The !X means you are administrativly blocked for udp packets you might try traceroute -I xxx.xxx.xxx.xxx to see if you are blocked for ICMP packets. Anyhow whoever admins the router before your connection has those ports blocked more than likely.
On Star Date Thursday 24 January 2002 03:50 am, FL sent this sub-space message. > Hi! > > I have just set up a 8.1 server. > Quite everything works fine but I have a routing problem. > > I can access the internet as a client. > I can ssh my box using a internal box > I can't acces my box using a external box. > > This is not an hosts.allow or deny problem, I have checked the files. > I have disable Iptables and bastille for test purpose. > > Here are the details : > > 1. I can ping x.x.111.50 from the outside > 2. I can't ssh, ftp or http, the services are active and running from > inside. > > 3. I can't traceroute : it stops before the server > > traceroute x.x.x.50, 30 hops max, 38 byte packets > 1 xxxxxxxxxxxxx 4.821 ms 10.177 ms 20.359 ms > [...] > 9 x.x.133.18 (193.107.133.18) 15.964 ms !X * 21.853 ms !X > > 4. NMAP resulst on the host x.x.x.50 > > For port 22 (nmap -vv -p22) > Port State Service > 22/tcp filtered ssh > > For port 21 (nmap -vv -p21) > Port State Service > 21/tcp filtered ftp > > For port 80 (nmap -vv -p80) > Port State Service > 80/tcp open http > > I can telnet this port but : > > Connected to [...] > Escape character is '^]'. > GET / > Connection closed by foreign host. > > > The net admin told me, everything is ok, and that it should be a internal > problem in my box... Any idea ? > > Thanks > > Francois
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