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Special Forums IP Networking Help determining what's blocking ports Post 302275643 by lasitha2005d on Sunday 11th of January 2009 06:58:25 PM
Old 01-11-2009
Hi

Definitely your Active Directory computer configurations should be checked. If the group policy prevents or any other systems such as ISA server is placed or any software firewall have been placed , you won't be able to connect to the internet. Start from the gateway and the DNS servers...And especially the internet server or the internet perimeter. May b a router...May be the gateway...Start from the internet gateway. And for campuses there has to be policy for internet usage...Try to scan a web site using nmap and check whether their is a block . It will do tracert too.Scan services also. Use latest version. Start from the smallest thing. The servers always have unique and dedicated IP s. So it will b easy when you have found the ip address assignment.
Smilie I think otheus sounds right.

Last edited by lasitha2005d; 01-11-2009 at 08:06 PM..
 

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SNMPTRANSLATE(1)						     Net-SNMP							  SNMPTRANSLATE(1)

NAME
snmptranslate - translate MIB OID names between numeric and textual forms SYNOPSIS
snmptranslate [OPTIONS] OID [OID]... DESCRIPTION
snmptranslate is an application that translates one or more SNMP object identifier values from their symbolic (textual) forms into their numerical forms (or vice versa). OID is either a numeric or textual object identifier. OPTIONS
-D[TOKEN[,...]] Turn on debugging output for the given TOKEN(s). Try ALL for extremely verbose output. -h Display a brief usage message and then exit. -m MIBLIST Specifies a colon separated list of MIB modules to load for this application. This overrides the environment variable MIBS. The special keyword ALL is used to specify all modules in all directories when searching for MIB files. Every file whose name does not begin with "." will be parsed as if it were a MIB file. -M DIRLIST Specifies a colon separated list of directories to search for MIBs. This overrides the environment variable MIBDIRS. -T TRANSOPTS Provides control over the translation of the OID values. The following TRANSOPTS are available: -Td Print full details of the specified OID. -Tp Print a graphical tree, rooted at the specified OID. -Ta Dump the loaded MIB in a trivial form. -Tl Dump a labeled form of all objects. -To Dump a numeric form of all objects. -Ts Dump a symbolic form of all objects. -Tt Dump a tree form of the loaded MIBs (mostly useful for debugging). -Tz Dump a numeric and labeled form of all objects (compatible with MIB2SCHEMA format). -V Display version information for the application and then exit. -w WIDTH Specifies the width of -Tp and -Td output. The default is very large. In addition to the above options, snmptranslate takes the OID input (-I), MIB parsing (-M) and OID output (-O) options described in the INPUT OPTIONS, MIB PARSING OPTIONS and OUTPUT OPTIONS sections of the snmpcmd(1) manual page. EXAMPLES
o snmptranslate -On -IR sysDescr will translate "sysDescr" to a more qualified form: system.sysDescr o snmptranslate -Onf -IR sysDescr will translate "sysDecr" to: .iso.org.dod.internet.mgmt.mib-2.system.sysDescr o snmptranslate -Td -OS system.sysDescr will translate "sysDecr" into: SNMPv2-MIB::sysDescr sysDescr OBJECT-TYPE -- FROM SNMPv2-MIB -- TEXTUAL CONVENTION DisplayString SYNTAX OCTET STRING (0..255) DISPLAY-HINT "255a" MAX-ACCESS read-only STATUS current DESCRIPTION "A textual description of the entity. This value should include the full name and version identification of the system's hardware type, software operating-system, and networking software." ::= { iso(1) org(3) dod(6) internet(1) mgmt(2) mib-2(1) system(1) 1 } o snmptranslate -Tp -OS system will print the following tree: +--system(1) | +-- -R-- String sysDescr(1) | Textual Convention: DisplayString | Size: 0..255 +-- -R-- ObjID sysObjectID(2) +-- -R-- TimeTicks sysUpTime(3) +-- -RW- String sysContact(4) | Textual Convention: DisplayString | Size: 0..255 +-- -RW- String sysName(5) | Textual Convention: DisplayString | Size: 0..255 +-- -RW- String sysLocation(6) | Textual Convention: DisplayString | Size: 0..255 +-- -R-- Integer sysServices(7) +-- -R-- TimeTicks sysORLastChange(8) | Textual Convention: TimeStamp | +--sysORTable(9) | +--sysOREntry(1) | +-- ---- Integer sysORIndex(1) +-- -R-- ObjID sysORID(2) +-- -R-- String sysORDescr(3) | Textual Convention: DisplayString | Size: 0..255 +-- -R-- TimeTicks sysORUpTime(4) Textual Convention: TimeStamp o snmptranslate -Ta | head will produce the following dump: dump DEFINITIONS ::= BEGIN org ::= { iso 3 } dod ::= { org 6 } internet ::= { dod 1 } directory ::= { internet 1 } mgmt ::= { internet 2 } experimental ::= { internet 3 } private ::= { internet 4 } security ::= { internet 5 } snmpV2 ::= { internet 6 } o snmptranslate -Tl | head will produce the following dump: .iso(1).org(3) .iso(1).org(3).dod(6) .iso(1).org(3).dod(6).internet(1) .iso(1).org(3).dod(6).internet(1).directory(1) .iso(1).org(3).dod(6).internet(1).mgmt(2) .iso(1).org(3).dod(6).internet(1).mgmt(2).mib-2(1) .iso(1).org(3).dod(6).internet(1).mgmt(2).mib-2(1).system(1) .iso(1).org(3).dod(6).internet(1).mgmt(2).mib-2(1).system(1).sysDescr(1) .iso(1).org(3).dod(6).internet(1).mgmt(2).mib-2(1).system(1).sysObjectID(2) .iso(1).org(3).dod(6).internet(1).mgmt(2).mib-2(1).system(1).sysUpTime(3) o snmptranslate -To | head will produce the following dump .1.3 .1.3.6 .1.3.6.1 .1.3.6.1.1 .1.3.6.1.2 .1.3.6.1.2.1 .1.3.6.1.2.1.1 .1.3.6.1.2.1.1.1 .1.3.6.1.2.1.1.2 .1.3.6.1.2.1.1.3 o snmptranslate -Ts | head will produce the following dump .iso.org .iso.org.dod .iso.org.dod.internet .iso.org.dod.internet.directory .iso.org.dod.internet.mgmt .iso.org.dod.internet.mgmt.mib-2 .iso.org.dod.internet.mgmt.mib-2.system .iso.org.dod.internet.mgmt.mib-2.system.sysDescr .iso.org.dod.internet.mgmt.mib-2.system.sysObjectID .iso.org.dod.internet.mgmt.mib-2.system.sysUpTime o snmptranslate -Tt | head will produce the following dump org(3) type=0 dod(6) type=0 internet(1) type=0 directory(1) type=0 mgmt(2) type=0 mib-2(1) type=0 system(1) type=0 sysDescr(1) type=2 tc=4 hint=255a sysObjectID(2) type=1 sysUpTime(3) type=8 SEE ALSO
snmpcmd(1), variables(5), RFC 2578-2580. V5.6.2.1 20 Jul 2010 SNMPTRANSLATE(1)
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