Ports!!!
Mathias Körber
mathias at koerber.org
Tue Dec 5 05:06:16 UTC 2000
> Dear All,
>=20
> We have put our primary and secondary dns server behind=20
> firewall. We have put
> another secondary dns server outside firewall, server is running=20
> fine except
> their is no zone transfer with this (third secondary) is=20
> happening. We have
> allowed in the acl and opened up port 53. Please Advise.
It would help if you=20
a) had a look at your logs
b) if that doesn't help post the relevant logs here
Quick guess: You only opened TCP port 53. The secondary
also needs UDP/53 open for the serial# check.
>=20
> Shabir
> http://www.cyber.net.pk
>=20
>=20
>=20
>=20
>=20
>=20
>=20
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