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Changes:
2014/09/12 Duane Wessels
Added 'new-gtlds' filter, which includes only queries for names
ending with one of the new (2013/2014) generic TLDs. This may
be useful to find hosts/servers using internal names which may
collide with new gTLDs once they become active. If you use
short (not fully qualified) names internally you may be uknownlying
relying on root (or other) name servers to return NXDOMAIN for
them. If so, "you're gonna have a bad time."
Along with this new feature, TLD lists are now hashed in the
code for faster lookups.
2012/11/30 Duane Wessels
Added more entries to the table of known query type names (HINFO,
AFSDB, PX, SSHFP, NSEC3, NSEC3PARAM, TLSA, DLV).
2012/10/15 Duane Wessels
The 'refused' filter only works on responses, which are not
processed by default. Now, if the 'refused' filter is specified,
dnstop will automatically process responses and ignore queries.
2012/06/11 Duane Wessels
Added "qtype-any" filter for displaying ANY queries which are
now fashionable in DNS based attacks.
2011/05/02 Duane Wessels
Anand Buddhev pointed out that LDFLAGS= is missing from Makefile.in.
Also updated known_tlds.h.
2011/01/27 Duane Wessels
Fixed some portability bugs (OpenBSD, gmake 3.82) and other
minor bugs.
Added a feature (-n option) to restrict counting to a given
query name.
2011/01/05 Duane Wessels
Found a fixed a few problems after spending some quality time
looking at the code.
1) Hash table performance was terrible and has been improved.
The hash table size is now configurable via command line
option.
2) Some things were double-counted when both -Q and -R were
given.
3) Added cumulative percentage totals to the tables
4) Added -X option to disable the source+queryname tables, which
could consume a lot of memory.
5) Imported "inX_addr" mini-library for storing IPv4/IPv6
addresses.
2010/12/27 Duane Wessels
Fixed a bug where if stdout was a TTY but stdin was not a TTY,
then dnstop would enter a loop on keyboard input and consume
100% CPU. Now it checks that stdin is a TTY as well.
