configure your Next hop proxy list to point to c<customerid>.wgcs.mcafee-cloud.com on port 8080 or 80.

Optionally add events to populate headers with Username and optionally user groups.

Add criteria to the ruleset or the rules to specify which traffic you want to direct to the cloud. In the example below I am "next hopping" to UCE all traffic originally directed to MWG on port 9091.

 

NextHopUCE.PNG

 

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evocke
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Message 4 of 6

Re: How can I apply UCE policy to traffic directed to an on Premise Proxy?

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Hi Jeff,

in this use case with IP based authentication to UCE, Next Hop Host from WMG could also be simply the  domain wgcs.mcafee-cloud.com.

Is there any reason to use the qualified tenant cxxxxxxxxxx.wgcs.mcafee-cloud.com.

jebeling
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Message 5 of 6

Re: How can I apply UCE policy to traffic directed to an on Premise Proxy?

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It doesn't matter at present, but the prefix doesn't hurt and may matter in the future.

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jebeling
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Message 6 of 6

Re: How can I apply UCE policy to traffic directed to an on Premise Proxy?

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Note that when using the Remote Browser Isolation (RBI) function of UCE via Next Hop Proxy you must implement NHP for not only the isolated sites and categories, but also the domain rbi.mcafee.cloud.com and you must authenticate the requests for that domain and inject the authentication headers.

For example you might want to NHP uncategorized sites so you would have as a criteria for NHP to UCE. List.OfCategories.IsEmpty(URL.Categories) equals true OR URL.Host matches *.rbi.mcafee-cloud.com. 

 

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