From: lesen@wimezu.com   
      
   Marco Moock writes:   
      
   > On 18.10.2024 um 15:03 Uhr Lesley Esen wrote:   
   >   
   >> %sudo tcptraceroute -n -p 25 srv1.dorfdsl.de   
   >> Selected device ena0, address 172.26.5.226, port 25 for outgoing   
   >> packets Tracing the path to srv1.dorfdsl.de (82.139.196.13) on TCP   
   >> port 80 (http), 30 hops max   
   >   
   > This traceroute implementation uses -p for the source port.   
   > Dest is 80, so you check the wrong thing. Look at the manpage (I don't   
   > have FreeBSD here) for the destination port to set.   
      
   Thanks. That makes sense. The output now makes sense. Completely   
   blocked right from the first hop. Perhaps AWS did not actually unblock   
   outbound tcp 25; perhaps they unblocked only inbound tcp 25.   
      
   %tcptraceroute -n srv1.dorfdsl.de 25   
   Selected device ena0, address 172.26.5.226, port 22831 for outgoing packets   
   Tracing the path to srv1.dorfdsl.de (82.139.196.13) on TCP port 25 (smtp), 30   
   hops max   
    1 * * *   
    2 * * *   
    3 * * *   
    4 * * *   
    5 * * *   
    6 * * *   
    7 * * *   
    8 * * *   
    9 * * *   
   10 * * *   
   11 * * *   
   12 * * *   
   13 * * *   
   14 * * *   
   15 * * *   
   16 * * *   
   17 * * *   
   18 * * *   
   19 * * *   
   20 * * *   
   21 * * *   
   22 * * *   
   23 * * *   
   24 * * *   
   25 * * *   
   26 * * *   
   27 * * *   
   28 * * *   
   29 * * *   
   30 * * *   
   Destination not reached   
   %   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)   
|