Troubleshooting RAS with Device and PPP logs

Two files can be used to troubleshoot RAS problems: device.log and ppp.log. These files need to be enabled in the registry. For device.log, set HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\RasMan\Parameters\Logging to 1. (default is 0) This will show you the communication between the server and the modem. For ppp.log, set HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\RasMan\PPP\Logging to 1. (default is 0) This will help you […]

LDAP / Palm OS integration

One problem we’ve always had here at NetAdminTools is the management of our various contacts databases. For the most part we use our Palm OS databases. The problem is that it is difficult to synchronize between various Palm OS databases. An even more nasty problem is that it is quite difficult under Linux to synchronize […]

Ports Used For Active Directory Authentication and Resource Access

We wondered just exactly what ports were being used by Active Directory and associated resource access. This can be monitored using TCPDump. If we run the following commands: [root@srv-34 root]# kinit administrator@SIGNALQINT.COM Password for administrator@SIGNALQINT.COM: [root@srv-34 root]# smbclient //10.50.100.36/public -k added interface ip=10.50.100.53 bcast=10.50.100.255 nmask=255.255.255.0 Doing spnego session setup (blob length=106) Doing kerberos session setup […]

Configuring Windows 2000 Telnet Service For Non-MS Clients

In this article we discussed how to install the telnet service on NT 4. Windows 2000 comes with a telnet service. Now, telnet is nasty, because it does not provide encryption like SSH does. One cool thing about telnet, though, is that it is great for testing layer 4 stuff. We will use this in […]

Using Network Load Balancing With Terminal Services

In this article we showed how to set up the Network Load Balancing service on Windows 2000 Advanced Server. In this article, we will show how to set up Terminal Services to use Network Load Balancing. One big limitation with running Terminal Services with network load balacing on Windows 2000 Advanced Server is that the […]

Importing Palm PDB files into SquirrelMail

In LDAP / Palm OS integration, we struggled with one of our favorite problems: integrating our Palm OS address database with email. Well, since then, we have been using SquirrelMail for most everything. We still do use our Palms as well. SquirrelMail can be configured to share the address book simply by creating a symbolic […]

Installing and Configuring SnipSnap

SnipSnap is a multi-purpose tool for collaborating. What attracts us to this particular Wiki implementation is the ease in which it deals with code snippets. It is also written in Java. For a couple awesome demos of how this can work in collaborative dev environments, see: expTaskDemo_v2 SnipSnap_Project_Demo Let’s install it and run it: u-1@srv-1 […]

Configuring Vsftpd

Vsftpd is claimed to be,”Probably the most secure and fastest FTP server for UNIX-like systems.” Well. That makes us want to look at it. What we need in this case, is for users with accounts on our system to have the ability to upload and download files without any other required client utilities; however, we […]

Windows Server Simple TCP/IP Services

Have you ever wondered just what the Simple TCP/IP Services did? Well, we did. On Windows Server 2003, you can add this service under Control Panel, Add or Remove programs, Windows Components, Networking Services: Here are the associated RFCs for the services: Quote of the Day Protocol Daytime Protocol Character Generator Protocol Echo Protocol Discard […]

Configuring Root Access for SSH

Most systems these days disable root access for good reasons. To change this setting, look in: /etc/ssh/sshd_config Of course, your location may be different. To enable root access change this line: PermitRootLogin yes To disable root access change this line: PermitRootLogin no For the changes to take effect, restart sshd: [root@srv-1 ssh]# /etc/init.d/sshd restart Stopping […]