DNS

All posts tagged DNS

DNS changes in Solaris11

Posted by Carlos Villabrille on November 4, 2016
Posted in: OS Categories, Solaris. Tagged: , , , , . Leave a Comment
To check current DNS config, run root@solaris1 :/root # svccfg -s svc:/network/dns/client setprop config/nameserver = net_address: (172.16.8.3 172.16.8.4) setprop config/search = astring: "example.com domain.company.com subdomain.company.com" setprop config/domain = astring: "domain.company.com" exit root@solaris1 :/root # From man resolv.conf we can check how to update any parameter like root@solaris1 :/root # svccfg -s svc:/network/dns/client \fR setprop config/search = astring: us.example.com Read more...

tunneling UDP port over SSH.

Posted by Carlos Villabrille on September 24, 2006
Posted in: Linux, OS Categories, Windows. Tagged: , , , , , , , , , . Leave a Comment
One of the most problematic port redirections are those redirecting UDP ports. Based on SSH protocol, there is no way to redirect UDP ports over SSH tunnels. Imagine you are behind a FW with very restrictive rules and your connection must use a Proxy witn no name resolutions outside of the intranet, there are no too much ways to access to an external DNS and surf internet, but there are some... Here it is explained a way how to redirect UDP ports with the help of socat (NetCat+++), and a SSH Read more...