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VNIMANIE: Izpolzvaite forumite na saita za da zadadete vashite vuprosi.
| Vupros |
| Ot: dnsmaster |
Data: 10/22/2003 |
Imam nujda ot pomosht pri configvane na DNS server za
obratno preobrazuvane - ot IP adres v DNS ime.
Znachi DNS servera otgovarq za domain. S preobrazuvaneto ot
DNS kum IP nqma nikakuv problem, no obratnoto preobrazuvane
ne raboti. Problema ne e v DNS servera, zashtoto pri
testvane s dig i nslookup nqma problem. Chrez logika si
mislq che pri obratnoto preobrazuvane, root DNS serverite
trqbva da znaqt za dadena mreja kum koi DNS da se oburnqt za
obraten resolv i t.n. S dve dumi iskam da vi popitam, kakvo
mi e neobhodimo, osven configuriran DNS, za da se izvurshi
preobrazuvane ot IP v ime. Shte se radvam nqkoi da mi
razqsni kak stoqt neshtata po tozi vupros!!!
|
| Otgovor #1 |
| Ot: Djimbo (kvv (a) atsoftconsult-bg__dot__com) |
Data: 10/22/2003 |
Nishto drugo prosto pravilno confignat DNS server
Dano uspeq da ti pomogna:
1 v named.conf
zone "0.168.192.in-addr.arpa" {
type master;
file "0.168.192.in-addr.arpa.zone";
};
zone "local.network" {
type master;
file "local.network.zone";
};
2 v path na named
touch 0.168.192.in-addr.arpa.zone
touch local.network.zone
3 Eto ti i sadarjanieto
local.network.zone
======================================
$TTL 86400
@ IN SOA @ admin@local.network (
11 ; serial
28800 ; refresh
7200 ; retry
604800 ; expire
86400 ; ttl
)
@ IN NS dns
@ IN NS dns21
@ IN A 192.168.0.1
@ IN A 192.168.0.2
dns IN A 192.168.0.1
dns IN A 192.168.0.2
des2 IN A 192.168.0.3
===================
i taka natatak
====================
0.168.192.in-addr.arpa.zone
$TTL 86400
@ IN SOA @ admin@local.network (
13 ; serial
28800 ; refresh
7200 ; retry
604800 ; expire
86400 ; ttk
)
@ IN NS dns.local.network.
@ IN NS dns2.local.network.
1 IN PTR dns.local.network.
2 IN PTR dns2.local.network.
3 IN PTR des2.local.network.
============================
i taka na tatak za vsichki hostove koito imash
3. Sega restartirai (s "ndc restart")
4. Test
host 192.168.0.2
2.0.168.192.in-addr.arpa domain name pointer
dns.local.network.
dig -x 192.168.0.2 ili za da poluchish tsialata informatsiia:
dig -x 192.168.0 AXFR
Ako ima problemi mi pishi na i-meila shte ti pomogna s kakvoto
moga
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| Otgovor #2 |
| Ot: dnsmaster |
Data: 10/22/2003 |
Blagodarq ti. Kogato testvam DNS-a nqma problem, toi si
pravi obratnoto preobrazuvane. Daje kogato zadan tozi DNS
server na nqkoi ot mashinite v lan-a i puskam traceroute toi
si resolva IP-to kum ime. Drugite DNS serveri obache v sveta
ne go pravqt. Inache ot nosno configuraciqta na DNS-a za
obraten resolving vsichko e fred. Stava duma za realni IP
adresi i domain v Internet. Pri obraten resolving e logichno
che DNS--ite trqbva da znaqt za koq mreja koi DNS server
otgovarq. Tova e edinstveniqt logicheski nachin da se
preobrazuva. Kak obache moga da postigna tova. Kak da
nakaram prokletite DNS-i da se obrushtat kum moqt DNS server
kogato vidqt takova IP za da go preobrazuvat v ime!!!
|
| Otgovor #4 |
| Ot: Djimbo (kvv__at__atsoftconsult-bg__dot__com) |
Data: 10/23/2003 |
Pich g-n N. Antonov ti e otgovoril mnogo kratko,tochno i
qsno.
Sorry no ne sam ti razbral vaprosa tochno.
|
| Otgovor #5 |
| Ot: korio |
Data: 10/23/2003 |
Wsushnost wuprosniq isp moje i da ti naprawi classless
reverse delegation pri polojenie, che si wzel po-malko ot 1
class C mreja i e sgoworchiw :)
|
| Otgovor #6 |
| Ot: dnsmaster |
Data: 10/23/2003 |
Blagodarq vi. Shte govorq s ISP-to. Mrejata e s 32 Ip-ta i
se nadqvam che ISP-to shte mi napravi taka che moqt DNS da
otgovarq za obratniqt resolving na IP-tata. Blagodarq oshte
vednuj!!!!
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