Author: Robert Hyatt
Date: 12:34:59 02/12/03
Go up one level in this thread
On February 12, 2003 at 15:08:17, Paul J. Messmer wrote: >On February 12, 2003 at 11:13:35, Robert Hyatt wrote: > >>add the -n option. The DNS lookups will time-out for some of deltacom's >>routers. >>They are not all registerd in the national DNS database. > >Doesn't appear to matter. The traceroute still won't make it past 207.230.79.2 >(see below). > >I wonder if your ftp server is configured to do a reverse lookup on the >connecting client IP address for logging purposes or something, and if unable it >doesn't work. That might explain why some people see the problem and not >others? Some people originate behind NAT from private subnets (like me). No it isn't. It actually tries, but if it fails, it does not quit... > >I tried using ssh, for example, and get far enough that it would seem like I am >reaching the machine? telnet connections are refused immediately, which seems >like a good sign. ftp still hangs until it times out. Maybe it's a problem >with the ftp server configuration and reverse lookups? all we allow on that box is ssh and ftp, no telnet, rsh, rlogin, etc... > >[Cube:~] pmessmer% ssh -l hyatt ftp.cis.uab.edu >The authenticity of host 'ftp.cis.uab.edu (138.26.64.2)' can't be established. >RSA key fingerprint is 5c:0f:21:f9:b6:74:0e:5f:e0:ce:c4:58:33:aa:c5:ae. >Are you sure you want to continue connecting (yes/no)? yes >Warning: Permanently added 'ftp.cis.uab.edu,138.26.64.2' (RSA) to the list of >known hosts. >hyatt@ftp.cis.uab.edu's password: ^C > >[Cube:~] pmessmer% telnet ftp.cis.uab.edu >Trying 138.26.64.2... >telnet: connect to address 138.26.64.2: Connection refused >telnet: Unable to connect to remote host >[Cube:~] pmessmer% ftp ftp.cis.uab.edu >Connected to juniper.cis.uab.edu. > >421 Service not available, remote server timed out. Connection closed >ftp> quit >[Cube:~] pmessmer% traceroute -n ftp.cis.uab.edu >traceroute to juniper.cis.uab.edu (138.26.64.2), 30 hops max, 40 byte packets > 1 192.168.1.1 2.705 ms 2.28 ms 2.283 ms > 2 216.231.61.1 12.324 ms 11.401 ms 41.245 ms > 3 206.191.168.200 23.142 ms 13.973 ms 11.47 ms > 4 206.191.168.220 12.067 ms 12.903 ms 13.101 ms > 5 206.253.192.129 13.02 ms 38.346 ms 14.328 ms > 6 144.228.94.117 14.84 ms 12.959 ms 12.337 ms > 7 144.232.6.125 12.131 ms 14.996 ms 37.048 ms > 8 209.0.227.133 18.901 ms 14.329 ms 14.592 ms > 9 209.247.8.162 14.45 ms 12.328 ms 40.556 ms >10 64.159.1.165 11.992 ms 12.637 ms 12.79 ms >11 64.159.1.46 87.591 ms 71.457 ms 69.447 ms >12 64.159.3.10 80.215 ms 70.828 ms 71.369 ms >13 63.210.88.170 79.357 ms 70.992 ms 73.719 ms >14 66.35.174.13 79.249 ms 73.418 ms 75.871 ms >15 209.16.225.162 80.086 ms 75.744 ms 73.885 ms >16 207.230.79.2 78.719 ms 75.172 ms 77.121 ms >17 * * * >18 * * * >19 * * * >20 * * * >21 * * * >22 * * * >23 * * * >24 * * * >25 * * * >26 * * * >27 * * * >28 * * * >29 * * * >30 * * * I'll try to investigate further as somewhere between you and me, something is going wrong.
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