46 lines
2.1 KiB
Plaintext
46 lines
2.1 KiB
Plaintext
Our net-snmp package was audited by Thomas Biege of the SuSE Security team
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prior to the release of CERT Advisory CA-2002-03. Of course, this
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is not a guarantee that future problems will not be found and does not
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address flaws and insecurities inherent in software as powerful and
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complex as an SNMP implementation. Because of this we recommend that
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SNMP access (161/udp,162/udp) be blocked at your firewall.
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There are also some important changes that have been made in this release
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of our package:
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o the daemon now sets a PID file in /var/run/
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o logging is now done directly to /var/log/net-snmp.log instead
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of sending stderr/stdout through syslog. If you don't want logging,
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remove the '-l /var/log/net-snmp.log' from /etc/init.d/snmpd.
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o the daemon is now started with the '-r'. This option prevents
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snmpd from exiting if it doesn't have permission to read something.
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This only occurs if you start snmpd on a high port as a non-root
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root user.
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o If you need to run snmptrapd, we've provided an example init
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script in /usr/share/doc/packages/net-snmp/rc.snmptrapd. SNMP
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traps should be avoided whenever possible because they are
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unreliable (you should poll with snmpget instead) and snmptrapd
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has been the source of many of the security problems with snmp
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so please don't run this unless you are sure of what you are doing.
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To install the script,
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cp rc.snmptrapd /etc/init.d/snmptrapd
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innserv /etc/init.d/snmptrapd
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cd /usr/sbin && ln -s ../../etc/init.d/snmptrapd .
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and create a configuration file named /etc/snmptrapd.conf. Then,
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start the daemon with
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rcsnmptrapd start
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Logging is done to /var/log/net-snmptrapd.log.
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o Master agentx support is enabled if you have modules in
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/usr/lib/net-snmp/--the domain socket is created as
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/var/run/agentx/master. You can change this to a network
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interface if needed (see snmpd(1)). The snmpd init script
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automatically detects and starts any sub-agents in placed into
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/var/lib/net-snmp.
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More documentation on the net-snmp package can be found in this directory
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as well as the project's homepage: http://net-snmp.sourceforge.net/
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