Re: nmapping intermediate nodes
Steve Glines <[email protected]>
| Newsgroups | gmane.org.operators.internet-access |
|---|---|
| Message-ID | <[email protected]> |
I answered my own question. Traceroute -p only works for udp packets but tcptraceroute (only the latest 1.5 beta compiles cleanly) works like a charm. It was my IPCOP firewall with snort turned on that blackballed my won server. :) Cheers SG Kevin Kargel wrote: > try a traceroute -p .. I believe that is still supported in most > distro's.. > > Kevin > > >> -----Original Message----- >> From: [email protected] >> [mailto:[email protected]] On Behalf Of Steve Glines >> Sent: Tuesday, September 04, 2007 2:02 PM >> To: [email protected] >> Subject: nmapping intermediate nodes >> >> I've run into a strange problem. I have 2 systems that need >> to communicate with each other via email. System A has no >> problem talking to system B but System B cannot set up a >> connection with system A. So far I've sent mail from B to A >> via C but it's a major annoyance. I'd like to use B as an >> alternative MX for A but as long as they can't talk directly >> it's a pain. >> >> Here's the thing: >> I can do an nmap of B from A in about 5 seconds - perfect results. >> nmap from B to A just hangs. I can ssh between the two however. >> >> So my question is how can I find out who along the route is >> blocking me? >> >> Thanks in advance >> -- >> Steve Glines >> voice: 978-633-3460 www.is-cs.com >> fax: 270-638-1404 145 Foster Street >> cell: 617-549-7274 Littleton MA 01460 >> >> I'm a complex person. I have a real and an imaginary part. >> _______________________________________________ >> "Eat sushi frequently". - Avi >> [email protected] is the human contact address. >> [email protected] is the list posting address. >> See below URL for subscribe/unsubscribe and list options: >> http://inet-access.net/mailman/listinfo/list >> > _______________________________________________ > "Eat sushi frequently". - Avi > [email protected] is the human contact address. > [email protected] is the list posting address. > See below URL for subscribe/unsubscribe and list options: > http://inet-access.net/mailman/listinfo/list -- Steve Glines voice: 978-633-3460 www.is-cs.com fax: 270-638-1404 145 Foster Street cell: 617-549-7274 Littleton MA 01460 I'm a complex person. I have a real and an imaginary part. _______________________________________________ "Eat sushi frequently". - Avi [email protected] is the human contact address. [email protected] is the list posting address. See below URL for subscribe/unsubscribe and list options: http://inet-access.net/mailman/listinfo/list