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아래 net-snmp 설치에서...

Anermy의 이미지
글쓴이: Anermy / 작성시간: 화, 2007/07/24 - 3:32오후

잘되다가..
아마도 리스타트 시키니까 161 포트가 사라지는거 같습니다.
그래서 kill로 죽이고 데몬을 띄워봤지만 다시 띄워지지 않네요...
이경우 어떻게 해야 하는지요.... 흑...

<span>[root@localhost /]# ps -ef | grep snmpd</span>
root     24218     1  0 14:07 ?        00:00:00 /usr/local/sbin/snmpd -c /usr/local/share/snmp/snmpd.conf
root     24295 19395  0 15:23 pts/1    00:00:00 grep snmpd
[root@localhost /]#
<span>[root@localhost /]# kill 24218</span>
<span>[root@localhost /]# /usr/local/sbin/snmpd -c /usr/local/share/snmp/snmpd.conf</span>
<span>[root@localhost /]# ps -ef | grep snmpd</span>
root     24298     1  2 15:24 ?        00:00:00 /usr/local/sbin/snmpd -c /usr/local/share/snmp/snmpd.conf
root     24300 19395  0 15:24 pts/1    00:00:00 grep snmpd
<span>[root@localhost /]# netstat -atn | grep udp</span>
[root@localhost /]#
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Anermy의 이미지

글쓴이: Anermy / 작성시간: 화, 2007/07/24 - 3:55오후 

<span>[root@localhost /]# snmpwalk -v 2c -c public localhost system</span>
SNMPv2-MIB::sysDescr.0 = STRING: Linux localhost.localdomain 2.6.9-42.ELsmp #1 SMP Sat Aug 12 09:39:11 CDT 2006 i686
SNMPv2-MIB::sysObjectID.0 = OID: NET-SNMP-MIB::netSnmpAgentOIDs.10
SNMPv2-MIB::sysUpTime.0 = Timeticks: (11634) 0:01:56.34
SNMPv2-MIB::sysContact.0 = STRING: Me <httpds@gmail.com>
SNMPv2-MIB::sysName.0 = STRING: localhost.localdomain
SNMPv2-MIB::sysLocation.0 = STRING: Right here, right now.
SNMPv2-MIB::sysORLastChange.0 = Timeticks: (0) 0:00:00.00
SNMPv2-MIB::sysORID.1 = OID: IF-MIB::ifMIB
SNMPv2-MIB::sysORID.2 = OID: SNMPv2-MIB::snmpMIB
SNMPv2-MIB::sysORID.3 = OID: TCP-MIB::tcpMIB
SNMPv2-MIB::sysORID.4 = OID: IP-MIB::ip
SNMPv2-MIB::sysORID.5 = OID: UDP-MIB::udpMIB
SNMPv2-MIB::sysORID.6 = OID: SNMP-VIEW-BASED-ACM-MIB::vacmBasicGroup
SNMPv2-MIB::sysORID.7 = OID: SNMP-FRAMEWORK-MIB::snmpFrameworkMIBCompliance
SNMPv2-MIB::sysORID.8 = OID: SNMP-MPD-MIB::snmpMPDCompliance
SNMPv2-MIB::sysORID.9 = OID: SNMP-USER-BASED-SM-MIB::usmMIBCompliance
SNMPv2-MIB::sysORDescr.1 = STRING: The MIB module to describe generic objects for network interface sub-layers
SNMPv2-MIB::sysORDescr.2 = STRING: The MIB module for SNMPv2 entities
SNMPv2-MIB::sysORDescr.3 = STRING: The MIB module for managing TCP implementations
SNMPv2-MIB::sysORDescr.4 = STRING: The MIB module for managing IP and ICMP implementations
SNMPv2-MIB::sysORDescr.5 = STRING: The MIB module for managing UDP implementations
SNMPv2-MIB::sysORDescr.6 = STRING: View-based Access Control Model for SNMP.
SNMPv2-MIB::sysORDescr.7 = STRING: The SNMP Management Architecture MIB.
SNMPv2-MIB::sysORDescr.8 = STRING: The MIB for Message Processing and Dispatching.
SNMPv2-MIB::sysORDescr.9 = STRING: The management information definitions for the SNMP User-based Security Model.
SNMPv2-MIB::sysORUpTime.1 = Timeticks: (0) 0:00:00.00
SNMPv2-MIB::sysORUpTime.2 = Timeticks: (0) 0:00:00.00
SNMPv2-MIB::sysORUpTime.3 = Timeticks: (0) 0:00:00.00
SNMPv2-MIB::sysORUpTime.4 = Timeticks: (0) 0:00:00.00
SNMPv2-MIB::sysORUpTime.5 = Timeticks: (0) 0:00:00.00
SNMPv2-MIB::sysORUpTime.6 = Timeticks: (0) 0:00:00.00
SNMPv2-MIB::sysORUpTime.7 = Timeticks: (0) 0:00:00.00
SNMPv2-MIB::sysORUpTime.8 = Timeticks: (0) 0:00:00.00
SNMPv2-MIB::sysORUpTime.9 = Timeticks: (0) 0:00:00.00

