Browsing articles from "January, 2010"
Jan
21
2010

Cisco goes to space

Cisco Systems wants to put a router on every communications satellite. The networking giant has already sent the first one into space. The company announced that the router has successfully completed initial in-orbit tests, after being launched Nov. 23 aboard the Intelsat 14 communications satellite into geosynchronous orbit, 22,300 miles above the Earth. The move is one small step in a bold, new Cisco initiative dubbed Internet Routing in Space (IRIS), which company executives say extends the same Internet protocol-based (IP) technology used to build the World Wide Web into the heavens. The long-term goal, they say, is to route [...]

Jan
8
2010

How to use archive command to save configuration

In a large/critical network, it is fundamental backup the Cisco configuration for two reasons: Rollback configuration Restore configuration in case of a broken router There are two ways to backup: manually (using write command each time that you would save running configuration) or automatically (using software like Ciscoworks, HP OpenView, … ). In this tutorial, I would explain a different method to backup configuration: the archive command. Introduced into Cisco IOS Release 12.3(4)T, the archive command permits to save a copy of the current running configuration to different path: ftp, http, https, rcp, scp, tftp servers. Moreover the archive command has [...]

Jan
5
2010

Multiple Cisco WebEx WRF Player Vulnerabilities

The The Cisco Product Security Incident Response Team (PSIRT) has published one important vulnerability advisory:  Multiple Cisco WebEx WRF Player Vulnerabilities. Multiple buffer overflow vulnerabilities exist in the Cisco WebEx Recording Format (WRF) Player. In some cases, exploitation of the vulnerabilities could allow a remote attacker to execute arbitrary code on the system of a targeted user. The Cisco WebEx WRF Player is an application that is used to play back WebEx meeting recordings that have been recorded on the computer of an on-line meeting attendee. The WRF Player can be automatically installed when the user accesses a WRF file [...]