Scenario: A network engineer has installed a NetScaler system into their corporate DMZ and would like to
provide access to a web server on the internal LAN. The web server will be accessed by external users through
the NetScaler. The firewall administrator has opened the relevant ports required on the external and the
internal firewall.
The engineer notices that the virtual server and services representing the web server are down and the
internal web server does NOT appear accessible from the NetScaler.
What could be the cause of this?
A.
USIP is not enabled.
B.
Client IP Insertion is not enabled.
C.
A URL rewrite policy is not created.
D.
A SNIP address has not been added.
is this correct? with no SNIP enabled, this servers would also be shown as down right?
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I’d say D. A rewrite policy is not needed to see the internal Web servers. This is a networking issue.
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Technically if you use a custom monitor the NSIP will be used instead of the SNIP since custom monitors dont use the Nescaler shell but the underlying FreeBSD operating system.
So depending on your network configuration (ACLs etc) the monitor using the NSIP could give a positive monitor result while no traffic is actually redirecting/flowing to the back-end server.
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D seems the correct answer to me, without a SNIP it would not work for sure.
The rest makes no scense.
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I have the same idea. C
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D looks ok
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