Comments for Building The Net http://www.stuartsheldon.org/blog Open Source, The Universe & Everything... Wed, 03 Nov 2010 05:25:32 +0000 hourly 1 http://wordpress.org/?v=3.3 Comment on Setting Up Native IPv6 Connectivity, A Network Operators Overview. by Niau's blog » Blog Archive » IPv4to6 Migration, A Network Operators Overview http://www.stuartsheldon.org/blog/2010/07/setting-up-native-ipv6-connectivity-a-network-operators-overview/comment-page-1/#comment-24 Niau's blog » Blog Archive » IPv4to6 Migration, A Network Operators Overview Wed, 03 Nov 2010 05:25:32 +0000 http://www.stuartsheldon.org/blog/?p=780#comment-24 [...] You may checkout the whole post here [...] [...] You may checkout the whole post here [...]

]]> Comment on SIP Brute Force Attacks Escalate Over Halloween Weekend. by jerry http://www.stuartsheldon.org/blog/2010/11/sip-brute-force-attacks-escalate-over-halloween-weekend/comment-page-1/#comment-23 jerry Mon, 01 Nov 2010 21:55:44 +0000 http://www.stuartsheldon.org/blog/?p=941#comment-23 You should have "backtraced it" and "reported it to the cyber police and the state police" You should have “backtraced it” and “reported it to the cyber police and the state police”

]]> Comment on Setting Up Native IPv6 Connectivity, A Network Operators Overview. by davidnewman http://www.stuartsheldon.org/blog/2010/07/setting-up-native-ipv6-connectivity-a-network-operators-overview/comment-page-1/#comment-18 davidnewman Wed, 07 Jul 2010 22:07:48 +0000 http://www.stuartsheldon.org/blog/?p=780#comment-18 Nice survey! Very comprehensive. This sentence jumped out at me from the hardware section, in the switches discussion: "All of there current layer two products from these vendors support IPv6 for management." At least in my experience, this is only sorta-kinda true. I've seen many cases where a switch (or a router, firewall, VPN concentrator, IDS/IPS appliance) may support a bunch of management methods over IPv4 but only one or two methods over IPv6. For example, a box might do http, https, telnet, snmp, and ssh over v4 but then only telnet and ssh over v6. So the vendor claims management over v6 -- but only if you can use the subset of management methods they have today. And that's for enterprise-grade boxes; v6 management support is even sketchier on SoHo boxes. All of which is another reason to test before deployment! Nice survey! Very comprehensive.

This sentence jumped out at me from the hardware section, in the switches discussion:

“All of there current layer two products from these vendors support IPv6 for management.”

At least in my experience, this is only sorta-kinda true. I’ve seen many cases where a switch (or a router, firewall, VPN concentrator, IDS/IPS appliance) may support a bunch of management methods over IPv4 but only one or two methods over IPv6.

For example, a box might do http, https, telnet, snmp, and ssh over v4 but then only telnet and ssh over v6. So the vendor claims management over v6 — but only if you can use the subset of management methods they have today.

And that’s for enterprise-grade boxes; v6 management support is even sketchier on SoHo boxes.

All of which is another reason to test before deployment!

]]> Comment on SIP Brute Force Attack Originating From Amazon EC2 Hosts by SIP Attacks From Amazon EC2 Cloud Continue | VoIP Tech Chat http://www.stuartsheldon.org/blog/2010/04/sip-brute-force-attack-originating-from-amazon-ec2-hosts/comment-page-1/#comment-17 SIP Attacks From Amazon EC2 Cloud Continue | VoIP Tech Chat Sun, 16 May 2010 22:11:21 +0000 http://www.stuartsheldon.org/blog/?p=708#comment-17 [...] SIP Brute Force Attack Originating From Amazon EC2 Hosts (Building The Net) [...] [...] SIP Brute Force Attack Originating From Amazon EC2 Hosts (Building The Net) [...]

]]> Comment on SIP Brute Force Attack Originating From Amazon EC2 Hosts by Recent SIP Attacks from Amazon EC2 « Asterisk, and other worldly endeavours. http://www.stuartsheldon.org/blog/2010/04/sip-brute-force-attack-originating-from-amazon-ec2-hosts/comment-page-1/#comment-14 Recent SIP Attacks from Amazon EC2 « Asterisk, and other worldly endeavours. Tue, 13 Apr 2010 00:29:00 +0000 http://www.stuartsheldon.org/blog/?p=708#comment-14 [...] Recent SIP Attacks from Amazon EC2 [...] [...] Recent SIP Attacks from Amazon EC2 [...]

]]> Comment on SIP Brute Force Attack Originating From Amazon EC2 Hosts by iSnick Blog » Blog Archive » Clouds Are Turning Grey http://www.stuartsheldon.org/blog/2010/04/sip-brute-force-attack-originating-from-amazon-ec2-hosts/comment-page-1/#comment-13 iSnick Blog » Blog Archive » Clouds Are Turning Grey Mon, 12 Apr 2010 22:50:46 +0000 http://www.stuartsheldon.org/blog/?p=708#comment-13 [...] Attacks from Amazon servers Link 2 [...] [...] Attacks from Amazon servers Link 2 [...]

