Questions tagged [ddns]
104 questions
1
vote
1 answer
DDNS client for Windows
I need to manually update BIND DNS from a Windows server. The network team has given my IP address permissions to write to DNS. I'm having trouble finding a good client. I see that nsupdate is a good client for Linux. Searching for "nsupdate for…

Elijah W. Gagne
- 155
- 6
1
vote
1 answer
DDNS from Windows/BIND with DHCP keys
Background: We plan to create a SQL AlwaysOn Availability Group cluster across multiple subnets. Therefore we're going to need the Windows 2008 R2 servers in this cluster to be able to update DNS dynamically (for fail-over situations). We run BIND…

Elijah W. Gagne
- 155
- 6
1
vote
0 answers
Trying to get an SVN running on a VM using a bridged connection and accessed from WAN using a DDNS
I am trying to get an SVN to run from a Windows 8 VM and accessed from a distant computer via WAN.
I am using a VMWare Workstation 9 for the VM and the host is Windos 8 and the guest is Windows 8 also, I am using VisualSVN for the server and NO-IP…

Itay Weiss
- 133
- 5
1
vote
2 answers
WinServer 2008R2, Two NIC's, forcing an app to use one of them
Short form question: Is there a way to tell an app to use the secondary NIC as a route even if it has a higher metric?
Long form question & explanation:
I have a Windows Server 2008R2 with two NIC's, each one connected to a different ISP's…

Obi Juan Canoli
- 13
- 2
1
vote
0 answers
mikrotik script is not run through GUI or Schedule
I get a problem that i have a one line script as bellow:
/tool fetch url="https://......"
When i run this script in winbox with "Run Script" button it does not work and after i put it in scheduler also it does not work ( The url is not called…

Salar
- 142
- 8
1
vote
1 answer
DHCP Server Not Registering PTR Records - Multiple DHCP Servers
I have a DHCP server configured to always dynamically update DNS records.
The DNS server is configured to allow both secure and insecure updates (I know it's not secure, but this is an internal-only network, no internet connection).
Both are Windows…

nepdev
- 391
- 1
- 7
- 21
1
vote
1 answer
Is it possible to have both static and a dynamic A record created for the same host on an internal DNS server?
I am working on a case study related to risks from insecure dynamic DNS updates. Suppose there is an internal DNS configured that has a mix of static and dynamically created addresses. Consider a Windows AD integrated DNS environment.
I need some…

Impossible
- 11
- 2
1
vote
1 answer
Unable to add forward map SERVFAIL/REFUSED DDNS
I am using bind9 on a primary dns server with two secondary dns servers in a master/slave relationship. I am attempting to implement DDNS but seem to be running into a problem when it comes to adding a forward map, I get the error
Unable to add…

lb-99
- 13
- 1
- 4
1
vote
0 answers
How to set up dynamic DNS for 'host' in isc dhcpd
I have set up a couple of subnets in my network, and in one of these subnets I'm setting up hosts like this:
subnet 10.0.0.0 netmask 255.255.255.0 {
option ntp-servers 10.0.0.1;
option time-servers 10.0.0.1;
authoritative;
allow…

Henk van den Toorn
- 11
- 1
1
vote
0 answers
BIND and DDNS updates, for Let's Encrypt certs
I need a TLS cert for Exim and not a website. For people who do not use webserver, Let's Encrypt provides certs via so-called DNS-01 challenge. It's simple really, a hook script dynamically updates BIND's zone with a TXT challenge RR which is then…

LetMeSOThat4U
- 1,371
- 2
- 17
- 35
1
vote
2 answers
DHCP DDNS not working for Linux clients
This is the same problem asked here but there is no indication it was ever resolved for Eddie. Plus, I have already looked at the various answers and tried what was suggested without success.
I have a Linux box running a DHCP service (V3.0.7) and…

John Gardeniers
- 27,458
- 12
- 55
- 109
0
votes
1 answer
Avoid local communication routed outside local network when using public domains
i have set up a server running Nextcloud and some other tools.
To be able to access it from outside, i've already set-up DDNS and a DNS Entry for my domain nextcloud.mydomain.com referring to the DDNS, which works perfectly.
The problem is, when i…

metinkale38
- 103
- 3
0
votes
1 answer
VPN Tunneling through Multiple NAT environment
I currently building a DIY surveillance system based off of a QNAP NAS. The NAS will store the data, control the cameras, and act as a VPN Server for external access.
I've managed to get all the the internal set-up functioning, but cannot access…
0
votes
1 answer
How to determine secured ipv6 addr and temporary ipv6 addr? Is it secure to use secured ipv6 addr for DDNS and internet aceess?
I'm setting a linux kernel router, how to determine secured ipv6 addr and temporary ipv6 addr?When I run ifconfig on macOS, it will output like this:
inet6 fe80::0000:0000:0000:3e7d%en0 prefixlen 64 secured scopeid 0x8
inet6…

maP1E bluE
- 163
- 8
0
votes
1 answer
Router (Synology) translates external IP address to internal
My previous CISCO router (from my ISP) has been changed to Bridged mode, because I wanted to use mine (Synology). Afterwards the internet connection and the subnet worked fine, but my (DDNS) FQDN (from NO-IP.com) got resolved wrongly:
Desired…

StrictLine
- 11
- 1