As mentioned by Joe, Cisco has just announced a vulnerability that affects all versions of IOS, on any device, switches and routers. In the first instance, it is important to note that there are currently NO known exploitations of this vulnerability, and we are announcing it after building and preparing the appropriate fixes for all current platforms. Fixes have been made available regardless of whether your routers are under a maintentance support contract or not. The following URL also defines how to build Access-lists that can protect you from this vulnerability. http://www.cisco.com/warp/public/707/cisco-sa-20030717-blocked.shtml Do not panic, if you need more detail, feel free to give me a ring. If you can find an opportunity we would recommend an upgrade, but this is out of caution rather than need. Hope this helps to clarify the situation Arron Scott Cisco NZ *********************************************************************** Arron Scott (CCIE #4099) Phone: +64-9-3551951 Systems Engineer Mobile: +64-21-883163 Cisco New Zealand mailto:ascott(a)cisco.com http://www.cisco.com ***********************************************************************