OpenBSD as router? Post: 21628

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Top Forums UNIX for Dummies Questions & Answers OpenBSD as router? Post 21628 by auswipe on Monday 20th of May 2002 04:10:42 PM

05-20-2002

Registered User

I have a LinkSys router, but right now I am only using it to provide NAT functionality. Right now, all my traffic from the LinkSys is sent from the LinkSys to my OpenBSD box acting as firewall/proxy server.

I also run natd on the OpenBSD machine to route traffic to my FreeBSD mailserver behind the OpenBSD box.

I prefer the OpenBSD box as it gives me fine grain control of what I let in/out/monitor. I am using OpenBSD 2.9 with two 3Com905 NICs and it works just fine.

I still use ZoneAlarm on my Win32 machines so that I can control what apps try to contact the outside world. ZoneAlarm is great!

There are a large number of tutorials on how to setup an OpenBSD box as a router.

Here is one such article that is well written:

http://mlowe.phpwebhosting.com/pages...e=openbsd.html

It's a little overkill for a home situation, but it keeps me entertained for hours on end. My wife just doesn't understand why it is cool that we have a mail server in the house. She just looks at me and smiles. Smilie

auswipe

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ost_ipv6host

ost::IPV6Host(3)					     Library Functions Manual						  ost::IPV6Host(3)

NAME

       ost::IPV6Host -

       This object is used to hold the actual and valid internet address of a specific host machine that will be accessed through a socket.

SYNOPSIS

       #include <address.h>

       Inherits ost::IPV6Address.

   Public Member Functions
       IPV6Host (const char *host=NULL)
	   Create a new host address for a specific internet host.
       IPV6Host (struct in6_addr addr)
	   Convert a system socket binary address such as may be returned through the accept() call or getsockpeer() into an internet host address
	   object.
       IPV6Host & operator&= (const IPV6Mask &mask)
	   Mask the internet host address object with a network mask address.

   Friends
       class __EXPORT IPV6Mask
       __EXPORT IPV6Host operator& (const IPV6Host &addr, const IPV6Mask &mask)

   Additional Inherited Members
Detailed Description
       This object is used to hold the actual and valid internet address of a specific host machine that will be accessed through a socket.

       Author:
	   David Sugar dyfet@ostel.com Address of a specific Internet host machine.

Constructor &; Destructor Documentation
   ost::IPV6Host::IPV6Host (const char *host = NULL)
       Create a new host address for a specific internet host. The internet host can be specified in a null terminated ASCII string and include
       either the physical host address or the DNS name of a host machine. Hence, an IPV6Host ('www.voxilla.org') can be directly declaired in
       this manner.

       Defaults to the IP address that represents the interface matching 'gethostname()'.

       Parameters:
	   host dns or physical address of an Internet host.

   ost::IPV6Host::IPV6Host (struct in6_addraddr)
       Convert a system socket binary address such as may be returned through the accept() call or getsockpeer() into an internet host address
       object. Parameters:
	   addr binary address of internet host.

Member Function Documentation
   IPV6Host& ost::IPV6Host::operator&= (const IPV6Mask &mask)
       Mask the internet host address object with a network mask address. This is commonly used to coerce an address by subnet.

Friends And Related Function Documentation
   friend class __EXPORT IPV6Mask [friend]
   __EXPORT IPV6Host operator& (const IPV6Host &addr, const IPV6Mask &mask) [friend]
Author
       Generated automatically by Doxygen for GNU CommonC++ from the source code.

GNU CommonC++							  Sat Jun 23 2012						  ost::IPV6Host(3)