Overly broad permissions can turn one compromised account into a much larger security problem. Learn how to reduce unnecessary access, review privileges, and apply least privilege across modern Linux systems. Review Linux Privileges×
Using transparent proxying, you intercept their web requests and redirect them through the proxy. Nice and simple -- on the surface.
Transparent proxying (more commonly known as TCP hijacking) is like Network Address Translation (NAT) in some respects: It is to be avoided at all costs, and only used if there absolutely, positively, no other way.