looking at manual page for rc.conf
cswiger at mac.com
Mon May 18 20:51:40 UTC 2015
On May 18, 2015, at 1:37 PM, Jeffry Killen <jekillen at prodigy.net> wrote:
> I am looking at the manual page for rc.conf and am wondering
> how I would specify default router address when using DHCP?
Normally one doesn't need to do so; DHCP is supposed to configure that for you.
> I don't see any further explicit elucidations beyond the text quoted below.
> text from man page:
> It is possible to bring up an interface with DHCP by adding ``DHCP'' to the ifconfig_<interface> variable.
> For instance, to initialize the ed0 device via DHCP, it is possible to use something like:
> actually, I have
> Is the router address something that DHCP will figure out?
> This interface will be for connection to internet via DSL modem
> ISP is CenturyLink.
> or alternately, suppose I want to assign a static address to interface
> that would connect to internet via DSL modem.
> ifconfig_em0="inet 192.168.0.4 netmask 255.255.255.0"
> When the router is at 192.168.0.1, how would this be specified.
Add: defaultrouter="192.168.0.1" ...to /etc/rc.conf.
> I have also looked at ifconfig(8) and have found anything.
ifconfig(8) sets up an interface; route(8) manages routing.
> I have also had the kernel complain via a shell script set to
> run in
> I am also concerned about setting up tcp wrappers with inetd
> to forestal possible attempts to access via telnet, ssh, ftp and
> even MySql server (as I have seen frequently when I had static
> ip address service).
tcp wrappers typically only affects services launched by inetd, which
doesn't normally include SSH or MySQLd.
> This I have done when I did have static ip
> service. But with fire wall in DSL modem and DHCP configuration
> is it useful and advantageous?
Yes, even a local per-host firewall improves security by a useful amount.
More information about the freebsd-questions