Server (Ntp); Tcp-Drop-Synfin-Set - Juniper JUNOS OS 10.4 - FOR EX REV 1 Manual

Complete Software Guide for Junos

server (NTP)

Syntax
Hierarchy Level
Release Information
Description
Options
Required Privilege
Level
Related
Documentation

tcp-drop-synfin-set

Syntax
Hierarchy Level
Release Information
Description
Required Privilege
Level
Related
Documentation
238
®
OS for EX Series Ethernet Switches, Release 10.4
server address <key key-number> <version value> <prefer>;
[edit system ntp]
Statement introduced before Junos OS Release 7.4.
Statement introduced in Junos OS Release 9.0 for EX Series switches.
For NTP, configure the local router or switch to operate in client mode with the remote
system at the specified
address
synchronized with the remote system, but the remote system can never be synchronized
with the local router or switch.
—Address of the remote system. You must specify an address, not a hostname.
address
key key-number —(Optional) Use the specified key number to encrypt authentication
fields in all packets sent to the specified address.
Range: Any unsigned 32-bit integer
prefer —(Optional) Mark the remote system as preferred host, which means that if all
other things are equal, this remote system is chosen for synchronization among a
set of correctly operating systems.
—(Optional) Specify the version number to be used in outgoing NTP packets.
version value
Range: through
1 4
Default:
4
system—To view this statement in the configuration.
system-control—To add this statement to the configuration.
Configuring the NTP Time Server and Time Services
tcp-drop-synfin-set;
[edit system internet-options]
Statement introduced before Junos OS Release 7.4.
Statement introduced in Junos OS Release 9.0 for EX Series switches.
Configure the router or switch to drop packets that have both the SYN and FIN bits set.
admin—To view this statement in the configuration.
admin-control—To add this statement to the configuration.
Configuring the Junos OS to Enable the Router or Switch to Drop Packets with the SYN
and FIN Bits Set
. In this mode, the local router or switch can be
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