HOW MANY TIMES HAVE YOU THOUGHT OF…
- Is there a way to track what my users are connecting to?
- Is there a way to track what applications my users are using and the amount of bytes being transmitted based on each application?
- Is there a way to allow / block users to access specific zones / segments of my network based on their user id?
- Is there a way to not have to allow access using their windows user ID instead of IP whitelisting IP addresses?
- Is there a way to easily create usage reports per access group or user-id?
User-ID is one of my favorite features from Palo Alto Firewalls. These are some of the main functions you can use it for:
Visibility—Improved visibility into application usage based on users gives you a more relevant picture of network activity. The power of User‐ID becomes evident when you notice a strange or unfamiliar application on your network. Using either ACC or the log viewer, your security team can discern what the application is, who the user is, the bandwidth and session consumption, along with the source and destination of the application traffic, as well as any associated threats.
Policy control—Tying user information to Security policy rules improves safe enablement of applications traversing the network and ensures that only those users who have a business need for an application have access. For example, some applications, such as SaaS applications that enable access to Human Resources services (such as Workday or Service Now) must be available to any known user on your network.
However, for more sensitive applications you can reduce your attack surface by ensuring that only users who need these applications can access them. For example, while IT support personnel may legitimately need access to remote desktop applications, the majority of your users do not.
Logging, reporting, forensics—If a security incident occurs, forensics analysis and reporting based on user information rather than just IP addresses provides a more complete picture of the incident. For example, you can use the pre‐defined User/Group Activity to see a summary of the web activity of individual users or user groups, or the SaaS Application Usage report to see which users are transferring the most data over unsanctioned SaaS applications.
REQUIREMENTS
To successfully utilize User-ID based access you must configure the following:
User Mapping: You can utilize the local users from the firewall, the caveat to that is that local users will give you limited access features, unlike the use of windows directory or LDAP servers. You need to map your users from your LDAP server (Windows AD / Cloud LDAP / OpenLDAP). You also have to create an authentication profile. I will show you how to do this in another article.
Group Mapping: You also have to map the groups from your LDAP server (Windows AD / Cloud LDAP / OpenLDAP). In order to map this you will need to create and LDAP profile.
Security Zones: You need to enable the use-id option on each zone that you want to use this feature on.
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Disclaimer: The information posted here is informational only. Ricardo Gutierrez won’t be held liable for any mishaps, failures or any other negative outcome. It is the reader’s responsibility to make their own decisions and act on them.
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