Skip site navigation (1)Skip section navigation (2)
Date:      Wed, 27 Apr 2005 08:56:47 +1000 (EST)
From:      Neo-Vortex <root@Neo-Vortex.net>
To:        GiZmen <gizmen@zion.vsip.pl>
Cc:        freebsd-net@freebsd.org
Subject:   Re: Changing packets ttl's
Message-ID:  <20050427085629.S3686@Neo-Vortex.net>
In-Reply-To: <20050426225230.GA61019@procent.t2.ds.pwr.wroc.pl>
References:  <20050426225230.GA61019@procent.t2.ds.pwr.wroc.pl>

next in thread | previous in thread | raw e-mail | index | archive | help
Do you mean the sysctl net.inet.ip.ttl?

~Neo-Vortex

On Wed, 27 Apr 2005, GiZmen wrote:

> Hi,
>
> I am searching how to change packet ttl. I am runing a freebsd 5.4
> gateway and i would like to change ttl of any packets that are
> going out from my internal interface. My goal is to change ttl to 1
> so the last hop is the next host in my internal network.
> I want to prevent people to do small NAT in my network. I know that
> changing ttl's is easy to bypass but not for normal user :)
> I am using pf as my packet filter but there is no option to change
> ttls to smaler value. Please help me with this problem.
> Big thanks
>
> --
> Best Regards:
> 		GiZmen
>
> UNIX is user-friendly; it's just picky about its friends
> UNIX is simple; it just takes a genius to understand its simplicity
> _______________________________________________
> freebsd-net@freebsd.org mailing list
> http://lists.freebsd.org/mailman/listinfo/freebsd-net
> To unsubscribe, send any mail to "freebsd-net-unsubscribe@freebsd.org"
>



Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20050427085629.S3686>