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Terminology Recap POTS Plain old telephone service, the basic analog phone line most folks have in their homes. Fax Facsimile, a method of sending a copy of a paper document over an analog telephone line. Modem Modulator/demodulator, a device that connects computer systems or fax machines by transmitting signals using analog [...] Asterisk’s sip.conf file, in /etc/asterisk, contains entries for each SIP endpoint or trunk that can communicate with the Asterisk SIP server agent. Each entry can have multiple allow and disallow keywords, which indicate what codecs are to be used for each peer. The following configuration sets up a group of LAN phones and [...] When you set up VoIP trunks from the Asterisk server to various providers, what you’re really doing is registering Asterisk as a VoIP client. To monitor the status of each trunk’s registration, use the sip show registry and iax2 show registry commands. Here’s a SIP trunk registration in progress: kartookpbx*CLI> sip show registry [...] SMM (System Management Mode) is the portion of the Intel processors that runs above the hypervisor. Researchers have found a way to exploit the Intel caching mechanisms to jump from the hypervisor at ring 0 up a level to SMM. The only way to detect the exploit is to disassemble the system and perform [...] Crackers latch onto year-old Windows token vuln Track this topic Print story Post comment Unpatched bug features in multi-stage attacks By John Leyden Posted in Security, 18th March 2009 20:25 GMT Hackers have created exploits against a long-standing, unpatched Windows “token kidnapping” vulnerability. The appearance of attacks follows a year after security researchers [...] The Windows Task Manager is the tool that comes up when we give the famous three-finger salute (Ctrl+Alt+Del) to end a troublesome process or application. In the old days, it used to reboot the computer but in modern Windows system it brings up a more useful Task Manager. The task manager allows us to [...] Great Aussie firewall claims first victim Forum threatened with fine for link to banned site By John Oates Posted in Government, 17th March 2009 09:30 GMT The great Australian Firewall might be struggling to make political progress, but regulators are already using its blacklist to threaten local websites with fines. Broadband discussion forum Whirlpool [...] Microsoft throws Silverlight 3 beta at Adobe Plugs gaps, and then some By Gavin Clarke in Las Vegas Posted in Developer, 18th March 2009 18:52 GMT Mix 09 Microsoft’s opened a new front in its battle with Adobe Systems, releasing beta code for Silverlight 3 that plugs fundamental gaps in its media player and [...] Crackers latch onto year-old Windows token vuln Track this topic Print story Post comment Unpatched bug features in multi-stage attacks By John Leyden Posted in Security, 18th March 2009 20:25 GMT Hackers have created exploits against a long-standing, unpatched Windows “token kidnapping” vulnerability. The appearance of attacks follows a year after security researchers [...] New DNS trojan taints entire LAN from single box One ‘sploit pwns all By Dan Goodin in San Francisco Posted in Security, 16th March 2009 22:43 GMT Internet security experts are warning of a new rash of malware attacks that can hijack the security settings of a wide variety of devices on a local [...] |
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