Configuring SNMP under Linux

SNMP (Simple networkmanagement Protocol): Easy Network Management Protocol

The case is listed as Linux Environment Construction ( CentOS-6 )

Use Yum to install:

Yum Install-y Net-snmp

Review the network configuration when the installation is complete:

Netstat-anupl

Confirm 161 The port is being monitored. To edit a firewall release port:

Vi/etc/sysconfig/iptables

Add to:

-A input-m state--state new-m udp-p udp--dport 161-j ACCEPT

save exit and restart iptables Span style= "font-family: ' The song Body '; Color:rgb (51,51,51); background: #FFFFFF;" > service. Note: is using the Span style= "font-family:arial, Sans-serif;" >UDP

Next Configure SNMP :

Vi/etc/snmp/snmpd.conf

1 , mark a common name that enters a security name

# First, map the community name "public" into a "security name" # Sec.name source Communitycom2sec Notconfigu Ser default public

Changing the source to a fixed IPallows only that IP access, while a network segment allows access to a network segment, and multiple data can be added to allow more than one IP access.

2. Add the security name to the group

# Second, map the security name into Agroup name:# groupName Securitymodel securitynamegroup Notconfiggrou P v1 notconfigusergroup notconfiggroup v2c notconfiguser

3. Define a viewable range

# Third, create a view Forus to let the group has rights to:# make in least snmpwalk-v 1 localhost-c public system FAs    tagain.# name INCL/EXCL subtree mask (optional) view SystemView included. 1.3.6.1.2.1.1view SystemView Included. 1.3.6.1.2.1.25.1.1view all included. 1

Mask (optional) is the value of the OID that corresponds to an object in the system that represents the allowed access . 1 below all nodes.

4 , defining the group's View permissions for operations under

# Finally, grant the group Read-only accessto the SystemView view.# Group context Sec.model Sec.level prefix Read Write notifaccess notconfiggroup "" Any noauth exact none none

At this point, the simple configuration is complete.

Report:

Com2sec notconfiguser default Publicgroup notconfiggroup v1 notconfigusergroup notconfiggroup v2c notCon Figuserview all included. 1access Notconfiggroup "", any noauth exact and none none

detect with Snmpwalk on the host

SNMPWALK-V 1 host-c Public system

Configuring SNMP under Linux