Configure named in cache-only mode on Slackware

1. Goal

Use BIND as a local resolver with cache, forwarders, and basic DNS checks.

2. Files and components involved

/etc/named.conf
/etc/rc.d/rc.bind
/var/named

3. Operational flow

chmod +x /etc/rc.d/rc.bind
vi /etc/named.conf
configure forwarders
/etc/rc.d/rc.bind start

4. Operational verification

named-checkconf /etc/named.conf
dig @127.0.0.1 slackware.com
ss -lntup
grep :53

5. Practical notes

After every restart, check listening sockets, logs, permissions, and the users accessing the service.

Before exposing the service in production, test access from a validation host and check any ACLs or firewall rules.

Quick checklist

[ ] Backup or copy of the existing configuration completed
[ ] Files and commands updated as expected
[ ] Local test completed successfully
[ ] Logs or final output verified
[ ] Rollback procedure documented

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