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List all failed SSH attempts fancier.
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| #!/bin/sh | |
| if [[ $('uname') == 'Darwin' ]]; then | |
| echo "Last 3 failed attempts: " | |
| ssh-failed-attempts.sh | tac | head -n 3 | sed 's/^/ /' | |
| fi | |
| echo "Last 3 logins: " | |
| last | head -n 3 | sed 's/^/ /' |
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| #!/bin/sh | |
| cat /var/log/auth.log | grep 'sshd.*Invalid' | sed "s/$(hostname).*d\ user\ /\t/" | sed "s/from/\t/" | awk '{ printf "%-22s%-17s%s\n", $4, $5, " " $1 " " $2 " " $3}' | |
| # if using Fedora/Centos/RHEL replace `/var/log/auth.log` with `/var/log/secure` (thanks @jellyjellyrobot) |
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different for Centos/RHE/Fedora
cat /var/log/secure | grep 'sshd._Invalid' | sed "s/$(hostname)._d\ user\ /\t/" | sed "s/from/\t/"
http://www.unixmen.com/how-to-check-ssh-logs/