I need help to set up internet sharing in linux. Post: 22781

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Top Forums UNIX for Dummies Questions & Answers I need help to set up internet sharing in linux. Post 22781 by Nazo on Monday 10th of June 2002 07:06:36 PM

06-10-2002

Registered User

I need help to set up internet sharing in linux.

Ok, I'm kind of in between newbie and experienced somewhere. I'm an advanced computer user but only have a little experience with linux and a lot of problems with it. Currently I'm using Linux-Mandrake 8.0 (I know, I know, but let's not go into the many reasons why it's not even close to the best distro.) I tried using the little ICS setup wizard or whatever you would call it and it didn't work. The client would get an IP that was correctly assigned, but it couldn't get DNS resolutions or connect to any addresses.

Basically what I want to do is get help aimed more at a newbie on how to properly set up the normal way of ICS in linux using IP tables and whatever. I don't need the linux box to act as a firewall really because, for reasons that are too complicated to explain all out right now, the linux box is actually going through another proxy, so I have two network cards set up in it. I set up the one going to the LAN and the proxy to use 192.168.0.2 and the one that this computer would be connecting to is 192.168.1.1 so that the os would know which one to use for what.

I know this all sounds a little crazy, but, please, bear with me.

Basically, I have a computer sharing the internet connection on the LAN using the IP address 192.168.0.1 and there are two other computers on that LAN which connect through it. I would like to set up this linux box on 192.168.0.2 or any other IP address in that general range and connect my computer through it via that two network card method. This way I have a linux server on the lan among other things. (Don't worry, there's more than one reason I'm trying to do this, just too many.)

Also, I would really like to be able to set it up as a DNS server as well and to be able to manually refresh the DNS tables. I have problems every now and then with DNS and using the hosts file on my windows computer just isn't working for a few sites. Besides, presumably internet based things will go a little faster when they don't have to wait for a reply from my ISP to get the IP address.

Nazo

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LEARN ABOUT CENTOS

unbound-streamtcp

unbound-streamtcp(1)						      unbound						      unbound-streamtcp(1)

NAME

       unbound-streamtcp - unbound DNS lookup utility

SYNOPSIS

       unbound-streamtcp [-unsh] [-f ipaddr[@port]] name type class

DESCRIPTION

       unbound-streamtcp sends a DNS Query of the given type and class for the given name to the DNS server over TCP and displays the response.

       If  the	server to query is not given using the -f option then localhost (127.0.0.1) is used. More queries can be given on one commandline,
       they are resolved in sequence.

       The available options are:

       name   This name is resolved (looked up in the DNS).

       type   Specify the type of data to lookup.

       class  Specify the class to lookup for.

       -u     Use UDP instead of TCP. No retries are attempted.

       -n     Do not wait for the answer.

       -s     Use SSL.

       -h     Print program usage.

       -f ipaddr[@port]
	      Specify the server to send the queries to. If not specified localhost (127.0.0.1) is used.

EXAMPLES

       Some examples of use.

       $ unbound-streamtcp www.example.com A IN

       $ unbound-streamtcp -f 192.168.1.1 www.example.com SOA IN

       $ unbound-streamtcp -f 192.168.1.1@1234 153.1.168.192.in-addr.arpa. PTR IN

EXIT CODE

       The unbound-streamtcp program exits with status code 1 on error, 0 on no error.

AUTHOR

       This manual page was written by Tomas Hozza <thozza@redhat.com>.

NLnet Labs							   Mar 21, 2013 					      unbound-streamtcp(1)

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