Q&A: What is Displacement of Proxy? – F5 Silverline Knowledge Base

Question

What does a proxy displacement by the SOC mean?

Environment

Silverline WAF
Silverline DDoS
Proxy / Proxies

Answer

Displacement - a series of proxy deployments during which we disable scrubbing centers one-by-one, so that any corrupt configuration is removed. No outage is expected. During this process, the proxy may be moved to another part of the infrastructure, and software version change may appear.

As a procedure that needs proxy deployment, it can cause a reset of the client's session. Solved by refreshing page in the browser.
Usually takes 30 minutes, during which clients may encounter resets.
Because of nature of this process we would suggest to schedule this activity with SOC outside of business hours to avoid any potential issues.

Important Note

If all of your user base is traversing through single geolocation datacenter, this will ultimately result in session disconnection for all user base.
In cases where user base is more spread out globally, this is less impactful.

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Environment

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