SNMP Packet Is Not Reaching Its Destination?
Oct 5, 2011
I have SNMP Class which creates the SNMP packet and then create a UDP socket to send the packet..but when I use this class to send Get Packet then I m not getting any response...i have come to this point that packet is not going to its destination because i used wireshark to check if some traffic is going from udp port 161 but I m not getting any traffic when I debug my program....here is the part of the class that creates the socket:
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Jun 16, 2010
I am making a software in VB .NET and I wanted to find out where a packet is directed i.e whats its destination IP .ctually what I am doing is kind of a relay.. means for example - A computer(192.168.1.2) wants to send a data to 192.168.1.10:80 but I make it send the data to my server computer i.e 192.168.1.5 which then sends the data to the destination machine which 192.168.1.10:80 .So basically I want to find out where the packet wants to reach(in this case 92.168.1.10:80) . The structure looks like --Client Computer -> Destination Computer [ In normal case ]But I want to do something like this :- Client Computer -> Server Computer -> Destination computerFor the Server computer to send the data to destination computer I guess I will have to know where the packet wants to reach or something
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Feb 3, 2009
I could put a Textbox in a Panel then that panel is placed in a TabPage, how do I go out going through the hierarchy of the Textbox parent until reaching the TabPage? My purpose for this is if I want to focus on a Textbox then of course I would have to also select the TabPage where it is located, is there an easier way than what I am planning to do?
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Jul 16, 2011
I want to get the SNMP Getresponse in a datagridview..I have bind an Array in the datagrid..But the problem is i m not getting any response in datagrid instead i m getting a message box that shows "No results received"..How can I get my Snmp GetResponse in a datagridView? Here is the code
Private Sub DataGridView2_CellContentClick(ByVal sender As System.Object, ByVal e As System.Windows.Forms.DataGridViewCellEventArgs) Handles DataGridView2.CellContentClick
Dim dt As New DataTable()[code].....
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Jun 3, 2010
I have a need to add the ability to receive SNMP traps into one of my server apps (written in VB 2005). I have setup a UDP listener on port 162 (SNMP trap port) and can successfully get the trap message in a byte array no probs.
The problem is that I have no idea how to make a meaningfull message from this byte array. Does anyone have any pointers / code to either translate into a meaningfull message stream or a better way of adding this type of functionality (without adding 3rd party dll's etc).
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Oct 2, 2009
I need to create a monitoring mechanism using SNMP (in .Net). I think we'll be using an nsoftware component to handle most of the work. It appears we must use 'traps' to communicate from the agent to the server. We'll have a number of different traps and various information detailing each trap. What is the best way to implement custom traps? That is, what is the best way to not only send a trap, but also send the information describing the trap to our 'snmp manager'? I think this is done through "variable bindings". To use "variable bindings" do we need to create our own "enterprise number" and use an "enterpriseSpecific" trap? Should we implement our own, custom MIBs or can we just send the data we need with the trap (via variable bindings)?
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Jul 30, 2009
I have the an ASCII message of SNMP traps, how can i sent it to different IP address? i dont want to use email instead. Given a IP address and the port, of that receiver machine. tell me the solution or where can i get references to the command at least. coz i could find anything regarding it.
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Jun 4, 2011
I have created an SNMP class. And then I want to test this class, so I create a program which imports this class ...
Imports SNMPClass
Module Module1
End Module
Public Class SimpleSNMP
Public Sub Main(ByVal argv As String())
[Code] .....
I got an error in this line
Dim conn As New SNMP()
Which says "SNMPClass.SNMP is not accessible in this context because it is friend"..
I am using Visual Studio 2008
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Jun 24, 2012
I have been trying to get the Alert Code from my printer at work to see what exactly is happening however each time I send an SNMP query it doesn't return any results. I am using SimpleSNMP references. The printer is a Canon iR-ADV C5045.
This is how I call the function:
Dim strAlertCode As String = SNMPQueryGet("1.3.6.1.2.1.43.18.1.1.7")
This is the function:
Private Function SNMPQueryGet(ByVal OID As String)
Dim strResult As String = "True"
Dim host As String = "192.168.1.202"
[Code] .....
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Jun 22, 2010
how to find cpu usage information through net-snmp using .net application.
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Mar 10, 2009
I'm building a simple udp lan chat application in vb.net and I'm wondering how I should split my packets. Each sent packet should have like an id, a username and ip address from where it's coming and maybe also a command part for like join or leave to update my userlist and a text message. I'd like to know what is the easiest way to put all this in a simple packet then easily split and access different parts from it when it's received. thanks.I'm using UDP since this is only in lan so i'm broadcasting to *.*.*.255
What I want to know is what would be the most easy and powerful way to format my packets so they include a username , an id, a command and a text message, then the user receiving it decrypt it to show only the message written by which user or if it's a command like join or leave to show the appropriate message of joining and add the user to the list for exemple.
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Mar 11, 2010
first question is: Do you need to port-forward anything in order to receive a response?he sake of all that is good and holy, don't use ACCESS, EXCEL, or a TEXT FILE as a database. If you want your program to use a "local database", without any of the hassle of setting up a MS SQL or MySQL server, just click this link: >>> SQLite <<< Seriously. This is for your own good.
