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DNS
Endi S. Dewata edited this page Sep 14, 2023
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To display DNS records on default DNS server:
$ nslookup -type=SRV _ldap._tcp.example.com $ dig SRV _ldap._tcp.example.com $ dig SRV _ldap._tcp.example.com +short
To display DNS records on local DNS server:
$ dig _kerberos.example.com TXT @localhost $ dig _ldap._tcp.example.com SRV @localhost
To restart DNSMasq:
$ systemctl restart dnsmasq.service
_acme-challenge.example.com. IN TXT "<value>"
_ldap._tcp.example.com. IN SRV 0 100 389 ldap.example.com.
See also LDAP.
_kerberos IN TXT EXAMPLE.COM _kerberos._tcp.EXAMPLE.COM. IN SRV 0 100 88 kdc.example.com. _kerberos._udp.EXAMPLE.COM. IN SRV 0 100 88 kdc.example.com. _kerberos-master._tcp.EXAMPLE.COM. IN SRV 0 100 88 kdc.example.com. _kerberos-master._udp.EXAMPLE.COM. IN SRV 0 100 88 kdc.example.com. _kerberos-adm._tcp.EXAMPLE.COM. IN SRV 0 100 749 kdc.example.com. _kerberos-adm._udp.EXAMPLE.COM. IN SRV 0 100 749 kdc.example.com. _kpasswd._tcp.EXAMPLE.COM. IN SRV 0 100 464 kdc.example.com. _kpasswd._udp.EXAMPLE.COM. IN SRV 0 100 464 kdc.example.com.
See also Kerberos.
gc._msdcs IN CNAME samba.example.com. _gc._tcp IN SRV 0 100 3268 samba.example.com. _ldap._tcp.gc._msdcs IN SRV 0 100 389 samba.example.com.
$ dnf -y install bind bind-utils
Prepare the log folder:
$ mkdir /var/log/named $ chown named.named /var/log/named
Edit /etc/named.conf as follows:
logging { channel default_file { file "/var/log/named/default.log" versions 3 size 5m; severity dynamic; print-time yes; }; channel general_file { file "/var/log/named/general.log" versions 3 size 5m; severity dynamic; print-time yes; }; channel database_file { file "/var/log/named/database.log" versions 3 size 5m; severity dynamic; print-time yes; }; channel security_file { file "/var/log/named/security.log" versions 3 size 5m; severity dynamic; print-time yes; }; channel config_file { file "/var/log/named/config.log" versions 3 size 5m; severity dynamic; print-time yes; }; channel resolver_file { file "/var/log/named/resolver.log" versions 3 size 5m; severity dynamic; print-time yes; }; channel xfer-in_file { file "/var/log/named/xfer-in.log" versions 3 size 5m; severity dynamic; print-time yes; }; channel xfer-out_file { file "/var/log/named/xfer-out.log" versions 3 size 5m; severity dynamic; print-time yes; }; channel notify_file { file "/var/log/named/notify.log" versions 3 size 5m; severity dynamic; print-time yes; }; channel client_file { file "/var/log/named/client.log" versions 3 size 5m; severity dynamic; print-time yes; }; channel unmatched_file { file "/var/log/named/unmatched.log" versions 3 size 5m; severity dynamic; print-time yes; }; channel queries_file { file "/var/log/named/queries.log" versions 3 size 5m; severity dynamic; print-time yes; }; channel network_file { file "/var/log/named/network.log" versions 3 size 5m; severity dynamic; print-time yes; }; channel update_file { file "/var/log/named/update.log" versions 3 size 5m; severity dynamic; print-time yes; }; channel dispatch_file { file "/var/log/named/dispatch.log" versions 3 size 5m; severity dynamic; print-time yes; }; channel dnssec_file { file "/var/log/named/dnssec.log" versions 3 size 5m; severity dynamic; print-time yes; }; channel lame-servers_file { file "/var/log/named/lame-servers.log" versions 3 size 5m; severity dynamic; print-time yes; }; category default { default_file; }; category general { general_file; }; category database { database_file; }; category security { security_file; }; category config { config_file; }; category resolver { resolver_file; }; category xfer-in { xfer-in_file; }; category xfer-out { xfer-out_file; }; category notify { notify_file; }; category client { client_file; }; category unmatched { unmatched_file; }; category queries { queries_file; }; category network { network_file; }; category update { update_file; }; category dispatch { dispatch_file; }; category dnssec { dnssec_file; }; category lame-servers { lame-servers_file; }; };
To start Bind:
$ systemctl start named
To stop Bind:
$ systemctl stop named
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