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</o:shapelayout></xml><![endif]--></head><body lang=ES link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span lang=EN-US>Hello list, I am new on this list. I start working on a IT department and I need to update and check the actual syslog system.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>We have more than 50 Ubuntu servers, locals and remotes, on each servers there is rsyslog installed and configured this way:<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>$ cat /etc/rsyslog.d/99-rsyslog.conf<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>auth.*,authpriv.* @logserver<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>kern.warn @logserver<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>kern.err @logserver<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>mail.* @logserver<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>There is server (logserver) with syslog-ng to manage and save all logs. It receive on UDP port without secure, this the source section on syslog-ng configuration:<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>source s_all {<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US> internal();<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US> unix-stream("/dev/log");<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US> file("/proc/kmsg" log_prefix("kernel: "));<o:p></o:p></span></p><p class=MsoNormal>};<o:p></o:p></p><p class=MsoNormal>source logs_externs{<o:p></o:p></p><p class=MsoNormal> <span lang=EN-US>udp();<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>};<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>I have some questions about how to secure it:<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoListParagraph style='text-indent:-18.0pt;mso-list:l0 level1 lfo1'><![if !supportLists]><span lang=EN-US><span style='mso-list:Ignore'>1.<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]><span lang=EN-US>How can I secure the logs on the net? I must use TCP to secure?<o:p></o:p></span></p><p class=MsoListParagraph style='text-indent:-18.0pt;mso-list:l0 level1 lfo1'><![if !supportLists]><span lang=EN-US><span style='mso-list:Ignore'>2.<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]><span lang=EN-US>I have lot of data (5-10GB at week) to store, which is the best method to manage it? Logrotate? Scripts? I want to move logs to NAS monthly.<o:p></o:p></span></p><p class=MsoListParagraph style='text-indent:-18.0pt;mso-list:l0 level1 lfo1'><![if !supportLists]><span lang=EN-US><span style='mso-list:Ignore'>3.<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]><span lang=EN-US>Is it a good idea to make files for each host and services? Something like: /var/log/host1/auth.log, /var/log/host2/auth.log, /var/log/host1/mail.log, /var/log/host2/mail.log<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>These are my newby questions, thanks for all your help and best regards.<o:p></o:p></span></p></div></body></html>