Is the server under attack? How can this problem be solved .....)
Source: Internet
Author: User
Is the server under attack? How can this problem be solved (Urgent...) -- Linux Enterprise Application-Linux server application information? The following is a detailed description. # Cat/var/log/message (if the following log is displayed, is there any solution? Thank you ....)
Aug 14 10:02:01 www crond (pam_unix) [16763]: session opened for user root by (uid = 0)
Aug 14 10:02:05 www crond (pam_unix) [16762]: session closed for user root
Aug 14 10:02:05 www crond (pam_unix) [16764]: session closed for user root
Aug 14 10:02:11 www crond (pam_unix) [16763]: session closed for user root
Aug 14 10:02:39 www sshd (pam_unix) [16817]: session opened for user root by root (uid = 0)
Aug 14 10:03:01 www crond (pam_unix) [16851]: session opened for user root by (uid = 0)
Aug 14 10:03:01 www crond (pam_unix) [16850]: session opened for user root by (uid = 0)
Aug 14 10:03:11 www crond (pam_unix) [16851]: session closed for user root
Aug 14 10:03:14 www crond (pam_unix) [16850]: session closed for user root
Aug 14 10:04:02 www crond (pam_unix) [16914]: session opened for user root by (uid = 0)
Aug 14 10:04:02 www crond (pam_unix) [16913]: session opened for user root by (uid = 0)
Aug 14 10:04:02 www crond (pam_unix) [16912]: session opened for user root by (uid = 0)
Aug 14 10:04:06 www crond (pam_unix) [16912]: session closed for user root
Aug 14 10:04:06 www crond (pam_unix) [16914]: session closed for user root
Aug 14 10:04:11 www crond (pam_unix) [16913]: session closed for user root
Aug 14 10:04:40 www sshd (pam_unix) [16970]: session opened for user root by (uid = 0)
Aug 14 10:05:01 www crond (pam_unix) [17002]: session opened for user root by (uid = 0)
Aug 14 10:05:02 www crond (pam_unix) [17002]: session closed for user root
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