Thinklogical Secure Console Server Manual Uživatelský manuál stáhnout pdf (Strana 50)

S e c u r e C o n s o l e S e r v e r M a n u a l , R e v . K

, J u l y , 2 0 1 3

Page 50

7.11 SNMP

Simple Network Management Protocol (SNMP) governs network management and the

monitoring of network devices and their functions. Network management stations monitor and

control the network components. SNMP is supported in the SCS as “read only”. Refer to the

man

pages for more details.

7.11.1 Start SNMP

Start SNMP with the command

service snmpd start chkconfig snmpd on

7.12 syslog

Using default settings, the SCS will log all warnings and higher events. The SCS keeps a system

log file called /var/log/messages

The level of logging is controlled by the file

/etc/syslog.conf.

SCS products can log the following:

Notice level events:

•

Port settings changed

•

Begin and end Interactive mode

•

Port buffer cleared

Info level events:

•

User settings modified

•

Port buffer accessed

The default file entry is *.notice

with lower level settings in *.info. (A lower level setting

generates more messages.)

7.13 Timeouts

The SCS system supports timeout on the network port. Refer to the man

page for timeout

options. Use the commands timeoutd and timeouts

7.14 Changing Serial Port Settings

Use stty

to change things like the port name, baud rate or hard/soft flow control. Note that

these changes are temporary and will be lost on the next reboot. To make the changes perm-

anent, edit the file /etc/rc.d/rc.serial. This file contains a list of stty

commands (one for

each port).

7.14.1 Disable buffering while in Interactive

To prevent unauthorized access, do not store data in the Port buffer while in Interactive mode.

Under normal conditions, all data from the serial device is stored in the buffer and can be

viewed at a later time. To disable buffering (only while the Interactive mode is in progress), use

the command:

stty -F/dev/ttyBn -buffer

1 2 ... 45 46 47 48 49 50 51 52 53 54 55 ... 89 90

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