]]> Comment on A Microsoft Free Workplace in Six Months. Part 3 by paul http://www.stuartsheldon.org/blog/2010/03/a-microsoft-free-workplace-in-six-months-part-3/comment-page-1/#comment-12 paul Mon, 12 Apr 2010 19:19:00 +0000 http://www.stuartsheldon.org/blog/?p=706#comment-12 Really enjoyed reading your experience and strategies re this effort. If it resumes, please keep me posted. Really enjoyed reading your experience and strategies re this effort. If it resumes, please keep me posted.

]]> Comment on SIP Brute Force Attack Originating From Amazon EC2 Hosts by qxork http://www.stuartsheldon.org/blog/2010/04/sip-brute-force-attack-originating-from-amazon-ec2-hosts/comment-page-1/#comment-10 qxork Mon, 12 Apr 2010 12:29:13 +0000 http://www.stuartsheldon.org/blog/?p=708#comment-10 Ok... Received the response and it was as worthless as the one you received. I also attempted to fill out their form (with the requested info I had ALREADY sent them) and their form failed. Excellent. http://bit.ly/ec2sipattack Ok… Received the response and it was as worthless as the one you received. I also attempted to fill out their form (with the requested info I had ALREADY sent them) and their form failed. Excellent. http://bit.ly/ec2sipattack

]]> Comment on SIP Brute Force Attack Originating From Amazon EC2 Hosts by qxork http://www.stuartsheldon.org/blog/2010/04/sip-brute-force-attack-originating-from-amazon-ec2-hosts/comment-page-1/#comment-9 qxork Sun, 11 Apr 2010 22:14:51 +0000 http://www.stuartsheldon.org/blog/?p=708#comment-9 On a positive note, you got a response from them. I've gotten nothing -- no acknowledgement, response, or anything. May just end up blocking the entire ec2 cloud as well. On a positive note, you got a response from them. I’ve gotten nothing — no acknowledgement, response, or anything. May just end up blocking the entire ec2 cloud as well.

]]> Comment on SIP Brute Force Attack Originating From Amazon EC2 Hosts by Amazon EC2 SIP Brute Force Attacks on Rise | VoIP Tech Chat http://www.stuartsheldon.org/blog/2010/04/sip-brute-force-attack-originating-from-amazon-ec2-hosts/comment-page-1/#comment-8 Amazon EC2 SIP Brute Force Attacks on Rise | VoIP Tech Chat Sun, 11 Apr 2010 22:03:31 +0000 http://www.stuartsheldon.org/blog/?p=708#comment-8 [...] SIP Brute Force Attack Originating From Amazon EC2 Hosts (Building The Net) [...] [...] SIP Brute Force Attack Originating From Amazon EC2 Hosts (Building The Net) [...]

]]> Comment on Over One Thousand Dollars For Software Per Computer? by w6bi http://www.stuartsheldon.org/blog/2009/08/over-one-thousand-dollars-for-software-per-computer/comment-page-1/#comment-6 w6bi Fri, 28 Aug 2009 16:50:43 +0000 http://www.stuartsheldon.org/blog/?p=551#comment-6 Here's the numbers I came up with for a presentation I gave at CIPCUG recently: Computer - $580 which consists of: Hardware - $500 Operating System (Windows) - $80 <--- the OEM's "Windows Tax" Software MS Office 2007 - $409 Visio - $399 MS Project - $450 Photoshop - $630 ======================= Hardware: $500 Software: $1978! Yikes! 4x the cost of the hardware! Here’s the numbers I came up with for a presentation I gave at CIPCUG recently:

Computer – $580 which consists of:
Hardware – $500
Operating System (Windows) – $80 <— the OEM's "Windows Tax"

Software
MS Office 2007 – $409
Visio – $399
MS Project – $450
Photoshop – $630
=======================
Hardware: $500
Software: $1978! Yikes! 4x the cost of the hardware!

]]> Comment on Notes From My KVM (Kernel Virtual Machine) Talk. by charlesnw http://www.stuartsheldon.org/blog/2009/07/notes-from-my-kvm-kernel-virtual-machine-talk/comment-page-1/#comment-5 charlesnw Thu, 20 Aug 2009 18:23:10 +0000 http://www.actusa.net/~stu/blog/?p=263#comment-5 If you are running on a headless display, you might want to add -nographic to the end of the invocation. Also for windows guests I've found -alt-grab -usb -usbdevice tablet to work better for console access. If you are running on a headless display, you might want to add -nographic to the end of the invocation.

Also for windows guests I’ve found -alt-grab -usb -usbdevice tablet to work better for console access.

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