Posted on in IT Management
Company X is a fictional manufacturer of gourmet snacks and treats.
Studies have shown that a large number of Internet users are concerned about privacy and security. According to one study, 87 percent of Americans fear their credit card information will be stolen or misused. Additionally, 89 percent fear that …
Posted on in Software
As you may know, Firefox 2.0.0.12 was released today, and it's no surprise that The Camino Project has followed suit with Camino 1.5.5. The Camino browser is a Mozilla-based web browser designed to integrate smoothly with Mac OS X. It sports a more OS X-like …
Posted on in Networking
![Regret (photo by xymonau) [id: 523790]](https://slaptijack.com/images/wp-content/uploads/2008/01/regret_523790.jpg)
Oops! I guess I'm way behind the times.
For quite a while, I've been using ip verify unicast reverse-path to prevent packets with spoofed source addresses from crossing my routers. Apparently, as of IOS 12.0 (12.4 is current as of this writing), that command has been replaced with …
Posted on in Networking
If you are at all familiar with <acronym title="Simple Network Management Protocol">SNMP</acronym>, you've probably heard of "community strings". Community strings are similar to passwords. They define and grant access to a device's <acronym title="Management Information Base">MIB</acronym>. If you've used SNMP in conjuction with a …
Posted on in Software
Internet Systems Consortium, Inc., makers of the popular BIND <acronym title="Domain Name Service">DNS</acronym> server and INN Usenet server, has announced the End of Life for BIND 8 . I received an email from ISC on this topic earlier in the month, but I wasn't aware that the <acronym …
Posted on in Networking
This isn't late breaking information, but there's an interesting post in the Cisco WAN, Routing and Switching Forum regarding a particular regular expression that, when used in conjunction with the show ip bgp regexp, results in a router crash. Here is the full command.
show ip bgp regexp (.*)(_\1 …Posted on in Networking
One possible security risk on any Cisco-based network is the <acronym title="Virtual Terminal">VTY</acronym> lines of routers and switches. These lines are used for remote access (via telnet, by default) and are prime targets for remote brute force password attacks. There are a few simple steps you can …
Posted on in Networking
On most networks, there is a subset of IP addresses assigned to "management" hosts. These hosts might be the workstations of network administrators or monitoring servers. One of the keys to network security is restricting who has access to the device. Generally, we think of access restriction in terms of …
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