447 Networking: Difference between revisions

447 Networking (view source)

Revision as of 11:41, 5 January 2016

73 bytes added , 5 January 2016

m

→‎DNS: removed babbage reference and improved wording and internal links.

Kraptv

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 == DNS ==
-boole runs bind as a nameserver and unbound as a caching resolver, they run on different ip's, it has to be done this way to make DNSSEC work.
+[[Boole]] runs BIND as a nameserver and unbound as a caching resolver, they run on different IP addresses, it has to be done this way to make DNSSEC work.
-The dhcp server pokes hostnames that the dhcp clients send it into dns under '''dhcp.lan.london.hackspace.org.uk'''. The default search path is '''lan.london.hackspace.org.uk''', so if you want to lookup a hostname for a machine that is a dhcp client, e.g. '''fish''' then you'd lookup '''fish.dhcp''', this avoids problems with dhcp clients asking to be '''wpad''' etc...
+The DHCP server registers hostnames that the DHCP clients send it into dns under '''dhcp.lan.london.hackspace.org.uk'''. The default search path is '''lan.london.hackspace.org.uk''', so if a client wants to lookup a hostname for a machine that is a DHCP client, e.g. '''fish''' then it would lookup '''fish.dhcp''', this configuration avoids problems with DHCP clients asking to be '''wpad''' etc...
-machines with static ip's are just under '''lan.london.hackspace.org.uk''', so you can go straight to '''babbage''', '''tesla''', etc...
+Machines with static IP addresses use the subdomain '''lan.london.hackspace.org.uk''', so you can go straight to hosts '''chomsky''', '''tesla''', etc...
-to flush the unbound cache run (as root, on boole):
+To flush the unbound cache run (with root privileges, on [[boole]]):
   unbound-control flush_zone dhcp.lan.london.hackspace.org.uk