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Diffstat (limited to 'dns/fpdns/pkg-descr')
| -rw-r--r-- | dns/fpdns/pkg-descr | 21 |
1 files changed, 0 insertions, 21 deletions
diff --git a/dns/fpdns/pkg-descr b/dns/fpdns/pkg-descr deleted file mode 100644 index 5caa711499a0..000000000000 --- a/dns/fpdns/pkg-descr +++ /dev/null @@ -1,21 +0,0 @@ -fpdns - Fingerprinting DNS servers - -A nameserver basically responds to a query. Interoperability is an -obvious requirement here. The standard protocol behaviour of different -DNS implementations is expected to be the same. - -Requirements for protocol behaviour of DNS implementations is widely -documented in the case of 'common' dns messages. The DNS protocol -is over 20 years old and since its inception, there have been over -40 independent DNS implementations, while some implementations have -over 20 versions. - -The methodology used to identify individual nameserver implementations -is based on "borderline" protocol behaviour. The DNS protocol offers -a multitude of message bits, response types, opcodes, classes, query -types and label types in a fashion that makes some mutually exclusive -while some are not used in a query messages at all. Not every -implementation offers the full set of features the DNS protocol set -currently has. Some implementations offer features outside the -protocol set, and there are implementations that do not conform to -standards. |