Future Blogs will be placed on my new blog site located here.
Recently in ResComp Category
Today I came into work and found that my overnight processes from Oracle had not ran. After testing I came to the conclusion that Oracle as well as the server these processes communicated with could not see the file system. Mike was able to determine a job had failed over night but the Oracle database looked to be running fine with no errors. This help me confirm it was an issue with the location of our exports and imports. I contacted Dave and he was aware that a data storage location had been moved from one server to another and was able to provide me with the new location. He also fixed the location path on the UNIX end to point to the new location. After I made my changes the Oracle jobs ran with out a hitch...
DHCPLOC.EXE is the scanner we used to detect a rouge DHCP server on the 72 VLAN. The computer running the scan has to be on the same VLAN as the rouge DHCP server
Install the Support Tools on a computer that is on the VLAN you wish to scan.
Open a Command prompt window and type the command:
dhcploc.exe /p /a /i 192.168.x.x (this is the IP of the computer running the scanner)
This will output the DHCP requests into the window. If you want to put the output into a file you can do this "dhcploc.exe /p /a /i 192.168.x.x > dhcp.txt"
The general output will look like this (no rogue DHCP server):
16:49:33 OFFER (IP)192.168.75.232 (S)192.168.1.23 (S1)192.168.72.1 ***
16:49:37 OFFER (IP)192.168.75.23 (S)192.168.1.23 (S1)192.168.72.1 ***
16:49:43 OFFER (IP)192.168.75.252 (S)192.168.1.23 (S1)192.168.72.1 ***
the (S) is the DHCP server IP, This will show up as the IP of the DHCP server when a Client does a IPCONFIG /ALL from a command prompt.
the (S1) is the IP of the Ethernet connection from where the request is coming from, in general this is the IP of the rouge box.
Here is output with a rouge DHCP server running.
23:05:03 ACK (IP)192.168.72.248 (S)192.168.1.23 (S1)192.168.72.1 ***
23:05:24 ACK (IP)192.168.74.214 (S)192.168.1.23 (S1)192.168.72.1 ***
23:05:50 OFFER (IP)192.168.72.183 (S)192.168.1.23 (S1)192.168.72.1 ***
23:05:50 ACK (IP)192.168.72.183 (S)192.168.1.23 (S1)192.168.72.1 ***
23:07:26 ACK (IP)192.168.72.248 (S)192.168.1.23 (S1)192.168.72.1 ***
23:08:59 OFFER (IP)192.168.75.176 (S)192.168.1.23 (S1)192.168.72.1 ***
23:08:59 ACK (IP)192.168.75.176 (S)192.168.1.23 (S1)192.168.72.1 ***
23:09:36 ACK (IP)192.168.72.194 (S)192.168.72.1 (S1)192.168.75.176 ***
23:09:36 OFFER (IP)192.168.72.31 (S)192.168.72.1 (S1)192.168.75.176 ***
23:09:36 ACK (IP)192.168.72.31 (S)192.168.72.1 (S1)192.168.75.176 ***
23:09:36 ACK (IP)192.168.72.31 (S)192.168.1.23 (S1)192.168.72.1 ***
23:09:37 OFFER (IP)192.168.73.23 (S)192.168.1.23 (S1)192.168.72.1 ***
23:10:37 ACK (IP)192.168.75.164 (S)192.168.72.1 (S1)192.168.75.176 ***
23:10:48 ACK (IP)192.168.75.164 (S)192.168.72.1 (S1)192.168.75.176 ***
23:11:16 ACK (IP)192.168.75.197 (S)192.168.72.1 (S1)192.168.75.176 ***
23:11:36 ACK (IP)192.168.72.194 (S)192.168.72.1 (S1)192.168.75.176 ***
From this output we can see that there are two DHCP servers with two different sets of IP's. Knowing that 192.168.1.23 is our DHCP server we can deduce that the rouge server is 192.168.75.176.
Re-Contracting for Fall 2009 has started.
- Info night - March 31st and April 1st
- Squaters- April 6th ~ April 10th
- Displaced- April 13th
- Movers- April 14th ~April 21st
The 2009 Governor's Food Drive is underway, and the Office of University Residents is running an auction to help support this effort. All items are donated and proceeds go to the food drive fund. Bidders must have WOU login credentials.
Students at WOU are given the opportunity to register one network device free of charge. This can be a computer, gaming device, or any other networked device. If students want a second device they are charged a $36 fee by the Telecommunications department. Forms for registering gaming devices are located in the Landers Commuter Lab.
Today we launched the new web site for Housing and Dinning, RHA, and NRHH. It was a great effort to get this done with all the other projects that keep springing up. This was a collaborative effort, and I would like to think Michael Ellis and Ann Barton-Brown for all their hard work. The site looks nice and even more importantly if is much more functional.
