mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-12-11 14:06:16 +02:00
18 lines
678 B
Plaintext
18 lines
678 B
Plaintext
|
# (S)NTP - (Simple) Network Time Protocol - RFCs 1305 and 2030
|
||
|
|
# Pattern quality: good veryfast overmatch
|
||
|
|
#
|
||
|
|
# This pattern is tested and is believed to work. If this does not work
|
||
|
|
# for you, or you believe it could be improved, please post to
|
||
|
|
# l7-filter-developers@lists.sf.net . Subscribe at
|
||
|
|
# http://lists.sourceforge.net/lists/listinfo/l7-filter-developers
|
||
|
|
|
||
|
|
# client|server
|
||
|
|
# Requires the server's timestamp to be in the present or future (of 2005).
|
||
|
|
# Tested with ntpdate on Linux.
|
||
|
|
# Assumes version 2, 3 or 4.
|
||
|
|
|
||
|
|
# Note that ntp packets are always 48 bytes, so you should match on that too.
|
||
|
|
|
||
|
|
ntp
|
||
|
|
^([\x13\x1b\x23\xd3\xdb\xe3]|[\x14\x1c$].......?.?.?.?.?.?.?.?.?[\xc6-\xff])
|