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Feb 22, 2009
I am trying to intercept connections on port 2302 that is being used by a game. I was think about using something along the lines of
#Region " Imports "
Imports System
Imports System.IO
Imports System.Windows.Forms
[code]....
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May 2, 2011
I want to create my own pocket editor like WPE because i want to program it.(To send special messages to the game servers when my program receives something.)
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Apr 15, 2012
having different back up option for the database(access)option such as "save to USB" and "save to external HD"
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Aug 7, 2011
I can already capture packets however is it possible to edit the packet and then send it off? Suppose I had a udp pakcet that said "11-mydata", I want to change it to "11-newdata" then send it off. I know which packets will be accepted and which ones will be modified and sent. So is this possible?
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Oct 9, 2010
I just update my software and begin to use the vs2010.I want to when my users use my program,if they haven't installed the net framework4.0 or they installed the old net framework version,my install program can auto-install the net framework.
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May 2, 2012
Working with my friend on a Minecraft casino program. I want the program to send a packet of data to the server. He can make the plugin to capture the data in java but how do I make my end of it to make it send the data to the server? Do I need to make a class with the data to send the data?
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May 3, 2012
Shell("explorer Path")Path is DirectoryBut it Open My DocumentPath is D:/I think It because The syntax "explorer Path" i try a lot like shell("explorer" path),shell(explorer path) , shell(""explorer" path") but it always open My Document
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Jun 17, 2011
Now, I have a executable build in vb .net with MySQL.Data.dll (library to allow connection to my remote database) that checks for data in a databaseNow then, when using a packet sniffer tool, I can see all my detailsHow can I prevent thisAlso, as a security measure, I have tried obfuscating the connection string in the exe, but that is only on the code part so I'm sure is not enough as I've seen my string in Wireshark
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Feb 2, 2011
I have a packet that I need to send to a client with an ID of 255. I've had no problems sending packets with IDs of 0, 1, and 2. The ID has to be 255. For some reason, after the translation has happened, both me with my server, and the client, get "63" for any Id greater than 127.
This is the code I am using:
Console.WriteLine(Asc(System.Text.ASCIIEncoding.ASCII.GetString(System.Text.ASCIIEncoding.ASCII.GetBytes(Chr("255")))))
Now, This is an overly complicated version of what the server does. You may consider this a bit unnecessary but the inverse functions performed are for your viewing reasons only.
Where it says "255" is the Packet Id I need sent in the format above. As I said, anything larger than 127 returns "63".
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Apr 9, 2012
I want ask how i can send hex packet to server
i am able to connect IP and port
in packet the data i send is.3..the hex code of data is 00 33 00 07 00 00 04 0F 95 13 00 00 00 here we can see that for 3 hex 33 is used and for char "." 00 07 13 and many others are used and for its 0F used [code]...
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Nov 10, 2011
I have a space ship that I want to turn to a destination angle. Currently it works like 90% of the time, but sometimes, it 'jumps' to the destination angle rather than moving smoothly. Here is my code:
a = System.Math.Sin(.destStoppingAngle + System.Math.PI)
b = System.Math.Cos(.destStoppingAngle + System.Math.PI)
c = System.Math.Sin(.msngFacing)
d = System.Math.Cos(.msngFacing)
[Code]...
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Jun 8, 2009
I have simple udp client and server using UdpClient class in .net frame work 2.0. My Ip address is 192.168.5.20
and client ip address is 192.168.1.25 and we client pc and mine are on same network. When i tried to send udp packet from client to server exception occurs: "A socket operation was attempted to an unreachale host 192.168.5.20:10080..." But when i change my(server) IP address to "192.168.1.20" communication is fine.How i can solve this problem or,how i can send packets other than my domains ip addresses.
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Mar 7, 2012
basically I'm sending and receiving both images, strings and files over a client/server connection. I can easily use a protocol for string commands but I cannot distinguish between the incoming data [if data is image or whatever and then follow onward instructions].So how do I make a packet using Dim buffer as byte()?
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May 13, 2010
I have code which needs to be run 3 times with results written to different files each time. I have the following excerpt from the code:
[Code]...
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Apr 12, 2012
i want ask how i can send hex packet to server .i am able to connect IP and port [code] here we can see that for 3 hex 33 is used and for char "." 00 07 13 and many others are used and for its 0F used [code] it sends same Hex for each "." in packet but i want to send other values as there in original/so i want to create a byte to send from hex code/
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Nov 23, 2011
I want to copy some files from Source to Destination.Destination path will be the first part of source.If user dont have permissions at destination i need to throw an exception to the user at the end after completing the loop of all files.I have developed below code.
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
Dim source() As String = {"EP01_SC001.avi", "EP01_SC002.avi", "EP02_SC001.avi", "EP02_SC002.avi", "EP03_SC001.avi"}
Dim filesplit() As String
[code]....
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Feb 21, 2009
i have a program that sniffs for packets on a port going to a specific address on my lan and then sends an exact copy to the same address on another port, the problem is when i edit the port bytes in the TCP packet i have to regenerate the checksum, and thats where the problem comes in, everything i have researched on this just doesnt make sense to mei am looking for a function that will output the checksum and a little explanation on what i need to put in for it to come out right
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Jul 20, 2011
How am I able to send a data packet from my program, to an IP Address on a certain port (using Udp).
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