Unix and Linux Stack Exchange
Unix and Linux Stack Exchange

Questions tagged [dyndns]

15 questions
26
votes
2 answers

How does dig find my WAN-IP-address? What is "myip.opendns.com" doing?

I needed to automatically get my own WAN-IP-address from my router. I found this question and, among others, a solution with dig was proposed: dig +short myip.opendns.com @resolver1.opendns.com It works perfectly, but now I want to understand what…
Beate Bier
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7
votes
5 answers

Systemd-networkd: Run script after DHCP client aqcuires new address

I am on ubuntu 18.04 server. I need to run a script that updates an IP address on CloudFlare (kind of DynDNS script). In previous versions I could do this with a DHCLIENT exit hooks for the interface enp1s0. However, systemd now uses their own…
alexander
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6
votes
4 answers

Configure debian ddclient with dyndns noip.com

I'm having trouble to configure debian jessie as noip.com updater. My config looks like this: # Configuration file for ddclient generated by debconf # # /etc/ddclient.conf use=web web=checkip.dyndns.com web-skip='Current IP Address:…
nali
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4
votes
3 answers

DynDNS alternative for SSH?

I have an server that has a dynamic IP address and is accessible over SSH. On the server, a script uploads a text file containing the server's public IP address to a web location whenever that address changes. How can I connect from to the server…
LanceBaynes
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2
votes
2 answers

OpenWrt ssh host identification with dyndns

If i ssh to my remote OpenWrt router ["via DynDNS"] I get the message @ WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED! @ Ok, i delete the old line in ~/.ssh/known_hosts, add the new one But my password wasn't accepted (even though I…
LanceBaynes
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1
vote
0 answers

DSM DDNS Custom Variables IPv6

I can't figure out the naming rule for IPv6 in the DSM DDNS settings. I want to set up a DDNS with my Strato account. The problem is that the Strato preset only allows IPv4 forwarding: But I need only IPv6. So I figured I could simply create my own…
Walter Lars Lee
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1
vote
0 answers

How to override DHCP client identifier

I'm running a DHCP/DNS server with dynamic DNS on Debian 9 (Stretch) How do I override a clients DHCP identifier and place in my own custom value? E.g Android phones on the network identify themselves as androidxxxxx and there are a few of them on…
Aditya K
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1
vote
1 answer

dyndns on webserver causes router to disconnect

I have a small webserver configured on my Raspberry Pi (Debian, Jessie). Alongside the services Apache, MySQL, PHP etc. there is a Dynamic DNS client 'ddclient' running as daemon to check the public ip to my domain every 5 minutes. The service works…
pixelmusik
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1
vote
1 answer

SSH strange login behavior - maybe man in the middle attack

I have a server in my home and I am using dynamic dns and has been so for over 10 years without issues. Logging in using ssh from outside has been no problem but I did disable the port on my router few months ago as I don't use it that much. So…
Zorro
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1
vote
1 answer

DDNS unix device in 10.x network

My Internet provider uses NAT network to connect users. So, when I connect to the Internet, I got an 10.x.x.x IP address. Is there any way to access Unix device in such type of network? DDNS needs an external IP to get work, and I can't get it, even…
kot-6eremot
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1
vote
2 answers

How can I update my dynamic DNS under OpenWRT?

I have an OpenWrt 10.03, and I need to update my dynamic DNS account (e.g., OpenDNS or DYNDNS) when my IP changes. How can I do this from the terminal?
LanceBaynes
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1
vote
1 answer

Redirection to services in NAT or Bridged Network only with one subdomain

I have one subdomain (dyndns). xyz.dyndns.com (f.e.) Here my question begins: I have a server for virtualisation. On the server I have multiple VMs where different web-services are available through https. My router is configured with…
x4k3p
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0
votes
1 answer

(How) Can I configure a fallback for DDClient?

I want to use the Fritzbox update feature of DDClient, but also want to have a fallback to a public web server, if that does not work for some reason (e.g. cause someone just switched to another router or whatever…). As far as I known, just…
rugk
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0
votes
0 answers

DDNS ssh gets stuck after “SSH2_MSG_KEXINIT sent” message

I am trying to set up ssh logging from across the internet. I have a DDNS noip.com domain which I can successfully ping and it reaches my host. The DDNS is configured straight on my router and the relevant ports have been forwarded (port 22). When I…
s5s
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0
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0 answers

Faulty inadyn-mt.conf

I am having trouble with the inadyn-mt.conf file. A unit file: [Unit] Description=Internet Dynamic DNS…
milkpirate
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