From silva, 3 Months ago, written in Plain Text.
This paste is a reply to Telnet from silva - view diff
  1. I'm having this error when I try to test the connection to the port 1521 in another server.
  2.  
  3.  
  4.  
  5. telnet other_server 1521
  6. Trying other_server ...
  7. telnet: connect to address other_server: No route to host
  8.  
  9.  
  10.  
  11. Both firewallds are down
  12.  
  13.  
  14. service firewalld status
  15. Redirecting to /bin/systemctl status firewalld.service
  16. ● firewalld.service - firewalld - dynamic firewall daemon
  17.    Loaded: loaded (/usr/lib/systemd/system/firewalld.service; disabled; vendor preset: enabled)
  18.    Active: inactive (dead)
  19.      Docs: man:firewalld(1)
  20.  
  21.  
  22. The port is Listening:
  23.  
  24.  
  25. netstat -anp | grep 1521
  26. (Not all processes could be identified, non-owned process info
  27.  will not be shown, you would have to be root to see it all.)
  28. tcp        0      0 0.0.0.0:1521            0.0.0.0:*               LISTEN      14487/tnslsnr
  29. tcp        0      0 172.16.207.6:1521       172.16.207.6:10512      ESTABLISHED 14487/tnslsnr
  30. tcp        0      0 172.16.207.6:10512      172.16.207.6:1521       ESTABLISHED 5865/ora_pmon_prote
  31. Also, PING and SSH worked fine, is the port 1521 that is not responding.
  32.  
  33. MTR test on port 1521
  34. mtr --port 1521 siroco.akainix.local
  35.  
  36.                                                              My traceroute  [v0.85]
  37. lebeche.akainix.local (0.0.0.0)                                                                                          Wed Jan 16 10:53:01 2019
  38. Keys:  Help   Display mode   Restart statistics   Order of fields   quit
  39.                                                                                                          Packets               Pings
  40.  Host                                                                                                  Loss%   Snt   Last   Avg  Best  Wrst StDev
  41.  1. siroco.akainix.local                                                                                0.0%    16    0.2   0.3   0.2   0.3   0.0
  42.  
  43.  
  44. traceroute test:
  45.  
  46. traceroute -p 1521 siroco.akainix.local
  47. traceroute to siroco.akainix.local (172.16.207.6), 30 hops max, 60 byte packets
  48.  1  siroco.akainix.local (172.16.207.6)  0.201 ms !X  0.178 ms !X  0.160 ms !X
  49.  
  50.  
  51.  
  52. What else could be?
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