Настройка кэширующего DNS в Ubuntu |
![]() |
Автор: Administrator |
27.05.10 15:45 |
Настройка кэширующего DNS в Ubuntu
Для начала скачаем и установим сам bind: sudo apt-get install bind9
sudo /etc/init.d/bind9 stop
sudo vim /etc/resolv.conf
domain mydomen.com
search com #nameserver 192.168.0.100 #nameserver 192.168.0.99 #nameserver 11.12.13.14 nameserver 127.0.0.1
sudo vim /etc/bind/named.conf.options
options {
directory "/var/cache/bind"; forward first; forwarders { 192.168.0.100; 11.12.13.14; 192.168.0.99; }; // If there is a firewall between you and nameservers you want // to talk to, you may need to fix the firewall to allow multiple // ports to talk. See http://www.kb.cert.org/vuls/id/800113 // If your ISP provided one or more IP addresses for stable // nameservers, you probably want to use them as forwarders. // Uncomment the following block, and insert the addresses replacing // the all-0's placeholder. // forwarders { // 0.0.0.0; // }; auth-nxdomain no; # conform to RFC1035 listen-on-v6 { any; }; };
sudo vim /etc/default/bind9
# run resolvconf?
RESOLVCONF=yes # startup options for the server OPTIONS="-u bind -t /var/lib/named"
sudo mkdir -p /var/lib/named/etc
sudo mkdir /var/lib/named/dev sudo mkdir -p /var/lib/named/var/cache/bind sudo mkdir -p /var/lib/named/var/run/bind/run
sudo mv /etc/bind /var/lib/named/etc
sudo ln -s /var/lib/named/etc/bind /etc/bind
sudo mknod /var/lib/named/dev/null c 1 3
sudo mknod /var/lib/named/dev/random c 1 8 sudo chmod 666 /var/lib/named/dev/null /var/lib/named/dev/random sudo chown -R bind:bind /var/lib/named/var/* sudo chown -R bind:bind /var/lib/named/etc/bind
sudo vim /etc/init.d/sysklogd
....
else # By default, run syslogd under the syslog user SYSLOGD="${SYSLOGD} -u ${USER}" fi ....
...
else # By default, run syslogd under the syslog user SYSLOGD="${SYSLOGD} -u ${USER} -a /var/lib/named/dev/log" fi ...
sudo /etc/init.d/sysklogd restart
sudo /etc/init.d/apparmor stop
# vim:syntax=apparmor
# Last Modified: Fri Jun 1 16:43:22 2007 #include <tunables/global> /usr/sbin/named { #include <abstractions/base> #include <abstractions/nameservice> capability net_bind_service, capability setgid, capability setuid, capability sys_chroot, #capability sys_resource, # /etc/bind should be read-only for bind # /var/lib/bind is for dynamically updated zone (and journal) files. # /var/cache/bind is for slave/stub data, since we're not the origin of it. # See /usr/share/doc/bind9/README.Debian.gz #/etc/bind/** r, /var/lib/named/etc/bind/** r, /var/lib/bind/** rw, /var/lib/bind/ rw, /var/cache/bind/** rw, /var/cache/bind/ rw, # gssapi /etc/krb5.keytab kr, /etc/bind/krb5.keytab kr, # dnscvsutil package /var/lib/dnscvsutil/compiled/** rw, /proc/net/if_inet6 r, /proc/*/net/if_inet6 r, /usr/sbin/named mr, #/var/run/bind/run/named.pid w, /var/lib/named/var/run/bind/run/named.pid w, # support for resolvconf #/var/run/bind/named.options r, /var/lib/named/var/run/bind/named.options r, /var/lib/named/dev/null rw, /var/lib/named/dev/random rw, # some people like to put logs in /var/log/named/ instead of having # syslog do the heavy lifting. /var/log/named/** rw, /var/log/named/ rw, }
sudo/etc/init.d/apparmor start
sudo/etc/init.d/bind9 start
sudo /etc/init.d/networking restart
P.S. Не забываем курить логи (cat /var/log/syslog) |
Последнее обновление 27.05.10 15:49 |