DNS
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... The Internet uses the Domain Name System (DNS) to perform address
resolution for host and network ...
... Internet, but are
subject to the same risks as a DNS server. Name-to-address
resolution is critical to the secure operation of any network ...
... network. An
attacker who can successfully control or impersonate a DNS server can
re-route traffic ...
... secrets. An organization should create well known, protected sites
to act as secondary name servers and protect their DNS masters from
denial of service attacks using filtering ...
...
Traditionally, DNS has had no security capabilities. In particular,
the information returned from a query ...
... by the bastion host. Some servers have forwarding built in (like
DNS-servers or SMTP-servers), for other services (e.g., Telnet ...