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1
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0answers
11 views

Asterisk and FXO issue over DDNS

I've been experimenting with asteriskNow (freePBX/asterisk 11) as a sip server with DDNS. Everything seems to be working fine using externhost and such; calls to remote extensions to and from asterisk ...
0
votes
0answers
26 views

Using DDNS, SSH key stops working when IP changes [closed]

I am using DDNS to point to my home router. Using an RSA key allows me to SSH without my password. Problem is, as soon as my IP changes the system breaks and suddenly it starts asking for my password ...
-1
votes
0answers
13 views

Set up my own Dynamic DNS on a subdomain [migrated]

Im trying to set up a custom DDNS for my home network. I read an answer here that my hosting company server (bluehost) has all the tools needed to do this. digging into the DNS features it looks like ...
0
votes
0answers
49 views

Cisco 3560-X and Bind9 DDNS integration

Experts, In an infrastructure I'm currently working on, we have one Cisco 3560-X as a core switch and an internal Bind9 DNS server. The 3560 is acting as the DHCP server. BIND9 currently has names of ...
0
votes
1answer
37 views

Supporting writes on bind9 failover

I want to set up a redundant DNS based on Bind9, including failover for write operations. I have DHCP dynamically update DNS based on client hostnames, and I need this functionality to continue to ...
1
vote
1answer
395 views

Digital Ocean and dynamic DNS [closed]

We are migrating production website from AWS to Digital Ocean, and currently our main concern is static IP that DO provides for droplets. In case of droplet failure our static IP address would be ...
1
vote
1answer
118 views

Multi-homed forward zone DDNS updates always sent out the same network interface

I have a multi-homed server 'dhcp1' with network interfaces '192.168.10.151' (eth0) and '192.168.0.151' (eth1). The machine is attempting to use DDNS with a name server 'ns1' having network interfaces ...
1
vote
1answer
1k views

ISC DHCP server not dynamically updating DNS

I have an Ubuntu 14.04 server, running an isc_dhcp_server and the bind9 DNS server. Bind acts as a cache, and it maintains the .m domain (and zone) on my local network. The server's address is ...
3
votes
0answers
73 views

Some systems not attempting to register IPv6 reverse

I have a few Windows 2012 systems in my domain that are not dynamically updating their records in the ip6.arpa zone for their assigned IPv6 addresses. I have systems that are publishing their record ...
-1
votes
1answer
74 views

Public dynamic IP address [closed]

I have buy a domain from http://www.domain.com, but i have problem updating my newly given IP address from ISP every 14h. So i know that DynDNS have this service but i dont know if it work with ...
0
votes
2answers
1k views

DDNS, BIND and leftover .jnl files

I have configured BIND and ISC DHCPD to work together (using keys for updates). Now it's not that it does not work at all: forward maps etc are most often added. However, very often, for no apparent ...
1
vote
1answer
152 views

ddns correct setting for dhcpd.conf and ifcfg file with regards to hostname

I have recently set up dynamic dns with ISC dhcpd 4 and bind 9. Everything is working as it should except for a handful of hosts on the network which don't resolve. Upon investigating I found they had ...
-1
votes
1answer
680 views

Multiple subnets on isc-dhcp-server using ddns with bind9

On my network I have two subnets: 10.100.1.0/24 -> Wired/wireless 10.100.7.0/24 -> VPN Both subnets are served by isc-dhcp-server running on a Debian VM. This same VM runs bind9 for my DNS. ...
-2
votes
2answers
195 views

How to programmatically determine dynamic IP from behind a subnet [duplicate]

Sorry for the noob question, but I'm trying to hack together an ad hoc dynamic dns to reliably connect two machines in different geographic regions. My issue is every command I try (ifconfig, ...
1
vote
0answers
61 views

Multiple DNS mappings for a host via DDNS

I have a network in which DNS is automatically updated with a record for hosts when they get an address via DHCP (isc-dhcp-server & Bind configured with DDNS updates). The DHCP server is ...
-1
votes
1answer
290 views

UFW rules for specific host / dynamic dns

How can I setup UFW (Uncomplicated Firewall) to add rules for specific hosts? Eg. I want to allow SSH only from yourpc.no-ip.org?
0
votes
1answer
227 views

Dynamic dns service like dyndns.org [closed]

I am trying to setup dynamic dns service (for personal usage). Something similar to dynds.org. Things done so far: - delegated example.org to external dns server in ovh (my box) - setup bind to ...
2
votes
2answers
3k views

BIND issue: nsupdate unable to update reverse zone

I'm testing my ddns update config (for ISC DHCP hosted on same server) with nsupdate, and while the forward zone updates correctly: # nsupdate > server 127.0.0.1 > key dhcpupdate ...
0
votes
1answer
425 views

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 ...
1
vote
1answer
237 views

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 ...
2
votes
1answer
2k views

Whitelist rule for reject_rbl_client in Postfix?

