Citrix ADC (NetScaler) 13: Pre-authenticating to TCP based services


photo by geralt (pixabay.com) last update: January 5th 2020 Recently I had to find a solution to block all connections to a TCP based service (SSH, TCP port 22), except of connections from IP addresses that pr-eauthenticated using a AAA vServer. This is something, most firewalls can do, but a Citrix ADC / NetScaler can’t. Ok, it can do, or would you think, I’ll write a blog about me failing...

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