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[NSM] How to enable SNMP on the local firewall (iptables)

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Article ID: KB23472 KB Last Updated: 06 Apr 2012Version: 1.0
Summary:
This article provides information on how to enable SNMP on the local firewall (iptables) of NSMXpress.
Symptoms:
How to enable SNMP on the local firewall (iptables) of NSMXpress.
Cause:

Solution:
To enable SNMP on iptables, make the following changes:

  • vi /etc/sysconfig/iptables:

    • A INPUT -p tcp -m tcp --dport 161 -j ACCEPT

    • A INPUT -p udp -m udp --dport 162 -j ACCEPT

  • vi /usr/libexec/nsmxwui/access/access-lib.pl:

    • sub ipt_nsm
      {
      # guiSvr
      &ipt_ok('tcp', 7801);
      &ipt_ok('tcp', 7808);
      #haSvr
      &ipt_ok('udp', 7802);
      #devSvr
      &ipt_ok('tcp', 7800);
      &ipt_ok('tcp', 7803);
      &ipt_ok('tcp', 7804);
      &ipt_ok('tcp', 15400);
      &ipt_ok('tcp', 161);
      &ipt_ok('udp', 162);
      &ipt_ok('tcp', 11122);
      


 Now restart iptables:

/etc/init.d/iptables restart


iptables –L

It will be shown as below:

ACCEPT tcp -- anywhere anywhere tcp dpt:snmp
ACCEPT udp -- anywhere anywhere udp dpt:snmptrap

Note: Everytime NSM is upgraded, changes to access-lib.pl will have to be made.
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