Configure the F5 BIG-IP as an Explicit Forward Web Proxy Using LTM

In a previous article, I provided a guide on using F5's Access Policy Manager (APM) and Secure Web Gateway (SWG) to provide forward web proxy services. While that guide was for organizations that are...
Updated Dec 08, 2022
Version 2.0
application delivery
LTM
security
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Paulius
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Jul 18, 2022

Steve_LyonsBased on this article it seems like this forward proxy configuration is suppose to work for HTTP requests to the forward proxy but does this work for HTTPS requests to the forward proxy? Currently when I attempt to utilize the forward proxy for HTTPS communication I receive a "HTTP/1.0 503 Service Unavailable" in the browser and in the tcpdump I see "Connect failed[!http]" which makes me believe this type of forward proxy does not support HTTPS communication. I am seeing "CONNECT <redactid FQDN>:443 HTTP/1.1" and "Host: <redactid FQDN>:443" in the initial request so the F5 is definitely seeing the appropriate pieces of information but it continues to fail.