Re: server name

2005-02-21 Thread Eilko Bos
Hi,

From the keyboard of michael Christie, written on Mon, Feb 21, 2005 at 
09:31:23PM +1100:
 I see what you mean, that may not help me as my host name is an ip
 address running in a jail. There for my host name at the command prompt
 is 192#  if I change the ip to a name in the /etc/rc.conf  I do not
 think the jail will run.

A hostname is not an IP-address.
For a jail, the hostname is given in the commandline. You should change that
for in case you have to restart the jail. Also, you should update /etc/hosts
and /etc/rc.conf to refect the changes. This might be needed for e.g. running
services like Apache and MySQL.

Keep in mind, from man(8) jail:

 NOTE: If you plan to allow untrusted users to have root access inside the
 jail, you may wish to consider setting the
 security.jail.set_hostname_allowed sysctl variable to 0.  Please see the
 management discussion later in this document as to why this may be a good
 idea.  If you do decide to set this variable, it must be set before
 starting any jails, and once each boot.


Grtz,
--
Eilko.
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Re: login permission over scp

2005-02-17 Thread Eilko Bos
Hi,

From the keyboard of  ??, written on Thu, Feb 17, 2005 at 
11:42:11AM +0300:
 i need only secure copy, but must give full user shell to user [EMAIL 
 PROTECTED]
 on host B. if attaker take control of A, he can shell to [EMAIL PROTECTED]
 
 setting /sbin/nologin to shell [EMAIL PROTECTED] scp not work
 
 what can i do to reduce permission [EMAIL PROTECTED]

You can use rssh from the ports:
$ cat /usr/ports/shells/rssh/pkg-descr 
rssh is a Restricted Secure SHell that allow only the use of sftp or scp.
It could be use when you need an account (and a valid shell) in order to
execute sftp or scp but when you don't want to give the possibility to log
in to this user.

WWW: http://www.pizzashack.org/rssh/index.shtml

- enigmatyc
[EMAIL PROTECTED]
$


Grtz,
--
Eilko.
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Re: Security for webserver behind router?

2005-01-20 Thread Eilko Bos
From the keyboard of Ted Mittelstaedt, written on Wed, Jan 19, 2005 at 
11:25:00PM -0800:
  I am running Apache 1.3.33, as you suggest I should. You say
  as long as
  Apache is secure; what should I do to be sure that Apache is secure?
 
 
 Nothing, you nor nobody can do this.  All you can do is subscribe to
 the Apache mailing list and if someone discovers a hole in Apache
 at some point in the future, then you can immediately patch your
 installation with the inevitable patch that will shortly follow.

Don't forget that Apache's nature is offering content. What about unsafe
PHP/CGI-scripts? You can secure Apache, but that doesn't help when your
webapplication is a big hole to your system.

Just my 0.2$c

Grtz,
--
Eilko.
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Re: how to get it online

2004-12-22 Thread Eilko Bos
Hi,

From the keyboard of Bagus, written on Wed, Dec 22, 2004 at 10:20:21AM -0600:
 ifconfig
 fxp0: flags =8802 bradcast, simplex, multicast mtu 1500
  options =8VLAN_MTU
  ether 00:a0:c9:e6:11:b1
  media: Ethernet autoselect (100baseTX full-duplex)
  status:active

You don't appear to have an IP-address assigned. Most probably the DHCP-
negotiation failed. You don't tell who your ISP is. DHCP-configurations may
differ from ISP to ISP. You will have to configure your /etc/dhclient.conf I
guess, e.g. with (amongst others) send host-name your-hostname-known-by-ISP.
(man 5 dhclient.conf). After configuring it, retyry DHCP:

# dhclient fxp0

 ping freebsd.org
 ping: cannot resolve freebsd.org: Host name lookup failure.

Right. If DHCP from your cable ISP failes, most probably your /etc/resolve.conf
will not be modified/added. And therefor lookups  will fail.

 As an aside, I'm stunned this isn't a FAQ or part of the freebsd manual:
 How to get your computer online. Really I'd rather not be posting this
 question to a mailing list. It seems so basic, yet I can't find an answer
 out there. If anyone has any references, I'd appreciate it.

http://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/config-network-setup.html

Of course, since DHCP configuration may differ from ISP to ISP, I guess it is
too much work to add all those to the handbook. Maybe search engines can point
you to a proper references. Or, if you name your ISP on this list, someone here
might help you.

Cheerz,
--
Eilko Bos.
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