localhost로 테스트 해보면.. 잘되는듯 합니다. 

[root@localhost /]# snmpwalk -v 2c -c public 192.168.0.1 system
Timeout: No Response from 192.168.0.1

해당 아이피로도 잘됩니다...

<span>[root@localhost /]# snmpwalk -v 2c -c public 211.ㅇㅇ.ㅇㅇ.ㅇㅇ system</span>
SNMPv2-MIB::sysDescr.0 = STRING: Linux localhost.localdomain 2.6.9-42.ELsmp #1 SMP Sat Aug 12 09:39:11 CDT 2006 i686
SNMPv2-MIB::sysObjectID.0 = OID: NET-SNMP-MIB::netSnmpAgentOIDs.10
SNMPv2-MIB::sysUpTime.0 = Timeticks: (37894) 0:06:18.94
SNMPv2-MIB::sysContact.0 = STRING: Me <httpds@gmail.com>
SNMPv2-MIB::sysName.0 = STRING: localhost.localdomain
SNMPv2-MIB::sysLocation.0 = STRING: Right here, right now.
SNMPv2-MIB::sysORLastChange.0 = Timeticks: (0) 0:00:00.00
SNMPv2-MIB::sysORID.1 = OID: IF-MIB::ifMIB
SNMPv2-MIB::sysORID.2 = OID: SNMPv2-MIB::snmpMIB
SNMPv2-MIB::sysORID.3 = OID: TCP-MIB::tcpMIB
SNMPv2-MIB::sysORID.4 = OID: IP-MIB::ip
SNMPv2-MIB::sysORID.5 = OID: UDP-MIB::udpMIB
SNMPv2-MIB::sysORID.6 = OID: SNMP-VIEW-BASED-ACM-MIB::vacmBasicGroup
SNMPv2-MIB::sysORID.7 = OID: SNMP-FRAMEWORK-MIB::snmpFrameworkMIBCompliance
SNMPv2-MIB::sysORID.8 = OID: SNMP-MPD-MIB::snmpMPDCompliance
SNMPv2-MIB::sysORID.9 = OID: SNMP-USER-BASED-SM-MIB::usmMIBCompliance
SNMPv2-MIB::sysORDescr.1 = STRING: The MIB module to describe generic objects for network interface sub-layers
SNMPv2-MIB::sysORDescr.2 = STRING: The MIB module for SNMPv2 entities
SNMPv2-MIB::sysORDescr.3 = STRING: The MIB module for managing TCP implementations
SNMPv2-MIB::sysORDescr.4 = STRING: The MIB module for managing IP and ICMP implementations
SNMPv2-MIB::sysORDescr.5 = STRING: The MIB module for managing UDP implementations
SNMPv2-MIB::sysORDescr.6 = STRING: View-based Access Control Model for SNMP.
SNMPv2-MIB::sysORDescr.7 = STRING: The SNMP Management Architecture MIB.
SNMPv2-MIB::sysORDescr.8 = STRING: The MIB for Message Processing and Dispatching.
SNMPv2-MIB::sysORDescr.9 = STRING: The management information definitions for the SNMP User-based Security Model.
SNMPv2-MIB::sysORUpTime.1 = Timeticks: (0) 0:00:00.00
SNMPv2-MIB::sysORUpTime.2 = Timeticks: (0) 0:00:00.00
SNMPv2-MIB::sysORUpTime.3 = Timeticks: (0) 0:00:00.00
SNMPv2-MIB::sysORUpTime.4 = Timeticks: (0) 0:00:00.00
SNMPv2-MIB::sysORUpTime.5 = Timeticks: (0) 0:00:00.00
SNMPv2-MIB::sysORUpTime.6 = Timeticks: (0) 0:00:00.00
SNMPv2-MIB::sysORUpTime.7 = Timeticks: (0) 0:00:00.00
SNMPv2-MIB::sysORUpTime.8 = Timeticks: (0) 0:00:00.00
SNMPv2-MIB::sysORUpTime.9 = Timeticks: (0) 0:00:00.00

