Newbie setting up URL Filtering... can't find an answer by searching.. :-/

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Newbie setting up URL Filtering... can't find an answer by searching.. :-/

L2 Linker

Hi all --

So I was asked by mgmt to block social networking, streaming, etc for all users except administration.  I created a custom URL Filtering profile that blocks those categories, as well as several specific sites.  Under Policies -> Security, I created a new policy called "LimitedInternet", applied to all users, from the trust to untrust zones, and applied the custom, limited URL Filter.  I have another security policy that is only applied to users in our domain's OpenInternet group, which uses the default URL Filter profile.  Here's how it looks --

Untitled.jpg

As I understand, the rules are applied top-down, and once a rule matches, it stops searching. So the first rule should apply to anyone in the OpenInternet group; if the user is not in that group, they should use the second, limited rule and have sites blocked.  As it is, the LimitedInternet rule is applied to everyone, regardless of their group membership.

Can anyone tell me what I'm missing here?  (I apologize if this has been covered elsewhere, I tried searching, honest!)

Thanks -- michael~

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L4 Transporter

Hello thatguy,

For the requirement, 1> allowing certain admin users for all categories and sites 2> Block some social categories and some sites for the rest of the users.

The security rules configured and approach is perfect. Group of users are selected in the first rule and they are being allowed for all sites. It is not mentioned here that what URL profile is configured for the first rule ?

Areas to look:

> In the Url filtering logs ( Monitor > Url logs ) pls look for the logs and filter them for what you are looking. If certain users are supposed to be allowed and not allowed to pass traffic or so on select the parameters to be added in filter and we can narrow down the results.

Now click on the magnified icon on the left of each log line to see more details such as security rule, session id, category and so on to understand which rule is taking into effect and there by which url profile.

If you can update us what is the exact issue I can share more details here.

Thanks

View solution in original post

6 REPLIES 6

L4 Transporter

Hello thatguy,

For the requirement, 1> allowing certain admin users for all categories and sites 2> Block some social categories and some sites for the rest of the users.

The security rules configured and approach is perfect. Group of users are selected in the first rule and they are being allowed for all sites. It is not mentioned here that what URL profile is configured for the first rule ?

Areas to look:

> In the Url filtering logs ( Monitor > Url logs ) pls look for the logs and filter them for what you are looking. If certain users are supposed to be allowed and not allowed to pass traffic or so on select the parameters to be added in filter and we can narrow down the results.

Now click on the magnified icon on the left of each log line to see more details such as security rule, session id, category and so on to understand which rule is taking into effect and there by which url profile.

If you can update us what is the exact issue I can share more details here.

Thanks

Thank you Phoenix --

I checked the logs and, indeed, the LimitedInternet security rule is being applied to everyone.

From my original image, the OpenInternet rule should apply only to users in the ptc\OpenInternet domain group, and has the default URL filtering profile attached.  The second rule applies to all other users, and has the LimitedInternet URL filtering profile attached..

The logs show every user is getting blocked by the LimitedInternet rule.

urlfilters.jpg

Does that tell anything?  Thanks again for the reply. 

Hello,

Good we narrowed the issue. So this points me to the point that in the rule 1 ( Open internet ) we have the User group defined. If for some reason the device is not knowing the users in this group or so it would not take the rule into effect. Now this would direct us towards user identification troubleshooting.

> To see users in the group list:

show user group name "Group name"

> To find the groups

show user group list

> To see if the user is part of the group, // Use this command to find the user mapping and the group.

show user ip-user-mapping ip <>

If these are not showing the results right, may be need a troubleshooting call to narrow down the issue.

Thanks

Is the group mapping being configured in user Identification set up ? It is required to pull down the group members from the Ldap and have the mapping between the group and the members of the group . Following link has the document on how to configure group mapping https://live.paloaltonetworks.com/docs/DOC-4994

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