Dear Linuxers,

  Saya kebetulan lagi ngebantuin client mindahin web server dan
  database server ke colocation yg baru. Ternyata web servernya ada
  masalah yaitu tidak pernah mulus saat melakukan koneksi menggunakan
  SSH2, kecuali dari database server yg selama ini terkoneksi dengan
  web server.
  Maksudnya tidak pernah mulus adalah saya harus login beberapa kali
  agar bisa konek ke server. Saya malah pernah harus login sampe 40x.

  Kalo dari log keluar message spt ini:
Feb 11 08:57:21 athena sshd[27797]: connection from "10.0.0.57"
Feb 11 08:57:21 athena sshd[31107]: DNS lookup failed for "10.0.0.57".
Feb 11 08:57:21 athena sshd[31107]: log: Generating 768 bit RSA key.
Feb 11 08:57:21 athena sshd[31107]: log: RSA key generation complete.
Feb 11 08:57:21 athena sshd[31107]: log: Connection from 10.0.0.57 port 4159
Feb 11 08:57:21 athena sshd[31107]: log: Could not reverse map address 10.0.0.57.
Feb 11 08:57:21 athena sshd[31107]: log: Password authentication for it-support 
accepted.
Feb 11 08:57:21 athena sshd[31107]: log: ROOT LOGIN as 'it-support' from 10.0.0.57
Feb 11 08:57:21 athena sshd[31107]: error: Strange, got SIGCHLD and wait returned
pid 31110 but child is 31111
Feb 11 08:57:22 athena sshd[31107]: log: Closing connection to 10.0.0.57
Feb 11 08:57:27 athena sshd[27797]: connection from "10.0.0.57"
Feb 11 08:57:27 athena sshd[31119]: DNS lookup failed for "10.0.0.57".
Feb 11 08:57:27 athena sshd[31119]: log: Generating 768 bit RSA key.
Feb 11 08:57:27 athena sshd[31119]: log: RSA key generation complete.
Feb 11 08:57:27 athena sshd[31119]: log: Connection from 10.0.0.57 port 4185
Feb 11 08:57:27 athena sshd[31119]: log: Could not reverse map address 10.0.0.57.
Feb 11 08:57:27 athena sshd[31119]: log: Password authentication for it-support 
accepted.
Feb 11 08:57:27 athena sshd[31119]: log: ROOT LOGIN as 'it-support' from 10.0.0.57
Feb 11 08:57:27 athena sshd[31119]: error: Strange, got SIGCHLD and wait returned
pid 31122 but child is 31123
Feb 11 08:57:27 athena sshd[31119]: log: Closing connection to 10.0.0.57
....

  Kalo SSH2 dari database server mulus2 aja alias saya bisa langsung konek ke
  web server padahal menggunakan user account yg sama.

  Setting sshd2_config standard aja dan saya coba remark semua tapi tetep
  gak ada pengaruhnya.

  Web server pake Linux Redhat 6.2:
  Linux Web Server 2.2.14-5.0 #1 Tue Mar 7 21:07:39 EST 2000 i686 unknown

  Please bantuin dong ada yg tau gak masalahnya dimana, soalnya urgent nih mau
  update data juga lewat SSH.


thanks & regards,
 ~n0e~

--
 ... just give me internet


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