근데 netstat -atn 으로는 안보이는 걸까요.

아래는 nmap 결과입니다.

[root@localhost /]# snmpwalk -v 2c -c public 211.ㅇㅇ.ㅇㅇ.ㅇㅇ system
SNMPv2-MIB::sysDescr.0 = STRING: Linux localhost.localdomain 2.6.9-42.ELsmp #1 SMP Sat Aug 12 09:39:11 CDT 2006 i686
SNMPv2-MIB::sysObjectID.0 = OID: NET-SNMP-MIB::netSnmpAgentOIDs.10
SNMPv2-MIB::sysUpTime.0 = Timeticks: (37894) 0:06:18.94
SNMPv2-MIB::sysContact.0 = STRING: Me <httpds@gmail.com>
SNMPv2-MIB::sysName.0 = STRING: localhost.localdomain
SNMPv2-MIB::sysLocation.0 = STRING: Right here, right now.
SNMPv2-MIB::sysORLastChange.0 = Timeticks: (0) 0:00:00.00
SNMPv2-MIB::sysORID.1 = OID: IF-MIB::ifMIB
SNMPv2-MIB::sysORID.2 = OID: SNMPv2-MIB::snmpMIB
SNMPv2-MIB::sysORID.3 = OID: TCP-MIB::tcpMIB
SNMPv2-MIB::sysORID.4 = OID: IP-MIB::ip
SNMPv2-MIB::sysORID.5 = OID: UDP-MIB::udpMIB
SNMPv2-MIB::sysORID.6 = OID: SNMP-VIEW-BASED-ACM-MIB::vacmBasicGroup
SNMPv2-MIB::sysORID.7 = OID: SNMP-FRAMEWORK-MIB::snmpFrameworkMIBCompliance
SNMPv2-MIB::sysORID.8 = OID: SNMP-MPD-MIB::snmpMPDCompliance
SNMPv2-MIB::sysORID.9 = OID: SNMP-USER-BASED-SM-MIB::usmMIBCompliance
SNMPv2-MIB::sysORDescr.1 = STRING: The MIB module to describe generic objects for network interface sub-layers
SNMPv2-MIB::sysORDescr.2 = STRING: The MIB module for SNMPv2 entities
SNMPv2-MIB::sysORDescr.3 = STRING: The MIB module for managing TCP implementations
SNMPv2-MIB::sysORDescr.4 = STRING: The MIB module for managing IP and ICMP implementations
SNMPv2-MIB::sysORDescr.5 = STRING: The MIB module for managing UDP implementations
SNMPv2-MIB::sysORDescr.6 = STRING: View-based Access Control Model for SNMP.
SNMPv2-MIB::sysORDescr.7 = STRING: The SNMP Management Architecture MIB.
SNMPv2-MIB::sysORDescr.8 = STRING: The MIB for Message Processing and Dispatching.
SNMPv2-MIB::sysORDescr.9 = STRING: The management information definitions for the SNMP User-based Security Model.
SNMPv2-MIB::sysORUpTime.1 = Timeticks: (0) 0:00:00.00
SNMPv2-MIB::sysORUpTime.2 = Timeticks: (0) 0:00:00.00
SNMPv2-MIB::sysORUpTime.3 = Timeticks: (0) 0:00:00.00
SNMPv2-MIB::sysORUpTime.4 = Timeticks: (0) 0:00:00.00
SNMPv2-MIB::sysORUpTime.5 = Timeticks: (0) 0:00:00.00
SNMPv2-MIB::sysORUpTime.6 = Timeticks: (0) 0:00:00.00
SNMPv2-MIB::sysORUpTime.7 = Timeticks: (0) 0:00:00.00
SNMPv2-MIB::sysORUpTime.8 = Timeticks: (0) 0:00:00.00
SNMPv2-MIB::sysORUpTime.9 = Timeticks: (0) 0:00:00.00

