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сервис_tcpwrap [2012/06/27 13:30] val |
сервис_tcpwrap [2022/01/22 15:44] val [Конфигурация в режиме "все запрещено, кроме"] |
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====== Сервис Tcpwrap ====== | ====== Сервис Tcpwrap ====== | ||
- | [[http://ubuntu-tutorials.com/2007/09/02/network-security-with-tcpwrappers-hostsallow-and-hostsdeny/]] | + | ===== Проверка поддержки программой библиотеки libwrap ===== |
<code> | <code> | ||
- | gate# ldd /usr/sbin/sshd | grep wrap | + | # ldd /usr/sbin/sshd | grep wrap |
+ | </code> | ||
- | gate# cat /etc/hosts.allow | + | ===== Конфигурация в режиме "все запрещено, кроме" ===== |
+ | |||
+ | * [[http://ubuntu-tutorials.com/2007/09/02/network-security-with-tcpwrappers-hostsallow-and-hostsdeny/|Network Security with tcpwrappers (hosts.allow and hosts.deny)]] | ||
+ | |||
+ | <code> | ||
+ | # cat /etc/hosts.allow | ||
</code><code> | </code><code> | ||
- | ALL: 127.0. | + | ALL: 127.0.0.0/8 |
- | sshd: 192.168.X.10 | + | # sshd: 192.168.X.10 |
+ | # sshd: 192.168.X.0/24 192.168.100+X.0/24 | ||
+ | </code><code> | ||
+ | # cat /etc/hosts.deny | ||
+ | </code><code> | ||
+ | sshd:ALL | ||
+ | </code><code> | ||
+ | # tail -f /var/log/auth.log | ||
+ | </code> | ||
+ | ===== Конфигурация в режиме "все разрешено, кроме" ===== | ||
+ | <code> | ||
+ | # :> /etc/hosts.allow | ||
</code><code> | </code><code> | ||
- | gate# cat /etc/hosts.deny | + | # cat /etc/hosts.deny |
</code><code> | </code><code> | ||
- | ALL:ALL | + | ALL: 172.16.1.249 |
</code> | </code> |