Re: lug-bg: gnome-bg i bulgarizaciyata kato cyalo :)
- Subject: Re: lug-bg: gnome-bg i bulgarizaciyata kato cyalo :)
- From: stoev@xxxxxxxxxxxxxxxxx (Julian Stoev)
- Date: Wed, 20 Dec 2000 14:46:22 +0900
Bez da pretendiram za bezgreshnost, struva mi se, che triabva da
prochetesh pone eto tova:
http://www.linuxdoc.org/HOWTO/mini/IP-Subnetworking-6.html#ss6.1
Po-dolu pisha moite hipotetichni idei kym tebe. Moze da sa greshni,
moze da ne sa. Niamam opit s takiva konfiguracii i veroiatno shte
poluchish mnogo po-pravilni syveti.
On Tue, Dec 19, 2000 at 09:01:05PM +0200, stefan stefanov wrote:
|vuzlojiha mi da postroia slednata mreja s Linux Router project i debian
|s dns po sredata. obache imam problem
|
|znachi screened subnet architectutre e tova:
|
| telekoma 10.0.0.1
| |
| |
| 10.0.0.2 /255.0.0.0 (brcst 10.255.255.255)
|er)
| 217.5.130.1 /255.255.255.224 (brcst 217.5.130.31)
============================================================
=> 217.5.130.1 /255.255.255.0 (brcst 217.5.130.255)
| |
| |
| 217.5.130.2 /255.255.255.224 (brcst 217.5.130.31)
|ns)
============================================================
=> 217.5.130.2 /255.255.255.0 (brcst 217.5.130.255)
| 192.168.69.1 /255.255.255.0 (brcst 192.168.69.255)
| |
| |
| 192.168.69.2 /255.255.255.0 (brcst 192.168.69.255)
|ir) | |
| | |
|217.5.130.111 192.168.1.1 /255.255.255.0
|255.255.255.224 (brcst 192.168.1.1)
|(brcst 217.5.130.127)
| |
| HUB
| | |
| | |
| | |
|217.5.130.104--+ | http
|217.5.130.105----+ ftp
| . blah
| .
|
|
|er - external router s dva ethernetki routing tablicata e:
|
|217.5.130.0 0.0.0.0 255.255.255.224 eth1
|192.168.69.0 217.5.130.2 255.255.255.0 eth1
|10.0.0.0 0.0.0.0 255.0.0.0 eth0
|0.0.0.0 10.0.0.1 0.0.0.0 eth0
|
|i ako se opitam da dobavia 217.5.130.96 prez 192.168.69.2 i kazva
|NETWORK UNREACHABLE
Mi taka shte e. S tvoiata konfiguracia interfeisa eth1 na er moze da
obrabotva paketi samo za IP 217.5.130.1-217.5.130.30 (viz tablizata ot
linka)
Netmask Subnets Network B'cast MinIP MaxIP Hosts Total Hosts
--------------------------------------------------------------------------
224 8 0 31 1 30 30
32 63 33 62 30
64 95 65 94 30
96 127 97 126 30
128 159 129 158 30
160 191 161 190 30
192 223 193 222 30
224 255 225 254 30 240
Syshto taka mi se struva, che tova
192.168.69.0 217.5.130.2 255.255.255.0 eth1
ne samo e izlishno, no i vredno za er. Ot kyde na er shte ti se poiavi
paket za 192.168.69.0? Takiva paketi ne mogat da se motat toku-taka v
er. Ot er ti triabva da mozesh da ping-vash mrezata 217.5.130.0, no ne
i 192.168.69.0
Ako pitash mene mahni go, no ostavi po-dolu kakto e. Zashto dolu moze
da ti potriabva? Ami mozesh da reshish da si pravish razni vytreshni
domaini s ns. I DNS mashinata v takyv sluchai triabva da znae kakvo da
gi pravi takiva paketi.
Ako si maniak na tema sigurnost, mahni po-dolu
192.168.69.0 0.0.0.0 255.255.255.0 eth1
i napravi vytreshen DNS na druga mashina, primerno
192.168.1.1
|ns - proxi i dns s dve ethernetli i tablica:
|
|217.5.130.0 0.0.0.0 255.255.255.224 eth0
|217.5.130.96 192.168.69.2 255.255.255.224 eth1
|192.168.69.0 0.0.0.0 255.255.255.0 eth1
|0.0.0.0 217.5.130.1 0.0.0.0 eth0
|
|ir . internal router i masq za vutreshnata mreja - 3 ethernetki:
|
|217.5.130.96 0.0.0.0 255.255.255.224 eth1
|192.168.69.0 0.0.0.0 255.255.255.0 eth0
|192.168.1.0 0.0.0.0 255.255.255.0 eth2
|0.0.0.0 192.168.69.1 0.0.0.0 eth0
|
|-----------------------------------------------------------
|navsiakude e debian. vsichki ipchains sa na accept.
|
|kakvo e ne kato horata. zashto ot er ne moga da pingvam ir? kakvo da
|napravia?
|
|tova e purvoto neshto s linux na koeto se naviha tuka i sega kato gledat
|che ne shte da stava i gledat mnogo podozritelno :(
|nadiavam se da mojete da mi pomognete.
Nadiavam se da sym ti pomognal.
--JS
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