Ethical Hacking Learn to find vulnerabilities before the bad guys do! Gain real world hands on hacking experience in our state of the art hacking lab. Course designed and taught by expert instructors with years of penetration testing experience. 12 student maximum in every class. Certification attempt included in every package. | Computer Forensics Training at InfoSec Institute Gain the in-demand skills of a certified computer examiner, learn to recover trace data left behind by fraud, theft, and cybercrime perpetrators. Discover the source of computer crime and abuse at your organization so that it never happens again. All of our class sizes are guaranteed to be 12 students or less to facilitate one-on-one interaction with one of our expert instructors. |

| Subject: | Cisco 2600 Ports Responding... |
|---|---|
| Date: | Wed, 8 Sep 2004 13:02:56 -0700 (PDT) |
I have done the following nmap UDP scan of two of our Cisco routers that terminate our IPSec traffic. I am wondering if anyone can tell me why the ports with asterisks are responding: Starting nmap 3.55 ( http://www.insecure.org/nmap/ ) at 2004-09-08 10:42 EDT Interesting ports on x.x.x.x: (The 1472 ports scanned but not shown below are in state: closed) PORT STATE SERVICE 53/udp open domain * 67/udp open dhcpserver * 123/udp open ntp 161/udp open snmp 162/udp open snmptrap 177/udp open xdmcp * I am currently working to disable SNMP access from our WAN facing interfaces and after doing some initial discovery notcied these ports open as well. I am not running a DHCP server on either of these routers (nmap scans are identical). I am also not sure why XDMCP would be open at all on a router. Is this an error on nmaps part or are these ports actually open? Any help would be appreciated. Thanks, Mike. --------------------------------- Do you Yahoo!? Win 1 of 4,000 free domain names from Yahoo! Enter now.
| <Prev in Thread] | Current Thread | [Next in Thread> |
|---|---|---|
| ||
| Previous by Date: | Firewall Design - best approach, S Gantayet |
|---|---|
| Next by Date: | RE: PIX question..., Larry Pitcher |
| Previous by Thread: | Firewall Design - best approach, S Gantayet |
| Next by Thread: | Re: Cisco 2600 Ports Responding..., Chris Brenton |
| Indexes: | [Date] [Thread] [Top] [All Lists] |