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Article #102Re: Hoe maak ik 192.168.0.1 zonder netwerkkaart ??
From: Henri Karrenbeld
Date: Wed, 23 Feb 2000 00:00
Date: Wed, 23 Feb 2000 00:00
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qhpxvr@abqr0911.n2000.ay.invalid (Arjan Drieman) writes:
>On Tue, 22 Feb 2000 22:54:36 GMT, mike <a@b.c> wrote:
>>>>En ook geen lo, localhost of 127.0.0.1 in het script ??
>>>
>>>Ja, evt. tegen ip spoofing.
>>
>>2.2 kernels droppen toch automatisch de pakketten die van buitenaf
>>komen maar toch source 127.0.0.0/8 hebben?
>Alleen als je source address verification gebruikt. Je kan bijvoorbeeld
>dit doen:
>if [ -e /proc/sys/net/ipv4/conf/all/rp_filter ]; then
> echo -n "Setting up IP spoofing protection with rp_filter..."
> for f in /proc/sys/net/ipv4/conf/*/rp_filter; do
> echo 1 > $f
> done
> echo "done."
>else
> echo -n "Setting up IP spoofing protection with ipchains..."
> ipchains -A input -i ! lo -s 127.0.0.0/8 -j DENY
> echo "done."
>fi
Als je ip-forwarding aan hebt staan (bijv. als je ip masquerading draait)
dan staat die rp_filter feature sowieso al aan (dat staat ook ergens in de
documentatie).
$) H
--
Hardware, n.: The parts of a computer system that can be kicked. -- nn.
There are no thoughts too radical for a people to view; there are just some
people too radical to control the thoughts of others --
JMS - Great Maker of Babylon 5.
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X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: 102510,6fed36878d04a98c X-Google-Attributes: gid102510,public X-Google-Thread: 1049e4,6fed36878d04a98c X-Google-Attributes: gid1049e4,public From: ishtar@cal044202.student.utwente.nl (Henri Karrenbeld) Subject: Re: Hoe maak ik 192.168.0.1 zonder netwerkkaart ?? Date: 2000/02/23 Message-ID: <890otm$3hv$1@dinkel.civ.utwente.nl> X-Deja-AN: 588834146 References: <38B24B7A.3DB1C3A@casema.net> <slrn8b4jeo.l6m.qhpxvr@node0911.a2000.nl> <38B25614.58545E9A@casema.net> <slrn8b59h4.mbj.qhpxvr@node0911.a2000.nl> <38b31351.23260926@news.wxs.nl> <slrn8b6h90.qbj.qhpxvr@node0911.a2000.nl> Organization: Monolith BBS! X-Server-Date: 23 Feb 2000 13:56:06 GMT Newsgroups: nl.comp.os.linux.netwerken,casema.linux