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Sun, Feb 25, 2007 6:14 pm

Enabling a TFTP Server on Solaris 10

I needed to configure a Solaris 10 system as a TFTP server. When I checked to see if the system was already functioning as a TFTP server, I found it was not.
# svcs | grep tftp

I removed the "#" from the following line in /etc/inetd.conf:

tftp    dgram   udp6    wait    root    /usr/sbin/in.tftpd      in.tftpd -s /tftpboot

I then ran inetdconv.

# inetconv
inetconv: Notice: Service manifest for 100235/1 already generated as /var/svc/manifest/network/rpc/100235_1-rpc_ticotsord.xml, skipped
inetconv: Notice: Service manifest for 100083/1 already generated as /var/svc/manifest/network/rpc/100083_1-rpc_tcp.xml, skipped
inetconv: Notice: Service manifest for 100068/2-5 already generated as /var/svc/manifest/network/rpc/100068_2-5-rpc_udp.xml, skipped
tftp -> /var/svc/manifest/network/tftp-udp6.xml
Importing tftp-udp6.xml ...Done

When I then checked to ensure the system was functioning as a TFTP server, I found it was functioning as one.

# netstat -a | grep tftp
      *.tftp                                Idle
      *.tftp                                                        Idle
# svcs | grep tftp
online         16:21:53 svc:/network/tftp/udp6:default
# netstat -a | grep tftp
      *.tftp                                Idle
      *.tftp                                                        Idle

You can disable the TFTP service with inetadm -d svc:/network/tftp/udp6 and re-enable it with inetadm -e svc:/network/tftp/udp6.

Create a /tftpboot directory where files can be placed to be downloaded by tftp clients.

# mkdir /tftpboot

For further information on the TFTP service, you can use the man command man tftpd.


  1. Enabling tftpd in Solaris 10
    By Lasse Østerild
    October 11, 2005

[/os/unix/solaris] permanent link

Thu, Feb 08, 2007 11:19 am

PayPal Phising Site at

Someone forwarded a phishing email message to me this morning that was an attempt to garner PayPal userids and passwords as well as personal information, including a credit card number from unsuspecting PayPal users.

The message attempted to trick PayPal users to going to a spoofed PayPal website to confirm the addition of an email address to a user's PayPal account. In reality, the link in the message would take the victim to, which would redirect him to There he would see a website mimicking the PayPal site where he would be prompted for his PayPal userid and password. If he entered a userid and password, he would see a form asking for personal information, including a credit card number.

I reported the spoofed site at 10:33 A.M. using PayPal's Contact Us - Protections/Privacy/Security - Report Fake Site/Spoof form. I also reported the site to the Phishing Incident Reporting and Termination (PIRT) Squad at 10:48 A.M. At 11:15 A.M. the webpage to which the link pointed, was removed from the webserver on which it resided, resulting in a "HTTP 404 - File not found" message, but the spoofed PayPal site at was still accessible.

[/security/scams/phishing/paypal] permanent link

Tue, Feb 06, 2007 11:57 pm

Wake On LAN using mc-wol

I needed to share an Outlook user's calendar with someone else in her office. I had expected to be able to remotely log into her system to configure Outlook to share her calendar. But when I attempted to log into her system at 9:30 P.M., I found it was inaccessible. I then remembered that she always turns her system off when she leaves. I didn't want to spend 1/2 driving to her office to make a change I could complete in less than 10 minutes and then have to spend another 1/2 hour driving back home.

Fortunately, I had selected the option to have Dell preconfigure the system for Wake On Lan (WOL) support in the BIOS when her company purchased the system. Wake On Lan support allows one to restart a computer that has been shut down by sending a "Magic Packet" to the Media Access Control (MAC) address of the network card in a computer to "wakeup" the computer, i.e. power on and boot up the computer.

This can occur when the system is still providing power to the Ethernet controller in the system. Most modern computers with a network connection provided through the motherboard support this functionality. The functionality is also present in motherboards that support the PCI 2.2 standard when a PCI 2.2 network adapter is used. In other cases, when WOL support is provided through the motherboard, the motherboard must have a WAKEUP-LINK header onboard and connected to the network card via a special 3-pin cable. Wake on LAN must also be enabled in the Power Management section of the systems's BIOS. It may also be necessary to configure the computer to reserve power for the network card when the system is shut down.

To wake a shut down system, you need a program that can send the Magic Packet to the MAC address of the target system. You also need to know the MAC address of the target system. In this case I use Norton Ghost to backup the systems on the LAN and Norton Ghost provided me with the MAC address.

There are quite a few free programs that provide WOL capabilities. You can find many listed in the Wikipedia Wake-on-Lan article on the topic. I used the free utility provided by MATCODE at

To use the MATCODe WOL utility, mc-wol.exe, you simply download the utility and then run it with mc-wol <MAC Address>, e.g. as shown below.

C:\Program Files\Network\WOL>mc-wol 00:13:72:3B:4A:B6

WakeOnLAN v1.0 Copyright (c)2001, MATCODE Software.
Author: Vitaly Evseenko,
Sending "Magic Packet" to 00:13:72:3b:4a:b6 - Success!

Once I ran the program, I was able to ping the IP address of the target system shortly afterwards to verify the system was back up.

If you need to obtain the MAC address of a system you can ping it and then look in the ARP table on the system from which you ran the ping, with arp -a to find the relevant entry. Or you can use the MATCODE, MCGETMAC.EXE utility available from the same URL as the MC-WOL.EXE utility or from the links listed below.

C:\Program Files\Network\WOL>mcgetmac

Get MAC v1.0 Copyright (c)2001, MATCODE Software.
Author: Vitaly Evseenko,

IP address:
Ethernet MAC address: 00:13:72:3B:4A:B6

Press any key ...


  1. Wake-On-Lan
  2. Wake-on-LAN
  3. MAC address
  4. Conventional PCI 2.2

[/network/wol] permanent link

Sun, Feb 04, 2007 8:04 pm

Vi Reference

I found a useful vi reference page at, which I have copied here. The page was created by Maarten Litmaath and is maintained by James Hu. I found it a useful reference for substitution patterns, though it also has a lot of other vi information.

If you want to replace "Life's but a walking" with "Life's but a walking shadow" you can use :s/Life's but a walking/& shadow/. The ampersand, in the pattern to be substituted in place of the prior one, references the previously found match.

[/software/editors/vi] permanent link

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