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[Slackit.org] 2 domande sulla sicurezza
From: |
Paolo Marzo |
Subject: |
[Slackit.org] 2 domande sulla sicurezza |
Date: |
Wed, 11 May 2005 01:02:48 +0000 |
Linux Slack10 2.4.26 su workstation casalinga
Ciao a tutti,
Due domande:
Durante le connessioni (dial-up) generalmente ogni tanto controllo
i log del sistema. Non ho grandi nozioni circa sicurezza e l'altro giorno
in /var/log/messages ho trovato questo:
May 8 17:10:36 Slack10 chat[995]: CONNECT
May 8 17:10:36 Slack10 chat[995]: -- got it
May 8 17:10:36 Slack10 pppd[992]: Serial connection established.
May 8 17:10:36 Slack10 pppd[992]: Using interface ppp0
May 8 17:10:36 Slack10 pppd[992]: Connect: ppp0 <--> /dev/ttyS0
May 8 17:10:41 Slack10 pppd[992]: PAP authentication succeeded
May 8 17:10:41 Slack10 kernel: PPP BSD Compression module registered
May 8 17:10:41 Slack10 kernel: PPP Deflate Compression module registered
May 8 17:10:41 Slack10 pppd[992]: local IP address 62.98.205.47
May 8 17:10:41 Slack10 pppd[992]: remote IP address 151.6.146.44
May 8 17:22:49 Slack10 -- MARK --
May 8 17:29:16 Slack10 sshd[1110]: Illegal user test from 211.111.166.91
May 8 17:29:16 Slack10 sshd[1110]: Failed password for illegal user test from
211.111.166.91 port 45311 ssh2
May 8 17:29:20 Slack10 sshd[1112]: Illegal user guest from 211.111.166.91
May 8 17:29:20 Slack10 sshd[1112]: Failed password for illegal user guest from
211.111.166.91 port 45316 ssh2
May 8 17:29:30 Slack10 sshd[1115]: Illegal user admin from 211.111.166.91
May 8 17:29:30 Slack10 sshd[1115]: Failed password for illegal user admin from
211.111.166.91 port 45321 ssh2
May 8 17:29:39 Slack10 sshd[1117]: Illegal user admin from 211.111.166.91
May 8 17:29:39 Slack10 sshd[1117]: Failed password for illegal user admin from
211.111.166.91 port 45330 ssh2
May 8 17:42:49 Slack10 -- MARK --
May 8 17:55:36 Slack10 pppd[992]: Terminating on signal 2.
May 8 17:55:36 Slack10 pppd[992]: Connection terminated.
May 8 17:55:36 Slack10 pppd[992]: Connect time 45.0 minutes.
May 8 17:55:36 Slack10 pppd[992]: Sent 699507 bytes, received 4754300 bytes.
May 8 17:55:37 Slack10 pppd[992]: Connect time 45.0 minutes.
May 8 17:55:37 Slack10 pppd[992]: Sent 699507 bytes, received 4754300 bytes.
May 8 17:55:37 Slack10 pppd[992]: Exit.
Che ne pensate?
Seconda domanda:
Con le connessioni che si ottengono collegando direttamente la scheda di rete
al server (IP statico?) quali accorgimenti è utile adottare in fatto si
sicurezza?.
C'è documentazione specifica da leggere?
Grazie
Paolo
- [Slackit.org] 2 domande sulla sicurezza,
Paolo Marzo <=