Is there a way to add an exclusion/whitelist rule (or similar), which would work against reject_rbl_client behavior? I have a postfix service running, with following client restrictions: ...
0
votes
4answers
162 views

DDNS on subdomains

My website is hosted for me, but I have some other services (like dev sites) I keep on a local machine. With my old ISP (who gave a static IP as standard) I added these serviced to my subdomain. Now ...
1
vote
0answers
108 views

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 ...
1
vote
2answers
625 views

How can I make a sub-domain point to a dynamic IP and the rest of the domain as it is hosted on a server with static IP?

Basically, I have a domain mydomain.com hosted by a certain hosting company on its servers. I have access to the cpanel and can make changes a s per required. However, I want to host a dvr remote ...
2
votes
1answer
225 views

Automatic subdomain wildcard for DHCP-DDNS additions (windows server)

We're running a Windows Server 2008 AD serving as DHCP and DNS for more than 300 PC. When a PC desktop with the name "harry" connects to the network, the DHCP server gives it a lease, and adds ...
2
votes
2answers
4k views

setting up bind to work with nsupdate (SERVFAIL)

I'm trying to update my DNS-Server dynamically using nsupdate. Prerequisite I'm using Debian 6 on my DNS-Server and Debian 4 on my client. I created a public/private key pair using: dnssec-keygen ...
2
votes
1answer
2k views

DDNS Not Creating Journal (Dhcpd and Named)

* EDIT 1 * After monkeying with additional debug logging I see some log entries of interest. 27-Jul-2012 23:45:26.537 general: error: zone example.lan/IN/internal: journal rollforward failed: no more ...
1
vote
2answers
253 views

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 ...
1
vote
1answer
2k views

How to point a subdomain to local server with dynamic IP

I see there are many related questions to this one, however the answers given seem to be a little vague for a novice like me. I've got a dedicated LAMP stack running Fedora 16 locally on my home ...
0
votes
1answer
111 views

Is there a way to set ddns local to not forward to admin interface

I am running pfsense and would like to configure my site to work locally. I have a ddns setup working externally with no-ip. The problem is I'm trying to get my local setup to work. Locally I enter ...
6
votes
2answers
3k views

Using dd-wrt Dynamic DNS client with CloudFlare

I'm trying to configure Dynamic DNS client on my router with dd-wrt (v24-sp2) firmware so it would dynamically change IP address in one of the DNS records. Unfortunately I encountered a problem… Here ...
0
votes
3answers
268 views

TFS over Virtual Private Network (VPN) over P2P

[Note: I know this is a sloppy shot! I just want to cure my understanding about the P2P mesh.] Goal: I need to make my partner access the Team Foundation Server running on my local LAN, via the ...
0
votes
4answers
1k views

Resolving real IP address out of a dynamic dns address

I recently opened a dynamic dns user (at no-ip for that matter..) for my own personal needs and especially for ssh-ing my computer whenever I need to, without knowing it's static IP. My questions ...
3
votes
2answers
332 views

DNS delegation on same server with DDNS and second slave server

I have two servers running BIND, the first is setup as the master of two zones and the second as a slave for those zones. The zones are example.com and ddns.example.com. I have DDNS running and ...
2
votes
2answers
158 views

Windows Server 2008 DNS Issues with Internet Sites

We are having trouble with DNS. I recently switched internet providers and the problem followed us, at which point I realized our 2008 R2 Domain Controller's DDNS must be the problem. I switch to ...
1
vote
2answers
1k views

How do I prevent 'net ads join' from doing DDNS update?

I'm using 'net ads join' to add Linux servers to an AD domain. The servers are multi-homed, with a public IP on eth1 and a non-routable private background network on eth0 (in the 172.20 space, used ...
2
votes
2answers
797 views

Automatic subdomain wildcard for DHCP-DDNS additions?

I'm running dhcp-4.0.2 server and bind-9.6.1-P3. When a new Mac OSX DHCP client with the name "harry" connects to the network, the DHCP server gives it a lease, and adds appropriate A & PTR ...
0
votes
4answers
820 views

DDNS entry being replaced to the actual IP on an iptables chain

I have a rented dedicated server that I host certain services on. For security reasons I made a rule chain that will check against listed DDNS addresses and only connect to the connections that ...
0
votes
3answers
3k views

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 ...
1
vote
2answers
459 views

DDNS + DHCPD : Once lease runs out, does DNS entry get removed?

Once there are several hundred adhoc machines being brought up, each with a unique name. Their hostname gets added to the DNS. Then upon TTL expiring, will the DNS entry still be reachable, or if the ...
2
votes
4answers
1k views

tcpdump and dynamic dns update

So here we have an example of why google is scared.... asking google to find the specific recipe for "what is the tcpdump incantation to sniff / filter only for ddns update packets" winds up with a ...
1
vote
1answer
791 views

Vista, IIS7, Dynamic DNS & Netgear Issues

I'm running Windows Vista Business and installed IIS 7 (I changed no settings in it, everything is on default). I have a domain and have setup Dynamic DNS for it with the host. I use a program ...
3
votes
4answers
11k views

How Can I forward all requests from my GoDaddy domain name to my DynDns entry?

I bought my personal domain name at go-daddy. I already have my home network set up with DynDns and port forwarding so that I can host my personal website on home PC from my DynDns FQDN (eg. ...