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Mastering Netscaler VPX
book

Mastering Netscaler VPX

by Marius Sandbu, Rick Roetenberg, Andy Paul
November 2015
Intermediate to advanced content levelIntermediate to advanced
218 pages
5h 8m
English
Packt Publishing
Content preview from Mastering Netscaler VPX

DNS

DNS is critical for all types of web applications because it allows us to use domain names—for instance www.citrix.com—instead of remembering IP addresses. It also helps SSL-based web applications with certificates to work since the trust underneath is built upon the hostname attribute or FQDN. DNS is also crucial for GSLB because it is mainly a DNS-based load-balancing feature.

NetScaler can operate as its own authoritative DNS server or use another DNS server as source and NetScaler can also serve as a proxy between authoritative DNS servers and clients.

Now by default if we add an external DNS server, the DNS communication between the NetScaler and the DNS server is sourced from the SNIP address, which is closest to the source. This means ...

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Publisher Resources

ISBN: 9781785281730Supplemental Content