[root@localhost /]# nmap -sU 211.ㅇㅇ.ㅇㅇ.ㅇㅇ
 
Starting nmap 3.70 ( <a href="http://www.insecure.org/nmap/" rel="nofollow">http://www.insecure.org/nmap/</a> ) at 2007-07-24 15:32 KST
Interesting ports on ㅇㅇㅇㅇㅇ.co.kr (211.ㅇㅇ.ㅇㅇ.ㅇㅇ):
(The 1472 ports scanned but not shown below are in state: closed)
PORT    STATE         SERVICE
53/udp  open|filtered domain
111/udp open|filtered rpcbind
161/udp open|filtered snmp
631/udp open|filtered unknown
887/udp open|filtered unknown
890/udp open|filtered unknown
 
Nmap run completed -- 1 IP address (1 host up) scanned in 1.484 seconds
[root@localhost /]#
[root@localhost /]#
[root@localhost /]# nmap -sU local
 
Starting nmap 3.70 ( <a href="http://www.insecure.org/nmap/" rel="nofollow">http://www.insecure.org/nmap/</a> ) at 2007-07-24 15:32 KST
Failed to resolve given hostname/IP: local.  Note that you can't use '/mask' AND '[1-4,7,100-]' style IP ranges
WARNING: No targets were specified, so 0 hosts scanned.
Nmap run completed -- 0 IP addresses (0 hosts up) scanned in 0.009 seconds
[root@localhost /]#
[root@localhost /]#
[root@localhost /]#
[root@localhost /]# nmap -sU localhost
 
Starting nmap 3.70 ( <a href="http://www.insecure.org/nmap/" rel="nofollow">http://www.insecure.org/nmap/</a> ) at 2007-07-24 15:32 KST
Interesting ports on localhost.localdomain (127.0.0.1):
(The 1472 ports scanned but not shown below are in state: closed)
PORT    STATE         SERVICE
53/udp  open|filtered domain
111/udp open|filtered rpcbind
161/udp open|filtered snmp
631/udp open|filtered unknown
887/udp open|filtered unknown
890/udp open|filtered unknown
 
Nmap run completed -- 1 IP address (1 host up) scanned in 1.448 seconds
[root@localhost /]#
[root@localhost /]#
[root@localhost /]# nmap -sU 192.168.0.1
 
Starting nmap 3.70 ( <a href="http://www.insecure.org/nmap/" rel="nofollow">http://www.insecure.org/nmap/</a> ) at 2007-07-24 15:33 KST
Note: Host seems down. If it is really up, but blocking our ping probes, try -P0
Nmap run completed -- 1 IP address (0 hosts up) scanned in 2.039 seconds
[root@localhost /]#
[root@localhost /]#
[root@localhost /]# nmap -sU 192.168.0.0
 
Starting nmap 3.70 ( <a href="http://www.insecure.org/nmap/" rel="nofollow">http://www.insecure.org/nmap/</a> ) at 2007-07-24 15:33 KST
Note: Host seems down. If it is really up, but blocking our ping probes, try -P0
Nmap run completed -- 1 IP address (0 hosts up) scanned in 2.056 seconds
[root@localhost /]#

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