17 lines
712 B
Text
17 lines
712 B
Text
|
dnscap is a network capture utility designed specifically for DNS
|
||
|
|
traffic. It produces binary data in pcap(3) format. This utility is
|
||
|
|
similar to tcpdump(1), but has a number of features tailored to DNS
|
||
|
|
transactions and protocol options.
|
||
|
|
|
||
|
|
OARC likes to use dnscap for DITL data collections. Some of its
|
||
|
|
features include:
|
||
|
|
|
||
|
|
+ Understands both IPv4 and IPv6
|
||
|
|
+ Captures UDP, TCP, and IP fragments.
|
||
|
|
+ Collect only queries, responses, or both (-s option)
|
||
|
|
+ Collect for only certain source/destination addresses (-a -z -A -Z
|
||
|
|
options)
|
||
|
|
+ Periodically creates new pcap files (-t option)
|
||
|
|
+ Spawns an upload script after closing a pcap file (-k option)
|
||
|
|
+ Will start and stop collecting at specific times (-B -E options)
|